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([2a01:4262:1ab:c:5af0:999b:bb78:7614]) by smtp.gmail.com with ESMTPSA id eu18-20020a170907299200b00a26e53be089sm9549873ejc.44.2024.01.03.05.28.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jan 2024 05:28:54 -0800 (PST) From: Emil Renner Berthing To: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org Cc: Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jisheng Zhang , Guo Ren , Fu Wei , Paul Walmsley , Palmer Dabbelt , Drew Fustini Subject: [PATCH v2 1/8] dt-bindings: pinctrl: Add thead,th1520-pinctrl bindings Date: Wed, 3 Jan 2024 14:28:38 +0100 Message-ID: <20240103132852.298964-2-emil.renner.berthing@canonical.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240103132852.298964-1-emil.renner.berthing@canonical.com> References: <20240103132852.298964-1-emil.renner.berthing@canonical.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add bindings for the pin controllers on the T-Head TH1520 RISC-V SoC. Signed-off-by: Emil Renner Berthing --- .../pinctrl/thead,th1520-pinctrl.yaml | 372 ++++++++++++++++++ 1 file changed, 372 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/thead,th1520-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/thead,th1520-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/thead,th1520-pinctrl.yaml new file mode 100644 index 000000000000..d3ad7a7cfdd1 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/thead,th1520-pinctrl.yaml @@ -0,0 +1,372 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/thead,th1520-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: T-Head TH1520 SoC pin controller + +maintainers: + - Emil Renner Berthing + +description: | + Pinmux and pinconf controller in the T-Head TH1520 RISC-V SoC. + + The TH1520 has 3 groups of pads each controlled from different memory ranges. + Confusingly the memory ranges are named + PADCTRL_AOSYS -> PAD Group 1 + PADCTRL1_APSYS -> PAD Group 2 + PADCTRL0_APSYS -> PAD Group 3 + + Each pad can be muxed individually to up to 6 different functions. For most + pads only a few of those 6 configurations are valid though, and a few pads in + group 1 does not support muxing at all. + + Pinconf is fairly regular except for a few pads in group 1 that either can't + be configured or has some special functions. The rest have configurable drive + strength, input enable, schmitt trigger, slew rate, pull-up and pull-down in + addition to a special strong pull up. + + Certain pads in group 1 can be muxed to AUDIO_PA0 - AUDIO_PA30 functions and + are then meant to be used by the audio co-processor. Each such pad can then + be further muxed to either audio GPIO or one of 4 functions such as UART, I2C + and I2S. If the audio pad is muxed to one of the 4 functions then pinconf is + also configured in different registers. All of this is done from a different + AUDIO_IOCTRL memory range and is left to the audio co-processor for now. + +properties: + compatible: + enum: + - thead,th1520-group1-pinctrl + - thead,th1520-group2-pinctrl + - thead,th1520-group3-pinctrl + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + +patternProperties: + '-[0-9]+$': + type: object + + additionalProperties: false + + patternProperties: + '-pins$': + type: object + $ref: /schemas/pinctrl/pincfg-node.yaml + + additionalProperties: false + + description: + A pinctrl node should contain at least one subnode describing one + or more pads and their associated pinmux and pinconf settings. + + properties: + pins: + $ref: /schemas/pinctrl/pinmux-node.yaml#/properties/pins + description: List of pads that properties in the node apply to. + + function: + $ref: /schemas/pinctrl/pinmux-node.yaml#/properties/function + enum: [ gpio, pwm, uart, ir, i2c, spi, qspi, sdio, audio, i2s, + gmac0, gmac1, dpu0, dpu1, isp, hdmi, bootsel, debug, + clock, jtag, iso7816, efuse, reset ] + description: The mux function to select for the given pins. + + bias-disable: true + + bias-pull-up: + oneOf: + - type: boolean + description: Enable the regular 48kOhm pull-up + - enum: [ 2100, 48000 ] + description: Enable the strong 2.1kOhm pull-up or regular 48kOhm pull-up + + bias-pull-down: + oneOf: + - type: boolean + - const: 44000 + description: Enable the regular 44kOhm pull-down + + drive-strength: + enum: [ 1, 2, 3, 5, 7, 8, 10, 12, 13, 15, 16, 18, 20, 21, 23, 25 ] + description: Drive strength in mA + + input-enable: true + + input-disable: true + + input-schmitt-enable: true + + input-schmitt-disable: true + + slew-rate: + maximum: 1 + + required: + - pins + +required: + - compatible + - reg + - clocks + +additionalProperties: false + +allOf: + - $ref: pinctrl.yaml# + - if: + properties: + compatible: + const: thead,th1520-group1-pinctrl + then: + patternProperties: + '-[0-9]+$': + patternProperties: + '-pins$': + properties: + pins: + items: + enum: + - OSC_CLK_IN + - OSC_CLK_OUT + - SYS_RST_N + - RTC_CLK_IN + - RTC_CLK_OUT + - TEST_MODE + - DEBUG_MODE + - POR_SEL + - I2C_AON_SCL + - I2C_AON_SDA + - CPU_JTG_TCLK + - CPU_JTG_TMS + - CPU_JTG_TDI + - CPU_JTG_TDO + - CPU_JTG_TRST + - AOGPIO_7 + - AOGPIO_8 + - AOGPIO_9 + - AOGPIO_10 + - AOGPIO_11 + - AOGPIO_12 + - AOGPIO_13 + - AOGPIO_14 + - AOGPIO_15 + - AUDIO_PA0 + - AUDIO_PA1 + - AUDIO_PA2 + - AUDIO_PA3 + - AUDIO_PA4 + - AUDIO_PA5 + - AUDIO_PA6 + - AUDIO_PA7 + - AUDIO_PA8 + - AUDIO_PA9 + - AUDIO_PA10 + - AUDIO_PA11 + - AUDIO_PA12 + - AUDIO_PA13 + - AUDIO_PA14 + - AUDIO_PA15 + - AUDIO_PA16 + - AUDIO_PA17 + - AUDIO_PA27 + - AUDIO_PA28 + - AUDIO_PA29 + - AUDIO_PA30 + - if: + properties: + compatible: + const: thead,th1520-group2-pinctrl + then: + patternProperties: + '-[0-9]+$': + patternProperties: + '-pins$': + properties: + pins: + items: + enum: + - QSPI1_SCLK + - QSPI1_CSN0 + - QSPI1_D0_MOSI + - QSPI1_D1_MISO + - QSPI1_D2_WP + - QSPI1_D3_HOLD + - I2C0_SCL + - I2C0_SDA + - I2C1_SCL + - I2C1_SDA + - UART1_TXD + - UART1_RXD + - UART4_TXD + - UART4_RXD + - UART4_CTSN + - UART4_RTSN + - UART3_TXD + - UART3_RXD + - GPIO0_18 + - GPIO0_19 + - GPIO0_20 + - GPIO0_21 + - GPIO0_22 + - GPIO0_23 + - GPIO0_24 + - GPIO0_25 + - GPIO0_26 + - GPIO0_27 + - GPIO0_28 + - GPIO0_29 + - GPIO0_30 + - GPIO0_31 + - GPIO1_0 + - GPIO1_1 + - GPIO1_2 + - GPIO1_3 + - GPIO1_4 + - GPIO1_5 + - GPIO1_6 + - GPIO1_7 + - GPIO1_8 + - GPIO1_9 + - GPIO1_10 + - GPIO1_11 + - GPIO1_12 + - GPIO1_13 + - GPIO1_14 + - GPIO1_15 + - GPIO1_16 + - CLK_OUT_0 + - CLK_OUT_1 + - CLK_OUT_2 + - CLK_OUT_3 + - GPIO1_21 + - GPIO1_22 + - GPIO1_23 + - GPIO1_24 + - GPIO1_25 + - GPIO1_26 + - GPIO1_27 + - GPIO1_28 + - GPIO1_29 + - GPIO1_30 + - if: + properties: + compatible: + const: thead,th1520-group3-pinctrl + then: + patternProperties: + '-[0-9]+$': + patternProperties: + '-pins$': + properties: + pins: + items: + enum: + - UART0_TXD + - UART0_RXD + - QSPI0_SCLK + - QSPI0_CSN0 + - QSPI0_CSN1 + - QSPI0_D0_MOSI + - QSPI0_D1_MISO + - QSPI0_D2_WP + - QSPI1_D3_HOLD + - I2C2_SCL + - I2C2_SDA + - I2C3_SCL + - I2C3_SDA + - GPIO2_13 + - SPI_SCLK + - SPI_CSN + - SPI_MOSI + - SPI_MISO + - GPIO2_18 + - GPIO2_19 + - GPIO2_20 + - GPIO2_21 + - GPIO2_22 + - GPIO2_23 + - GPIO2_24 + - GPIO2_25 + - SDIO0_WPRTN + - SDIO0_DETN + - SDIO1_WPRTN + - SDIO1_DETN + - GPIO2_30 + - GPIO2_31 + - GPIO3_0 + - GPIO3_1 + - GPIO3_2 + - GPIO3_3 + - HDMI_SCL + - HDMI_SDA + - HDMI_CEC + - GMAC0_TX_CLK + - GMAC0_RX_CLK + - GMAC0_TXEN + - GMAC0_TXD0 + - GMAC0_TXD1 + - GMAC0_TXD2 + - GMAC0_TXD3 + - GMAC0_RXDV + - GMAC0_RXD0 + - GMAC0_RXD1 + - GMAC0_RXD2 + - GMAC0_RXD3 + - GMAC0_MDC + - GMAC0_MDIO + - GMAC0_COL + - GMAC0_CRS + +examples: + - | + padctrl0_apsys: pinctrl@ec007000 { + compatible = "thead,th1520-group3-pinctrl"; + reg = <0xec007000 0x1000>; + clocks = <&apb_clk>; + + uart0_pins: uart0-0 { + tx-pins { + pins = "UART0_TXD"; + function = "uart"; + bias-disable; + drive-strength = <3>; + input-disable; + input-schmitt-disable; + slew-rate = <0>; + }; + + rx-pins { + pins = "UART0_RXD"; + function = "uart"; + bias-disable; + drive-strength = <1>; + input-enable; + input-schmitt-enable; + slew-rate = <0>; + }; + }; + }; + + padctrl1_apsys: pinctrl@e7f3c000 { + compatible = "thead,th1520-group2-pinctrl"; + reg = <0xe7f3c000 0x1000>; + clocks = <&apb_clk>; + + i2c5_pins: i2c5-0 { + i2c-pins { + pins = "QSPI1_CSN0", /* I2C5_SCL */ + "QSPI1_D0_MOSI"; /* I2C5_SDA */ + function = "i2c"; + bias-pull-up = <2100>; + drive-strength = <7>; + input-enable; + input-schmitt-enable; + slew-rate = <0>; + }; + }; + }; From patchwork Wed Jan 3 13:28:39 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Emil Renner Berthing X-Patchwork-Id: 759767 Received: from smtp-relay-internal-0.canonical.com (smtp-relay-internal-0.canonical.com [185.125.188.122]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5DF30199D2 for ; 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([2a01:4262:1ab:c:5af0:999b:bb78:7614]) by smtp.gmail.com with ESMTPSA id eu18-20020a170907299200b00a26e53be089sm9549873ejc.44.2024.01.03.05.28.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jan 2024 05:28:55 -0800 (PST) From: Emil Renner Berthing To: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org Cc: Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jisheng Zhang , Guo Ren , Fu Wei , Paul Walmsley , Palmer Dabbelt , Drew Fustini Subject: [PATCH v2 2/8] pinctrl: Add driver for the T-Head TH1520 SoC Date: Wed, 3 Jan 2024 14:28:39 +0100 Message-ID: <20240103132852.298964-3-emil.renner.berthing@canonical.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240103132852.298964-1-emil.renner.berthing@canonical.com> References: <20240103132852.298964-1-emil.renner.berthing@canonical.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add pinctrl driver for the T-Head TH1520 RISC-V SoC. Signed-off-by: Emil Renner Berthing --- MAINTAINERS | 1 + drivers/pinctrl/Kconfig | 9 + drivers/pinctrl/Makefile | 1 + drivers/pinctrl/pinctrl-th1520.c | 891 +++++++++++++++++++++++++++++++ 4 files changed, 902 insertions(+) create mode 100644 drivers/pinctrl/pinctrl-th1520.c diff --git a/MAINTAINERS b/MAINTAINERS index f5c2450fa4ec..bcd4a241b45f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18626,6 +18626,7 @@ M: Fu Wei L: linux-riscv@lists.infradead.org S: Maintained F: arch/riscv/boot/dts/thead/ +F: drivers/pinctrl/pinctrl-th1520.c RNBD BLOCK DRIVERS M: Md. Haris Iqbal diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig index 1de4e1edede0..44426fe0f848 100644 --- a/drivers/pinctrl/Kconfig +++ b/drivers/pinctrl/Kconfig @@ -469,6 +469,15 @@ config PINCTRL_TB10X depends on OF && ARC_PLAT_TB10X select GPIOLIB +config PINCTRL_TH1520 + tristate "Pinctrl driver for the T-Head TH1520 SoC" + depends on ARCH_THEAD || COMPILE_TEST + select GENERIC_PINMUX_FUNCTIONS + select GENERIC_PINCONF + select PINMUX + help + This selects the pinctrl driver for T-Head TH1520 RISC-V SoC. + config PINCTRL_ZYNQ bool "Pinctrl driver for Xilinx Zynq" depends on ARCH_ZYNQ diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile index 37575deb7a69..74350d667add 100644 --- a/drivers/pinctrl/Makefile +++ b/drivers/pinctrl/Makefile @@ -48,6 +48,7 @@ obj-$(CONFIG_PINCTRL_ST) += pinctrl-st.o obj-$(CONFIG_PINCTRL_STMFX) += pinctrl-stmfx.o obj-$(CONFIG_PINCTRL_SX150X) += pinctrl-sx150x.o obj-$(CONFIG_PINCTRL_TB10X) += pinctrl-tb10x.o +obj-$(CONFIG_PINCTRL_TH1520) += pinctrl-th1520.o obj-$(CONFIG_PINCTRL_ZYNQMP) += pinctrl-zynqmp.o obj-$(CONFIG_PINCTRL_ZYNQ) += pinctrl-zynq.o diff --git a/drivers/pinctrl/pinctrl-th1520.c b/drivers/pinctrl/pinctrl-th1520.c new file mode 100644 index 000000000000..7c533438f2fd --- /dev/null +++ b/drivers/pinctrl/pinctrl-th1520.c @@ -0,0 +1,891 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Pinctrl driver for the T-Head TH1520 SoC + * + * Copyright (C) 2023 Emil Renner Berthing + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#include "core.h" +#include "pinmux.h" +#include "pinconf.h" + +#define TH1520_PADCFG_IE BIT(9) +#define TH1520_PADCFG_SL BIT(8) +#define TH1520_PADCFG_ST BIT(7) +#define TH1520_PADCFG_SPU BIT(6) +#define TH1520_PADCFG_PS BIT(5) +#define TH1520_PADCFG_PE BIT(4) +#define TH1520_PADCFG_BIAS (TH1520_PADCFG_SPU | TH1520_PADCFG_PS | TH1520_PADCFG_PE) +#define TH1520_PADCFG_DS GENMASK(3, 0) + +#define TH1520_PULL_DOWN_OHM 44000 /* typ. 44kOhm */ +#define TH1520_PULL_UP_OHM 48000 /* typ. 48kOhm */ +#define TH1520_PULL_STRONG_OHM 2100 /* typ. 2.1kOhm */ + +#define TH1520_PAD_NO_PADCFG BIT(30) +#define TH1520_PAD_MUXDATA GENMASK(29, 0) + +struct th1520_pad_group { + const char *name; + const struct pinctrl_pin_desc *pins; + unsigned int npins; +}; + +struct th1520_pinctrl { + struct pinctrl_desc desc; + struct mutex mutex; /* serialize adding functions */ + raw_spinlock_t lock; /* serialize register access */ + void __iomem *base; + struct pinctrl_dev *pctl; +}; + +static void __iomem *th1520_padcfg(struct th1520_pinctrl *thp, + unsigned int pin) +{ + return thp->base + 4 * (pin / 2); +} + +static unsigned int th1520_padcfg_shift(unsigned int pin) +{ + return 16 * (pin & BIT(0)); +} + +static void __iomem *th1520_muxcfg(struct th1520_pinctrl *thp, + unsigned int pin) +{ + return thp->base + 0x400 + 4 * (pin / 8); +} + +static unsigned int th1520_muxcfg_shift(unsigned int pin) +{ + return 4 * (pin & GENMASK(2, 0)); +} + +enum th1520_muxtype { + TH1520_MUX_____, + TH1520_MUX_GPIO, + TH1520_MUX_PWM, + TH1520_MUX_UART, + TH1520_MUX_IR, + TH1520_MUX_I2C, + TH1520_MUX_SPI, + TH1520_MUX_QSPI, + TH1520_MUX_SDIO, + TH1520_MUX_AUD, + TH1520_MUX_I2S, + TH1520_MUX_MAC0, + TH1520_MUX_MAC1, + TH1520_MUX_DPU0, + TH1520_MUX_DPU1, + TH1520_MUX_ISP, + TH1520_MUX_HDMI, + TH1520_MUX_BSEL, + TH1520_MUX_DBG, + TH1520_MUX_CLK, + TH1520_MUX_JTAG, + TH1520_MUX_ISO, + TH1520_MUX_FUSE, + TH1520_MUX_RST, +}; + +static const char *const th1520_muxtype_string[] = { + [TH1520_MUX_GPIO] = "gpio", + [TH1520_MUX_PWM] = "pwm", + [TH1520_MUX_UART] = "uart", + [TH1520_MUX_IR] = "ir", + [TH1520_MUX_I2C] = "i2c", + [TH1520_MUX_SPI] = "spi", + [TH1520_MUX_QSPI] = "qspi", + [TH1520_MUX_SDIO] = "sdio", + [TH1520_MUX_AUD] = "audio", + [TH1520_MUX_I2S] = "i2s", + [TH1520_MUX_MAC0] = "gmac0", + [TH1520_MUX_MAC1] = "gmac1", + [TH1520_MUX_DPU0] = "dpu0", + [TH1520_MUX_DPU1] = "dpu1", + [TH1520_MUX_ISP] = "isp", + [TH1520_MUX_HDMI] = "hdmi", + [TH1520_MUX_BSEL] = "bootsel", + [TH1520_MUX_DBG] = "debug", + [TH1520_MUX_CLK] = "clock", + [TH1520_MUX_JTAG] = "jtag", + [TH1520_MUX_ISO] = "iso7816", + [TH1520_MUX_FUSE] = "efuse", + [TH1520_MUX_RST] = "reset", +}; + +static enum th1520_muxtype th1520_muxtype_get(const char *str) +{ + enum th1520_muxtype mt; + + for (mt = TH1520_MUX_GPIO; mt < ARRAY_SIZE(th1520_muxtype_string); mt++) { + if (!strcmp(str, th1520_muxtype_string[mt])) + return mt; + } + return TH1520_MUX_____; +} + +#define TH1520_PAD(_nr, _name, m0, m1, m2, m3, m4, m5, _flags) \ + { .number = _nr, .name = #_name, .drv_data = (void *)((_flags) | \ + (TH1520_MUX_##m0 << 0) | (TH1520_MUX_##m1 << 5) | (TH1520_MUX_##m2 << 10) | \ + (TH1520_MUX_##m3 << 15) | (TH1520_MUX_##m4 << 20) | (TH1520_MUX_##m5 << 25)) } + +static const struct pinctrl_pin_desc th1520_group1_pins[] = { + TH1520_PAD(0, OSC_CLK_IN, ____, ____, ____, ____, ____, ____, TH1520_PAD_NO_PADCFG), + TH1520_PAD(1, OSC_CLK_OUT, ____, ____, ____, ____, ____, ____, TH1520_PAD_NO_PADCFG), + TH1520_PAD(2, SYS_RST_N, ____, ____, ____, ____, ____, ____, TH1520_PAD_NO_PADCFG), + TH1520_PAD(3, RTC_CLK_IN, ____, ____, ____, ____, ____, ____, TH1520_PAD_NO_PADCFG), + TH1520_PAD(4, RTC_CLK_OUT, ____, ____, ____, ____, ____, ____, TH1520_PAD_NO_PADCFG), + /* skip number 5 so we can calculate register offsets and shifts from the pin number */ + TH1520_PAD(6, TEST_MODE, ____, ____, ____, ____, ____, ____, TH1520_PAD_NO_PADCFG), + TH1520_PAD(7, DEBUG_MODE, DBG, ____, ____, GPIO, ____, ____, TH1520_PAD_NO_PADCFG), + TH1520_PAD(8, POR_SEL, ____, ____, ____, ____, ____, ____, TH1520_PAD_NO_PADCFG), + TH1520_PAD(9, I2C_AON_SCL, I2C, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(10, I2C_AON_SDA, I2C, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(11, CPU_JTG_TCLK, JTAG, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(12, CPU_JTG_TMS, JTAG, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(13, CPU_JTG_TDI, JTAG, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(14, CPU_JTG_TDO, JTAG, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(15, CPU_JTG_TRST, JTAG, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(16, AOGPIO_7, CLK, AUD, ____, GPIO, ____, ____, 0), + TH1520_PAD(17, AOGPIO_8, UART, AUD, IR, GPIO, ____, ____, 0), + TH1520_PAD(18, AOGPIO_9, UART, AUD, IR, GPIO, ____, ____, 0), + TH1520_PAD(19, AOGPIO_10, CLK, AUD, ____, GPIO, ____, ____, 0), + TH1520_PAD(20, AOGPIO_11, GPIO, AUD, ____, ____, ____, ____, 0), + TH1520_PAD(21, AOGPIO_12, GPIO, AUD, ____, ____, ____, ____, 0), + TH1520_PAD(22, AOGPIO_13, GPIO, AUD, ____, ____, ____, ____, 0), + TH1520_PAD(23, AOGPIO_14, GPIO, AUD, ____, ____, ____, ____, 0), + TH1520_PAD(24, AOGPIO_15, GPIO, AUD, ____, ____, ____, ____, 0), + TH1520_PAD(25, AUDIO_PA0, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(26, AUDIO_PA1, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(27, AUDIO_PA2, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(28, AUDIO_PA3, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(29, AUDIO_PA4, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(30, AUDIO_PA5, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(31, AUDIO_PA6, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(32, AUDIO_PA7, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(33, AUDIO_PA8, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(34, AUDIO_PA9, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(35, AUDIO_PA10, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(36, AUDIO_PA11, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(37, AUDIO_PA12, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(38, AUDIO_PA13, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(39, AUDIO_PA14, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(40, AUDIO_PA15, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(41, AUDIO_PA16, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(42, AUDIO_PA17, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(43, AUDIO_PA27, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(44, AUDIO_PA28, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(45, AUDIO_PA29, AUD, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(46, AUDIO_PA30, AUD, RST, ____, GPIO, ____, ____, 0), +}; + +static const struct pinctrl_pin_desc th1520_group2_pins[] = { + TH1520_PAD(0, QSPI1_SCLK, QSPI, ISO, ____, GPIO, FUSE, ____, 0), + TH1520_PAD(1, QSPI1_CSN0, QSPI, ____, I2C, GPIO, FUSE, ____, 0), + TH1520_PAD(2, QSPI1_D0_MOSI, QSPI, ISO, I2C, GPIO, FUSE, ____, 0), + TH1520_PAD(3, QSPI1_D1_MISO, QSPI, ISO, ____, GPIO, FUSE, ____, 0), + TH1520_PAD(4, QSPI1_D2_WP, QSPI, ISO, UART, GPIO, FUSE, ____, 0), + TH1520_PAD(5, QSPI1_D3_HOLD, QSPI, ISO, UART, GPIO, ____, ____, 0), + TH1520_PAD(6, I2C0_SCL, I2C, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(7, I2C0_SDA, I2C, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(8, I2C1_SCL, I2C, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(9, I2C1_SDA, I2C, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(10, UART1_TXD, UART, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(11, UART1_RXD, UART, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(12, UART4_TXD, UART, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(13, UART4_RXD, UART, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(14, UART4_CTSN, UART, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(15, UART4_RTSN, UART, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(16, UART3_TXD, DBG, UART, ____, GPIO, ____, ____, 0), + TH1520_PAD(17, UART3_RXD, DBG, UART, ____, GPIO, ____, ____, 0), + TH1520_PAD(18, GPIO0_18, GPIO, I2C, ____, ____, ____, ____, 0), + TH1520_PAD(19, GPIO0_19, GPIO, I2C, ____, ____, ____, ____, 0), + TH1520_PAD(20, GPIO0_20, GPIO, UART, IR, ____, ____, ____, 0), + TH1520_PAD(21, GPIO0_21, GPIO, UART, IR, ____, DPU0, DPU1, 0), + TH1520_PAD(22, GPIO0_22, GPIO, JTAG, I2C, ____, DPU0, DPU1, 0), + TH1520_PAD(23, GPIO0_23, GPIO, JTAG, I2C, ____, DPU0, DPU1, 0), + TH1520_PAD(24, GPIO0_24, GPIO, JTAG, QSPI, ____, DPU0, DPU1, 0), + TH1520_PAD(25, GPIO0_25, GPIO, JTAG, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(26, GPIO0_26, GPIO, JTAG, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(27, GPIO0_27, GPIO, ____, I2C, ____, DPU0, DPU1, 0), + TH1520_PAD(28, GPIO0_28, GPIO, ____, I2C, ____, DPU0, DPU1, 0), + TH1520_PAD(29, GPIO0_29, GPIO, ____, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(30, GPIO0_30, GPIO, ____, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(31, GPIO0_31, GPIO, ____, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(32, GPIO1_0, GPIO, JTAG, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(33, GPIO1_1, GPIO, JTAG, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(34, GPIO1_2, GPIO, JTAG, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(35, GPIO1_3, GPIO, JTAG, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(36, GPIO1_4, GPIO, JTAG, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(37, GPIO1_5, GPIO, ____, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(38, GPIO1_6, GPIO, ____, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(39, GPIO1_7, GPIO, QSPI, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(40, GPIO1_8, GPIO, QSPI, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(41, GPIO1_9, GPIO, QSPI, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(42, GPIO1_10, GPIO, QSPI, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(43, GPIO1_11, GPIO, QSPI, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(44, GPIO1_12, GPIO, QSPI, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(45, GPIO1_13, GPIO, UART, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(46, GPIO1_14, GPIO, UART, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(47, GPIO1_15, GPIO, UART, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(48, GPIO1_16, GPIO, UART, ____, ____, DPU0, DPU1, 0), + TH1520_PAD(49, CLK_OUT_0, BSEL, CLK, ____, GPIO, ____, ____, 0), + TH1520_PAD(50, CLK_OUT_1, BSEL, CLK, ____, GPIO, ____, ____, 0), + TH1520_PAD(51, CLK_OUT_2, BSEL, CLK, ____, GPIO, ____, ____, 0), + TH1520_PAD(52, CLK_OUT_3, BSEL, CLK, ____, GPIO, ____, ____, 0), + TH1520_PAD(53, GPIO1_21, GPIO, ____, ISP, ____, ____, ____, 0), + TH1520_PAD(54, GPIO1_22, GPIO, ____, ISP, ____, ____, ____, 0), + TH1520_PAD(55, GPIO1_23, GPIO, ____, ISP, ____, ____, ____, 0), + TH1520_PAD(56, GPIO1_24, GPIO, ____, ISP, ____, ____, ____, 0), + TH1520_PAD(57, GPIO1_25, GPIO, ____, ISP, ____, ____, ____, 0), + TH1520_PAD(58, GPIO1_26, GPIO, ____, ISP, ____, ____, ____, 0), + TH1520_PAD(59, GPIO1_27, GPIO, ____, ISP, ____, ____, ____, 0), + TH1520_PAD(60, GPIO1_28, GPIO, ____, ISP, ____, ____, ____, 0), + TH1520_PAD(61, GPIO1_29, GPIO, ____, ISP, ____, ____, ____, 0), + TH1520_PAD(62, GPIO1_30, GPIO, ____, ISP, ____, ____, ____, 0), +}; + +static const struct pinctrl_pin_desc th1520_group3_pins[] = { + TH1520_PAD(0, UART0_TXD, UART, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(1, UART0_RXD, UART, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(2, QSPI0_SCLK, QSPI, PWM, I2S, GPIO, ____, ____, 0), + TH1520_PAD(3, QSPI0_CSN0, QSPI, PWM, I2S, GPIO, ____, ____, 0), + TH1520_PAD(4, QSPI0_CSN1, QSPI, PWM, I2S, GPIO, ____, ____, 0), + TH1520_PAD(5, QSPI0_D0_MOSI, QSPI, PWM, I2S, GPIO, ____, ____, 0), + TH1520_PAD(6, QSPI0_D1_MISO, QSPI, PWM, I2S, GPIO, ____, ____, 0), + TH1520_PAD(7, QSPI0_D2_WP, QSPI, PWM, I2S, GPIO, ____, ____, 0), + TH1520_PAD(8, QSPI1_D3_HOLD, QSPI, ____, I2S, GPIO, ____, ____, 0), + TH1520_PAD(9, I2C2_SCL, I2C, UART, ____, GPIO, ____, ____, 0), + TH1520_PAD(10, I2C2_SDA, I2C, UART, ____, GPIO, ____, ____, 0), + TH1520_PAD(11, I2C3_SCL, I2C, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(12, I2C3_SDA, I2C, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(13, GPIO2_13, GPIO, SPI, ____, ____, ____, ____, 0), + TH1520_PAD(14, SPI_SCLK, SPI, UART, IR, GPIO, ____, ____, 0), + TH1520_PAD(15, SPI_CSN, SPI, UART, IR, GPIO, ____, ____, 0), + TH1520_PAD(16, SPI_MOSI, SPI, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(17, SPI_MISO, SPI, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(18, GPIO2_18, GPIO, MAC1, ____, ____, ____, ____, 0), + TH1520_PAD(19, GPIO2_19, GPIO, MAC1, ____, ____, ____, ____, 0), + TH1520_PAD(20, GPIO2_20, GPIO, MAC1, ____, ____, ____, ____, 0), + TH1520_PAD(21, GPIO2_21, GPIO, MAC1, ____, ____, ____, ____, 0), + TH1520_PAD(22, GPIO2_22, GPIO, MAC1, ____, ____, ____, ____, 0), + TH1520_PAD(23, GPIO2_23, GPIO, MAC1, ____, ____, ____, ____, 0), + TH1520_PAD(24, GPIO2_24, GPIO, MAC1, ____, ____, ____, ____, 0), + TH1520_PAD(25, GPIO2_25, GPIO, MAC1, ____, ____, ____, ____, 0), + TH1520_PAD(26, SDIO0_WPRTN, SDIO, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(27, SDIO0_DETN, SDIO, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(28, SDIO1_WPRTN, SDIO, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(29, SDIO1_DETN, SDIO, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(30, GPIO2_30, GPIO, MAC1, ____, ____, ____, ____, 0), + TH1520_PAD(31, GPIO2_31, GPIO, MAC1, ____, ____, ____, ____, 0), + TH1520_PAD(32, GPIO3_0, GPIO, MAC1, ____, ____, ____, ____, 0), + TH1520_PAD(33, GPIO3_1, GPIO, MAC1, ____, ____, ____, ____, 0), + TH1520_PAD(34, GPIO3_2, GPIO, PWM, ____, ____, ____, ____, 0), + TH1520_PAD(35, GPIO3_3, GPIO, PWM, ____, ____, ____, ____, 0), + TH1520_PAD(36, HDMI_SCL, HDMI, PWM, ____, GPIO, ____, ____, 0), + TH1520_PAD(37, HDMI_SDA, HDMI, PWM, ____, GPIO, ____, ____, 0), + TH1520_PAD(38, HDMI_CEC, HDMI, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(39, GMAC0_TX_CLK, MAC0, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(40, GMAC0_RX_CLK, MAC0, ____, ____, GPIO, ____, ____, 0), + TH1520_PAD(41, GMAC0_TXEN, MAC0, UART, ____, GPIO, ____, ____, 0), + TH1520_PAD(42, GMAC0_TXD0, MAC0, UART, ____, GPIO, ____, ____, 0), + TH1520_PAD(43, GMAC0_TXD1, MAC0, UART, ____, GPIO, ____, ____, 0), + TH1520_PAD(44, GMAC0_TXD2, MAC0, UART, ____, GPIO, ____, ____, 0), + TH1520_PAD(45, GMAC0_TXD3, MAC0, I2C, ____, GPIO, ____, ____, 0), + TH1520_PAD(46, GMAC0_RXDV, MAC0, I2C, ____, GPIO, ____, ____, 0), + TH1520_PAD(47, GMAC0_RXD0, MAC0, I2C, ____, GPIO, ____, ____, 0), + TH1520_PAD(48, GMAC0_RXD1, MAC0, I2C, ____, GPIO, ____, ____, 0), + TH1520_PAD(49, GMAC0_RXD2, MAC0, SPI, ____, GPIO, ____, ____, 0), + TH1520_PAD(50, GMAC0_RXD3, MAC0, SPI, ____, GPIO, ____, ____, 0), + TH1520_PAD(51, GMAC0_MDC, MAC0, SPI, MAC1, GPIO, ____, ____, 0), + TH1520_PAD(52, GMAC0_MDIO, MAC0, SPI, MAC1, GPIO, ____, ____, 0), + TH1520_PAD(53, GMAC0_COL, MAC0, PWM, ____, GPIO, ____, ____, 0), + TH1520_PAD(54, GMAC0_CRS, MAC0, PWM, ____, GPIO, ____, ____, 0), +}; + +static const struct th1520_pad_group th1520_group1 = { + .name = "th1520-group1", + .pins = th1520_group1_pins, + .npins = ARRAY_SIZE(th1520_group1_pins), +}; + +static const struct th1520_pad_group th1520_group2 = { + .name = "th1520-group2", + .pins = th1520_group2_pins, + .npins = ARRAY_SIZE(th1520_group2_pins), +}; + +static const struct th1520_pad_group th1520_group3 = { + .name = "th1520-group3", + .pins = th1520_group3_pins, + .npins = ARRAY_SIZE(th1520_group3_pins), +}; + +static int th1520_pinctrl_get_groups_count(struct pinctrl_dev *pctldev) +{ + struct th1520_pinctrl *thp = pinctrl_dev_get_drvdata(pctldev); + + return thp->desc.npins; +} + +static const char *th1520_pinctrl_get_group_name(struct pinctrl_dev *pctldev, + unsigned int gsel) +{ + struct th1520_pinctrl *thp = pinctrl_dev_get_drvdata(pctldev); + + return thp->desc.pins[gsel].name; +} + +static int th1520_pinctrl_get_group_pins(struct pinctrl_dev *pctldev, + unsigned int gsel, + const unsigned int **pins, + unsigned int *npins) +{ + struct th1520_pinctrl *thp = pinctrl_dev_get_drvdata(pctldev); + + *pins = &thp->desc.pins[gsel].number; + *npins = 1; + return 0; +} + +#ifdef CONFIG_DEBUG_FS +static void th1520_pin_dbg_show(struct pinctrl_dev *pctldev, + struct seq_file *s, unsigned int pin) +{ + struct th1520_pinctrl *thp = pinctrl_dev_get_drvdata(pctldev); + void __iomem *padcfg = th1520_padcfg(thp, pin); + void __iomem *muxcfg = th1520_muxcfg(thp, pin); + u32 pad; + u32 mux; + + scoped_guard(raw_spinlock_irqsave, &thp->lock) { + pad = readl_relaxed(padcfg); + mux = readl_relaxed(muxcfg); + } + + seq_printf(s, "[PADCFG_%03u:0x%x=0x%07x MUXCFG_%03u:0x%x=0x%08x]", + 1 + pin / 2, 0x000 + 4 * (pin / 2), pad, + 1 + pin / 8, 0x400 + 4 * (pin / 8), mux); +} +#else +#define th1520_pin_dbg_show NULL +#endif + +static void th1520_pinctrl_dt_free_map(struct pinctrl_dev *pctldev, + struct pinctrl_map *map, unsigned int nmaps) +{ + unsigned long *seen = NULL; + unsigned int i; + + for (i = 0; i < nmaps; i++) { + if (map[i].type == PIN_MAP_TYPE_CONFIGS_PIN && + map[i].data.configs.configs != seen) { + seen = map[i].data.configs.configs; + kfree(seen); + } + } + + kfree(map); +} + +static int th1520_pinctrl_dt_node_to_map(struct pinctrl_dev *pctldev, + struct device_node *np, + struct pinctrl_map **maps, + unsigned int *num_maps) +{ + struct th1520_pinctrl *thp = pinctrl_dev_get_drvdata(pctldev); + struct device_node *child; + struct pinctrl_map *map; + unsigned long *configs; + unsigned int nconfigs; + unsigned int nmaps; + int ret; + + nmaps = 0; + for_each_available_child_of_node(np, child) { + int npins = of_property_count_strings(child, "pins"); + + if (npins <= 0) { + of_node_put(child); + dev_err(thp->pctl->dev, "no pins selected for %pOFn.%pOFn\n", + np, child); + return -EINVAL; + } + nmaps += npins; + if (of_property_present(child, "function")) + nmaps += npins; + } + + map = kcalloc(nmaps, sizeof(*map), GFP_KERNEL); + if (!map) + return -ENOMEM; + + nmaps = 0; + mutex_lock(&thp->mutex); + for_each_available_child_of_node(np, child) { + unsigned int rollback = nmaps; + enum th1520_muxtype muxtype; + struct property *prop; + const char *funcname; + const char **pgnames; + const char *pinname; + int npins; + + ret = pinconf_generic_parse_dt_config(child, pctldev, &configs, &nconfigs); + if (ret) { + dev_err(thp->pctl->dev, "%pOFn.%pOFn: error parsing pin config\n", + np, child); + goto put_child; + } + + if (!of_property_read_string(child, "function", &funcname)) { + muxtype = th1520_muxtype_get(funcname); + if (!muxtype) { + dev_err(thp->pctl->dev, "%pOFn.%pOFn: unknown function '%s'\n", + np, child, funcname); + ret = -EINVAL; + goto free_configs; + } + + funcname = devm_kasprintf(thp->pctl->dev, GFP_KERNEL, "%pOFn.%pOFn", + np, child); + if (!funcname) { + ret = -ENOMEM; + goto free_configs; + } + + npins = of_property_count_strings(child, "pins"); + pgnames = devm_kcalloc(thp->pctl->dev, npins, sizeof(*pgnames), GFP_KERNEL); + if (!pgnames) { + ret = -ENOMEM; + goto free_configs; + } + } else { + funcname = NULL; + } + + npins = 0; + of_property_for_each_string(child, "pins", prop, pinname) { + unsigned int i; + + for (i = 0; i < thp->desc.npins; i++) { + if (!strcmp(pinname, thp->desc.pins[i].name)) + break; + } + if (i == thp->desc.npins) { + nmaps = rollback; + dev_err(thp->pctl->dev, "%pOFn.%pOFn: unknown pin '%s'\n", + np, child, pinname); + goto free_configs; + } + + if (nconfigs) { + map[nmaps].type = PIN_MAP_TYPE_CONFIGS_PIN; + map[nmaps].data.configs.group_or_pin = thp->desc.pins[i].name; + map[nmaps].data.configs.configs = configs; + map[nmaps].data.configs.num_configs = nconfigs; + nmaps += 1; + } + if (funcname) { + pgnames[npins++] = thp->desc.pins[i].name; + map[nmaps].type = PIN_MAP_TYPE_MUX_GROUP; + map[nmaps].data.mux.function = funcname; + map[nmaps].data.mux.group = thp->desc.pins[i].name; + nmaps += 1; + } + } + + if (funcname) { + ret = pinmux_generic_add_function(pctldev, funcname, pgnames, + npins, (void *)muxtype); + if (ret < 0) { + dev_err(thp->pctl->dev, "error adding function %s\n", funcname); + goto put_child; + } + } + } + + *maps = map; + *num_maps = nmaps; + mutex_unlock(&thp->mutex); + return 0; + +free_configs: + kfree(configs); +put_child: + of_node_put(child); + th1520_pinctrl_dt_free_map(pctldev, map, nmaps); + mutex_unlock(&thp->mutex); + return ret; +} + +static const struct pinctrl_ops th1520_pinctrl_ops = { + .get_groups_count = th1520_pinctrl_get_groups_count, + .get_group_name = th1520_pinctrl_get_group_name, + .get_group_pins = th1520_pinctrl_get_group_pins, + .pin_dbg_show = th1520_pin_dbg_show, + .dt_node_to_map = th1520_pinctrl_dt_node_to_map, + .dt_free_map = th1520_pinctrl_dt_free_map, +}; + +static const u8 th1520_drive_strength_in_mA[16] = { + 1, 2, 3, 5, 7, 8, 10, 12, 13, 15, 16, 18, 20, 21, 23, 25, +}; + +static u16 th1520_drive_strength_from_mA(u32 arg) +{ + u16 ds; + + for (ds = 0; ds < TH1520_PADCFG_DS; ds++) { + if (arg <= th1520_drive_strength_in_mA[ds]) + return ds; + } + return TH1520_PADCFG_DS; +} + +static int th1520_padcfg_rmw(struct th1520_pinctrl *thp, unsigned int pin, + u32 mask, u32 value) +{ + void __iomem *padcfg = th1520_padcfg(thp, pin); + unsigned int shift = th1520_padcfg_shift(pin); + u32 tmp; + + mask <<= shift; + value <<= shift; + + scoped_guard(raw_spinlock_irqsave, &thp->lock) { + tmp = readl_relaxed(padcfg); + tmp = (tmp & ~mask) | value; + writel_relaxed(tmp, padcfg); + } + return 0; +} + +static int th1520_pinconf_get(struct pinctrl_dev *pctldev, + unsigned int pin, unsigned long *config) +{ + struct th1520_pinctrl *thp = pinctrl_dev_get_drvdata(pctldev); + const struct pin_desc *desc = pin_desc_get(pctldev, pin); + bool enabled; + int param; + u32 value; + u32 arg; + + if ((uintptr_t)desc->drv_data & TH1520_PAD_NO_PADCFG) + return -ENOTSUPP; + + value = readl_relaxed(th1520_padcfg(thp, pin)); + value = (value >> th1520_padcfg_shift(pin)) & GENMASK(9, 0); + + param = pinconf_to_config_param(*config); + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + enabled = !(value & (TH1520_PADCFG_SPU | TH1520_PADCFG_PE)); + arg = 0; + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + enabled = (value & TH1520_PADCFG_BIAS) == TH1520_PADCFG_PE; + arg = enabled ? TH1520_PULL_DOWN_OHM : 0; + break; + case PIN_CONFIG_BIAS_PULL_UP: + if (value & TH1520_PADCFG_SPU) { + enabled = true; + arg = TH1520_PULL_STRONG_OHM; + } else if ((value & (TH1520_PADCFG_PE | TH1520_PADCFG_PS)) == + (TH1520_PADCFG_PE | TH1520_PADCFG_PS)) { + enabled = true; + arg = TH1520_PULL_UP_OHM; + } else { + enabled = false; + arg = 0; + } + break; + case PIN_CONFIG_DRIVE_STRENGTH: + enabled = true; + arg = th1520_drive_strength_in_mA[value & TH1520_PADCFG_DS]; + break; + case PIN_CONFIG_INPUT_ENABLE: + enabled = value & TH1520_PADCFG_IE; + arg = enabled ? 1 : 0; + break; + case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + enabled = value & TH1520_PADCFG_ST; + arg = enabled ? 1 : 0; + break; + case PIN_CONFIG_SLEW_RATE: + enabled = value & TH1520_PADCFG_SL; + arg = enabled ? 1 : 0; + break; + default: + return -ENOTSUPP; + } + + *config = pinconf_to_config_packed(param, arg); + return enabled ? 0 : -EINVAL; +} + +static int th1520_pinconf_group_get(struct pinctrl_dev *pctldev, + unsigned int gsel, unsigned long *config) +{ + struct th1520_pinctrl *thp = pinctrl_dev_get_drvdata(pctldev); + unsigned int pin = thp->desc.pins[gsel].number; + + return th1520_pinconf_get(pctldev, pin, config); +} + +static int th1520_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, + unsigned long *configs, unsigned int num_configs) +{ + struct th1520_pinctrl *thp = pinctrl_dev_get_drvdata(pctldev); + const struct pin_desc *desc = pin_desc_get(pctldev, pin); + unsigned int i; + u16 mask, value; + + if ((uintptr_t)desc->drv_data & TH1520_PAD_NO_PADCFG) + return -ENOTSUPP; + + mask = 0; + value = 0; + for (i = 0; i < num_configs; i++) { + int param = pinconf_to_config_param(configs[i]); + u32 arg = pinconf_to_config_argument(configs[i]); + + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + mask |= TH1520_PADCFG_BIAS; + value &= ~TH1520_PADCFG_BIAS; + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + if (arg == 0) + return -ENOTSUPP; + mask |= TH1520_PADCFG_BIAS; + value &= ~TH1520_PADCFG_BIAS; + value |= TH1520_PADCFG_PE; + break; + case PIN_CONFIG_BIAS_PULL_UP: + if (arg == 0) + return -ENOTSUPP; + mask |= TH1520_PADCFG_BIAS; + value &= ~TH1520_PADCFG_BIAS; + if (arg == TH1520_PULL_STRONG_OHM) + value |= TH1520_PADCFG_SPU; + else + value |= TH1520_PADCFG_PE | TH1520_PADCFG_PS; + break; + case PIN_CONFIG_DRIVE_STRENGTH: + mask |= TH1520_PADCFG_DS; + value &= ~TH1520_PADCFG_DS; + value |= th1520_drive_strength_from_mA(arg); + break; + case PIN_CONFIG_INPUT_ENABLE: + mask |= TH1520_PADCFG_IE; + if (arg) + value |= TH1520_PADCFG_IE; + else + value &= ~TH1520_PADCFG_IE; + break; + case PIN_CONFIG_INPUT_SCHMITT_ENABLE: + mask |= TH1520_PADCFG_ST; + if (arg) + value |= TH1520_PADCFG_ST; + else + value &= ~TH1520_PADCFG_ST; + break; + case PIN_CONFIG_SLEW_RATE: + mask |= TH1520_PADCFG_SL; + if (arg) + value |= TH1520_PADCFG_SL; + else + value &= ~TH1520_PADCFG_SL; + break; + default: + return -ENOTSUPP; + } + } + + return th1520_padcfg_rmw(thp, pin, mask, value); +} + +static int th1520_pinconf_group_set(struct pinctrl_dev *pctldev, + unsigned int gsel, + unsigned long *configs, + unsigned int num_configs) +{ + struct th1520_pinctrl *thp = pinctrl_dev_get_drvdata(pctldev); + unsigned int pin = thp->desc.pins[gsel].number; + + return th1520_pinconf_set(pctldev, pin, configs, num_configs); +} + +#ifdef CONFIG_DEBUG_FS +static void th1520_pinconf_dbg_show(struct pinctrl_dev *pctldev, + struct seq_file *s, unsigned int pin) +{ + struct th1520_pinctrl *thp = pinctrl_dev_get_drvdata(pctldev); + u32 value = readl_relaxed(th1520_padcfg(thp, pin)); + + value = (value >> th1520_padcfg_shift(pin)) & GENMASK(9, 0); + + seq_printf(s, " [0x%03x]", value); +} +#else +#define th1520_pinconf_dbg_show NULL +#endif + +static const struct pinconf_ops th1520_pinconf_ops = { + .pin_config_get = th1520_pinconf_get, + .pin_config_group_get = th1520_pinconf_group_get, + .pin_config_set = th1520_pinconf_set, + .pin_config_group_set = th1520_pinconf_group_set, + .pin_config_dbg_show = th1520_pinconf_dbg_show, + .is_generic = true, +}; + +static int th1520_pinmux_set(struct th1520_pinctrl *thp, unsigned int pin, + unsigned long muxdata, enum th1520_muxtype muxtype) +{ + void __iomem *muxcfg = th1520_muxcfg(thp, pin); + unsigned int shift = th1520_muxcfg_shift(pin); + u32 mask, value, tmp; + + for (value = 0; muxdata; muxdata >>= 5, value++) { + if ((muxdata & GENMASK(4, 0)) == muxtype) + break; + } + if (!muxdata) { + dev_err(thp->pctl->dev, "invalid mux %s for pin %s\n", + th1520_muxtype_string[muxtype], pin_get_name(thp->pctl, pin)); + return -EINVAL; + } + + mask = GENMASK(3, 0) << shift; + value = value << shift; + + scoped_guard(raw_spinlock_irqsave, &thp->lock) { + tmp = readl_relaxed(muxcfg); + tmp = (tmp & ~mask) | value; + writel_relaxed(tmp, muxcfg); + } + return 0; +} + +static int th1520_pinmux_set_mux(struct pinctrl_dev *pctldev, + unsigned int fsel, unsigned int gsel) +{ + struct th1520_pinctrl *thp = pinctrl_dev_get_drvdata(pctldev); + const struct function_desc *func = pinmux_generic_get_function(pctldev, fsel); + + return th1520_pinmux_set(thp, thp->desc.pins[gsel].number, + (uintptr_t)thp->desc.pins[gsel].drv_data & TH1520_PAD_MUXDATA, + (uintptr_t)func->data); +} + +static int th1520_gpio_request_enable(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned int offset) +{ + struct th1520_pinctrl *thp = pinctrl_dev_get_drvdata(pctldev); + const struct pin_desc *desc = pin_desc_get(pctldev, offset); + + return th1520_pinmux_set(thp, offset, + (uintptr_t)desc->drv_data & TH1520_PAD_MUXDATA, + TH1520_MUX_GPIO); +} + +static int th1520_gpio_set_direction(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned int offset, bool input) +{ + struct th1520_pinctrl *thp = pinctrl_dev_get_drvdata(pctldev); + + return th1520_padcfg_rmw(thp, offset, TH1520_PADCFG_IE, + input ? TH1520_PADCFG_IE : 0); +} + +static const struct pinmux_ops th1520_pinmux_ops = { + .get_functions_count = pinmux_generic_get_function_count, + .get_function_name = pinmux_generic_get_function_name, + .get_function_groups = pinmux_generic_get_function_groups, + .set_mux = th1520_pinmux_set_mux, + .gpio_request_enable = th1520_gpio_request_enable, + .gpio_set_direction = th1520_gpio_set_direction, + .strict = true, +}; + +static int th1520_pinctrl_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + const struct th1520_pad_group *group = device_get_match_data(dev); + struct th1520_pinctrl *thp; + struct clk *clk; + int ret; + + thp = devm_kzalloc(dev, sizeof(*thp), GFP_KERNEL); + if (!thp) + return -ENOMEM; + + thp->base = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(thp->base)) + return PTR_ERR(thp->base); + + clk = devm_clk_get_enabled(dev, NULL); + if (IS_ERR(clk)) + return dev_err_probe(dev, PTR_ERR(clk), "error getting clock\n"); + + thp->desc.name = group->name; + thp->desc.pins = group->pins; + thp->desc.npins = group->npins; + thp->desc.pctlops = &th1520_pinctrl_ops; + thp->desc.pmxops = &th1520_pinmux_ops; + thp->desc.confops = &th1520_pinconf_ops; + thp->desc.owner = THIS_MODULE; + mutex_init(&thp->mutex); + raw_spin_lock_init(&thp->lock); + + ret = devm_pinctrl_register_and_init(dev, &thp->desc, thp, &thp->pctl); + if (ret) + return dev_err_probe(dev, ret, "could not register pinctrl driver\n"); + + return pinctrl_enable(thp->pctl); +} + +static const struct of_device_id th1520_pinctrl_of_match[] = { + { .compatible = "thead,th1520-group1-pinctrl", .data = &th1520_group1 }, + { .compatible = "thead,th1520-group2-pinctrl", .data = &th1520_group2 }, + { .compatible = "thead,th1520-group3-pinctrl", .data = &th1520_group3 }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, th1520_pinctrl_of_match); + +static struct platform_driver th1520_pinctrl_driver = { + .probe = th1520_pinctrl_probe, + .driver = { + .name = "pinctrl-th1520", + .of_match_table = th1520_pinctrl_of_match, + }, +}; +module_platform_driver(th1520_pinctrl_driver); + +MODULE_DESCRIPTION("Pinctrl driver for the T-Head TH1520 SoC"); +MODULE_AUTHOR("Emil Renner Berthing "); +MODULE_LICENSE("GPL"); From patchwork Wed Jan 3 13:28:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Emil Renner Berthing X-Patchwork-Id: 760069 Received: from smtp-relay-internal-0.canonical.com (smtp-relay-internal-0.canonical.com [185.125.188.122]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CB31619BCD for ; Wed, 3 Jan 2024 13:29:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canonical.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=canonical.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=canonical.com header.i=@canonical.com header.b="dgDWrqzp" Received: from mail-ej1-f71.google.com (mail-ej1-f71.google.com [209.85.218.71]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-0.canonical.com (Postfix) with ESMTPS id 921E73F5A7 for ; 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([2a01:4262:1ab:c:5af0:999b:bb78:7614]) by smtp.gmail.com with ESMTPSA id eu18-20020a170907299200b00a26e53be089sm9549873ejc.44.2024.01.03.05.28.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jan 2024 05:28:55 -0800 (PST) From: Emil Renner Berthing To: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org Cc: Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jisheng Zhang , Guo Ren , Fu Wei , Paul Walmsley , Palmer Dabbelt , Drew Fustini Subject: [PATCH v2 3/8] riscv: dts: thead: Add TH1520 pin control nodes Date: Wed, 3 Jan 2024 14:28:40 +0100 Message-ID: <20240103132852.298964-4-emil.renner.berthing@canonical.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240103132852.298964-1-emil.renner.berthing@canonical.com> References: <20240103132852.298964-1-emil.renner.berthing@canonical.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add nodes for pin controllers on the T-Head TH1520 RISC-V SoC. Signed-off-by: Emil Renner Berthing --- .../boot/dts/thead/th1520-beaglev-ahead.dts | 4 ++++ .../dts/thead/th1520-lichee-module-4a.dtsi | 4 ++++ arch/riscv/boot/dts/thead/th1520.dtsi | 24 +++++++++++++++++++ 3 files changed, 32 insertions(+) diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts index 70e8042c8304..6c56318a8705 100644 --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts @@ -44,6 +44,10 @@ &osc_32k { clock-frequency = <32768>; }; +&aonsys_clk { + clock-frequency = <73728000>; +}; + &apb_clk { clock-frequency = <62500000>; }; diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi index a802ab110429..9865925be372 100644 --- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi +++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi @@ -25,6 +25,10 @@ &osc_32k { clock-frequency = <32768>; }; +&aonsys_clk { + clock-frequency = <73728000>; +}; + &apb_clk { clock-frequency = <62500000>; }; diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi index ba4d2c673ac8..e65a306ff575 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -134,6 +134,12 @@ osc_32k: 32k-oscillator { #clock-cells = <0>; }; + aonsys_clk: aonsys-clk { + compatible = "fixed-clock"; + clock-output-names = "aonsys_clk"; + #clock-cells = <0>; + }; + apb_clk: apb-clk-clock { compatible = "fixed-clock"; clock-output-names = "apb_clk"; @@ -242,6 +248,12 @@ portd: gpio-controller@0 { }; }; + padctrl1_apsys: pinctrl@ffe7f3c000 { + compatible = "thead,th1520-group2-pinctrl"; + reg = <0xff 0xe7f3c000 0x0 0x1000>; + clocks = <&apb_clk>; + }; + gpio0: gpio@ffec005000 { compatible = "snps,dw-apb-gpio"; reg = <0xff 0xec005000 0x0 0x1000>; @@ -278,6 +290,12 @@ portb: gpio-controller@0 { }; }; + padctrl0_apsys: pinctrl@ffec007000 { + compatible = "thead,th1520-group3-pinctrl"; + reg = <0xff 0xec007000 0x0 0x1000>; + clocks = <&apb_clk>; + }; + uart2: serial@ffec010000 { compatible = "snps,dw-apb-uart"; reg = <0xff 0xec010000 0x0 0x4000>; @@ -414,6 +432,12 @@ porte: gpio-controller@0 { }; }; + padctrl_aosys: pinctrl@fffff4a000 { + compatible = "thead,th1520-group1-pinctrl"; + reg = <0xff 0xfff4a000 0x0 0x2000>; + clocks = <&aonsys_clk>; + }; + ao_gpio1: gpio@fffff52000 { compatible = "snps,dw-apb-gpio"; reg = <0xff 0xfff52000 0x0 0x1000>; From patchwork Wed Jan 3 13:28:41 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Emil Renner Berthing X-Patchwork-Id: 760068 Received: from smtp-relay-internal-1.canonical.com (smtp-relay-internal-1.canonical.com [185.125.188.123]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 923F419BDD for ; Wed, 3 Jan 2024 13:29:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; 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Adjust number of GPIOs available for the different controllers. Signed-off-by: Emil Renner Berthing --- arch/riscv/boot/dts/thead/th1520.dtsi | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi index e65a306ff575..5eb841ba5124 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -223,6 +223,7 @@ portc: gpio-controller@0 { gpio-controller; #gpio-cells = <2>; ngpios = <32>; + gpio-ranges = <&padctrl0_apsys 0 0 32>; reg = <0>; interrupt-controller; #interrupt-cells = <2>; @@ -240,7 +241,8 @@ portd: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; gpio-controller; #gpio-cells = <2>; - ngpios = <32>; + ngpios = <23>; + gpio-ranges = <&padctrl0_apsys 0 32 23>; reg = <0>; interrupt-controller; #interrupt-cells = <2>; @@ -265,6 +267,7 @@ porta: gpio-controller@0 { gpio-controller; #gpio-cells = <2>; ngpios = <32>; + gpio-ranges = <&padctrl1_apsys 0 0 32>; reg = <0>; interrupt-controller; #interrupt-cells = <2>; @@ -282,7 +285,8 @@ portb: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; gpio-controller; #gpio-cells = <2>; - ngpios = <32>; + ngpios = <31>; + gpio-ranges = <&padctrl1_apsys 0 32 31>; reg = <0>; interrupt-controller; #interrupt-cells = <2>; @@ -424,7 +428,8 @@ porte: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; gpio-controller; #gpio-cells = <2>; - ngpios = <32>; + ngpios = <16>; + gpio-ranges = <&padctrl_aosys 0 9 16>; reg = <0>; interrupt-controller; #interrupt-cells = <2>; @@ -448,7 +453,8 @@ portf: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; gpio-controller; #gpio-cells = <2>; - ngpios = <32>; + ngpios = <23>; + gpio-ranges = <&padctrl_aosys 0 25 22>, <&padctrl_aosys 22 7 1>; reg = <0>; interrupt-controller; #interrupt-cells = <2>; From patchwork Wed Jan 3 13:28:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Emil Renner Berthing X-Patchwork-Id: 760067 Received: from smtp-relay-internal-0.canonical.com (smtp-relay-internal-0.canonical.com [185.125.188.122]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7204F1A5B6 for ; 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([2a01:4262:1ab:c:5af0:999b:bb78:7614]) by smtp.gmail.com with ESMTPSA id eu18-20020a170907299200b00a26e53be089sm9549873ejc.44.2024.01.03.05.28.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jan 2024 05:28:57 -0800 (PST) From: Emil Renner Berthing To: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org Cc: Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jisheng Zhang , Guo Ren , Fu Wei , Paul Walmsley , Palmer Dabbelt , Drew Fustini Subject: [PATCH v2 5/8] riscv: dts: thead: Adjust TH1520 GPIO labels Date: Wed, 3 Jan 2024 14:28:42 +0100 Message-ID: <20240103132852.298964-6-emil.renner.berthing@canonical.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240103132852.298964-1-emil.renner.berthing@canonical.com> References: <20240103132852.298964-1-emil.renner.berthing@canonical.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Adjust labels for the TH1520 GPIO controllers such that GPIOs can be referenced by the names used by the documentation. Eg. GPIO0_X -> <&gpio0 X Y> GPIO1_X -> <&gpio1 X Y> GPIO2_X -> <&gpio2 X Y> GPIO3_X -> <&gpio3 X Y> GPIO4_X -> <&gpio4 X Y> AOGPIO_X -> <&aogpio X Y> Remove labels for the parent GPIO devices that shouldn't need to be referenced. Signed-off-by: Emil Renner Berthing --- .../boot/dts/thead/th1520-beaglev-ahead.dts | 2 ++ .../boot/dts/thead/th1520-lichee-pi-4a.dts | 2 ++ arch/riscv/boot/dts/thead/th1520.dtsi | 24 +++++++++---------- 3 files changed, 16 insertions(+), 12 deletions(-) diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts index 6c56318a8705..f1e8eaed487c 100644 --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts @@ -17,6 +17,8 @@ aliases { gpio1 = &gpio1; gpio2 = &gpio2; gpio3 = &gpio3; + gpio4 = &gpio4; + gpio5 = &aogpio; serial0 = &uart0; serial1 = &uart1; serial2 = &uart2; diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts index 9a3884a73e13..0ae2c20d5641 100644 --- a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts +++ b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts @@ -14,6 +14,8 @@ aliases { gpio1 = &gpio1; gpio2 = &gpio2; gpio3 = &gpio3; + gpio4 = &gpio4; + gpio5 = &aogpio; serial0 = &uart0; serial1 = &uart1; serial2 = &uart2; diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi index 5eb841ba5124..60225f122112 100644 --- a/arch/riscv/boot/dts/thead/th1520.dtsi +++ b/arch/riscv/boot/dts/thead/th1520.dtsi @@ -212,13 +212,13 @@ uart3: serial@ffe7f04000 { status = "disabled"; }; - gpio2: gpio@ffe7f34000 { + gpio@ffe7f34000 { compatible = "snps,dw-apb-gpio"; reg = <0xff 0xe7f34000 0x0 0x1000>; #address-cells = <1>; #size-cells = <0>; - portc: gpio-controller@0 { + gpio2: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; gpio-controller; #gpio-cells = <2>; @@ -231,13 +231,13 @@ portc: gpio-controller@0 { }; }; - gpio3: gpio@ffe7f38000 { + gpio@ffe7f38000 { compatible = "snps,dw-apb-gpio"; reg = <0xff 0xe7f38000 0x0 0x1000>; #address-cells = <1>; #size-cells = <0>; - portd: gpio-controller@0 { + gpio3: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; gpio-controller; #gpio-cells = <2>; @@ -256,13 +256,13 @@ padctrl1_apsys: pinctrl@ffe7f3c000 { clocks = <&apb_clk>; }; - gpio0: gpio@ffec005000 { + gpio@ffec005000 { compatible = "snps,dw-apb-gpio"; reg = <0xff 0xec005000 0x0 0x1000>; #address-cells = <1>; #size-cells = <0>; - porta: gpio-controller@0 { + gpio0: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; gpio-controller; #gpio-cells = <2>; @@ -275,13 +275,13 @@ porta: gpio-controller@0 { }; }; - gpio1: gpio@ffec006000 { + gpio@ffec006000 { compatible = "snps,dw-apb-gpio"; reg = <0xff 0xec006000 0x0 0x1000>; #address-cells = <1>; #size-cells = <0>; - portb: gpio-controller@0 { + gpio1: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; gpio-controller; #gpio-cells = <2>; @@ -418,13 +418,13 @@ timer7: timer@ffffc3303c { status = "disabled"; }; - ao_gpio0: gpio@fffff41000 { + gpio@fffff41000 { compatible = "snps,dw-apb-gpio"; reg = <0xff 0xfff41000 0x0 0x1000>; #address-cells = <1>; #size-cells = <0>; - porte: gpio-controller@0 { + aogpio: gpio-controller@0 { compatible = "snps,dw-apb-gpio-port"; 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Signed-off-by: Emil Renner Berthing --- .../dts/thead/th1520-lichee-module-4a.dtsi | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi index 9865925be372..f674e5acd0f9 100644 --- a/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi +++ b/arch/riscv/boot/dts/thead/th1520-lichee-module-4a.dtsi @@ -37,6 +37,45 @@ &uart_sclk { clock-frequency = <100000000>; }; +&aogpio { + gpio-line-names = "", "", "", + "GPIO00", + "GPIO04"; +}; + &dmac0 { status = "okay"; }; + +&gpio0 { + gpio-line-names = "", "", "", "", "", "", "", "", "", "", + "", "", "", "", "", "", "", "", "", "", + "", "", "", "", + "GPIO07", + "GPIO08", + "", + "GPIO01", + "GPIO02"; +}; + +&gpio1 { + gpio-line-names = "", "", "", + "GPIO11", + "GPIO12", + "GPIO13", + "GPIO14", + "", "", "", "", "", "", "", "", "", "", + "", "", "", "", "", + "GPIO06"; +}; + +&gpio2 { + gpio-line-names = "GPIO03", + "GPIO05"; +}; + +&gpio3 { + gpio-line-names = "", "", + "GPIO09", + "GPIO10"; +}; From patchwork Wed Jan 3 13:28:44 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Emil Renner Berthing X-Patchwork-Id: 759766 Received: from smtp-relay-internal-0.canonical.com (smtp-relay-internal-0.canonical.com [185.125.188.122]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AA2771A27F for ; Wed, 3 Jan 2024 13:29:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=canonical.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=canonical.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=canonical.com header.i=@canonical.com header.b="D5U+W56d" Received: from mail-lf1-f71.google.com (mail-lf1-f71.google.com [209.85.167.71]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by smtp-relay-internal-0.canonical.com (Postfix) with ESMTPS id 334303F5CB for ; Wed, 3 Jan 2024 13:29:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=canonical.com; s=20210705; t=1704288548; bh=0xlyxKFbvUzm4zLJgn5EKeObZzal+VTFR9Rg6ALS2M4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=D5U+W56dz22Sq5TDFhArSwNC6juXtPifx6+sxiRd13o2b4tsYBMEhE9DxQxqrmzQU fetYQSrjtyA93a5o+iUYptn1rzQG7t7t+8haaSOMa9lL/T5Ebpb0/Qvl3Q1gH+VY2W ta7vnJ8F4GoK7fre8LyV5Z2Gy6BqFcdzIyEWJ3HQOL2sVEUmZgdYvXCn0IZtw8tMFK IlJdCvbqfZhmtYxJ7Kfa1Y70bb3Nfgvgc5qcybtOU9I9T3Z8HFgcX0I52hLmtRGUTA OU4Nq3cORuoSopLR471qRSJW7aCbfo+aKtGAvs2vPE/3lUC1MzjvdhkaEi+WEyEXvt y3lDz2B14DRaQ== Received: by mail-lf1-f71.google.com with SMTP id 2adb3069b0e04-50e74e15831so6203774e87.0 for ; Wed, 03 Jan 2024 05:29:08 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1704288541; x=1704893341; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0xlyxKFbvUzm4zLJgn5EKeObZzal+VTFR9Rg6ALS2M4=; b=AeHAsoX4YbuZ/P+lOi1dQgSz09hTiUJobsRjqhUHz3/VV/GlcsO/x37fFlisOflW/G JxLVIeSBkUcm+Z7vrQjx6kLsUFATzL4Rw2uQgxomgV2blOeaW5M3h5UH4MUj5ohZtKVL p3rzYxLWH/ZtIYxKoPZn8/qHIikDC6ky7pceRAe2X6fUxLcVDmHb3N+0TlxYwoUzOVsW 7dpWop6QTxuwbyg7KOnGk3Snbl4FQMkZa7kQNm40pjOtI3xQhP7Wn7XXO3RIRmargvLX j4V2YtDQ6ZuQoHDKQ2jpOqKv8UKtsQW1r1VTAlSbhJH6Inubm4pBuQrUmuo4Rzgy+U3c UEfQ== X-Gm-Message-State: AOJu0YyzvzFmeGvYQ9dx1r0SyQSY1bdlFmFQtkkE/bJLDqylpctuKSG0 DNSw9lG/WF8vKWv77njuNl+fHCP6XF+b0Ma56yJqIgqCpwKhMSe71fJ2aK39WD3FstcIjPmfzlX A5SnzSqSFh93PXGsvvVsMOlJ3nZncrpR1EaCAYncXqK5KiQ== X-Received: by 2002:a05:6512:4d0:b0:50e:9a0d:d402 with SMTP id w16-20020a05651204d000b0050e9a0dd402mr1985082lfq.105.1704288540717; Wed, 03 Jan 2024 05:29:00 -0800 (PST) X-Google-Smtp-Source: AGHT+IFglWpNfCSmVpHzBKEgsAU+8MjxYPm2sCoW5U4VmzTKq+1KMDXtev6vYNkRZ5n9/d/lOFNERw== X-Received: by 2002:a05:6512:4d0:b0:50e:9a0d:d402 with SMTP id w16-20020a05651204d000b0050e9a0dd402mr1985076lfq.105.1704288540552; Wed, 03 Jan 2024 05:29:00 -0800 (PST) Received: from stitch.. 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Signed-off-by: Emil Renner Berthing --- .../boot/dts/thead/th1520-beaglev-ahead.dts | 26 +++++++++++++++++++ .../boot/dts/thead/th1520-lichee-pi-4a.dts | 26 +++++++++++++++++++ 2 files changed, 52 insertions(+) diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts index f1e8eaed487c..c697a50ca9b1 100644 --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts @@ -62,6 +62,32 @@ &dmac0 { status = "okay"; }; +&padctrl0_apsys { + uart0_pins: uart0-0 { + tx-pins { + pins = "UART0_TXD"; + function = "uart"; + bias-disable; + drive-strength = <3>; + input-disable; + input-schmitt-disable; + slew-rate = <0>; + }; + + rx-pins { + pins = "UART0_RXD"; + function = "uart"; + bias-disable; + drive-strength = <1>; + input-enable; + input-schmitt-enable; + slew-rate = <0>; + }; + }; +}; + &uart0 { + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins>; status = "okay"; }; diff --git a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts index 0ae2c20d5641..932838c55f90 100644 --- a/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts +++ b/arch/riscv/boot/dts/thead/th1520-lichee-pi-4a.dts @@ -29,6 +29,32 @@ chosen { }; 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([2a01:4262:1ab:c:5af0:999b:bb78:7614]) by smtp.gmail.com with ESMTPSA id eu18-20020a170907299200b00a26e53be089sm9549873ejc.44.2024.01.03.05.29.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Jan 2024 05:29:01 -0800 (PST) From: Emil Renner Berthing To: linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org Cc: Linus Walleij , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Jisheng Zhang , Guo Ren , Fu Wei , Paul Walmsley , Palmer Dabbelt , Drew Fustini Subject: [PATCH v2 8/8] riscv: dtb: thead: Add BeagleV Ahead LEDs Date: Wed, 3 Jan 2024 14:28:45 +0100 Message-ID: <20240103132852.298964-9-emil.renner.berthing@canonical.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240103132852.298964-1-emil.renner.berthing@canonical.com> References: <20240103132852.298964-1-emil.renner.berthing@canonical.com> Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add nodes for the 5 user controllable LEDs on the BeagleV Ahead board. Signed-off-by: Emil Renner Berthing --- .../boot/dts/thead/th1520-beaglev-ahead.dts | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts index c697a50ca9b1..0b309c770202 100644 --- a/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts +++ b/arch/riscv/boot/dts/thead/th1520-beaglev-ahead.dts @@ -7,6 +7,8 @@ /dts-v1/; #include "th1520.dtsi" +#include +#include / { model = "BeagleV Ahead"; @@ -34,7 +36,42 @@ chosen { memory@0 { device_type = "memory"; reg = <0x0 0x00000000 0x1 0x00000000>; + }; + leds { + pinctrl-names = "default"; + pinctrl-0 = <&led_pins>; + compatible = "gpio-leds"; + + led-1 { + gpios = <&gpio4 8 GPIO_ACTIVE_LOW>; + color = ; + label = "led1"; + }; + + led-2 { + gpios = <&gpio4 9 GPIO_ACTIVE_LOW>; + color = ; + label = "led2"; + }; + + led-3 { + gpios = <&gpio4 10 GPIO_ACTIVE_LOW>; + color = ; + label = "led3"; + }; + + led-4 { + gpios = <&gpio4 11 GPIO_ACTIVE_LOW>; + color = ; + label = "led4"; + }; + + led-5 { + gpios = <&gpio4 12 GPIO_ACTIVE_LOW>; + color = ; + label = "led5"; + }; }; }; @@ -62,6 +99,24 @@ &dmac0 { status = "okay"; }; +&padctrl_aosys { + led_pins: led-0 { + led-pins { + pins = "AUDIO_PA8", /* GPIO4_8 */ + "AUDIO_PA9", /* GPIO4_9 */ + "AUDIO_PA10", /* GPIO4_10 */ + "AUDIO_PA11", /* GPIO4_11 */ + "AUDIO_PA12"; /* GPIO4_12 */ + function = "gpio"; + bias-disable; + drive-strength = <3>; + input-disable; + input-schmitt-disable; + slew-rate = <0>; + }; + }; +}; + &padctrl0_apsys { uart0_pins: uart0-0 { tx-pins {