| Message ID | 20230203174645.597053-1-krzysztof.kozlowski@linaro.org |
|---|---|
| State | Accepted |
| Commit | 268e97ccc311492707f3bc4b761e77605effcfb2 |
| Headers | show |
| Series | [1/2] dt-bindings: pinctrl: qcom,sm8550-lpass-lpi-pinctrl: add SM8550 LPASS | expand |
On 3.02.2023 18:46, Krzysztof Kozlowski wrote: > Add druver for pin controller in Low Power Audio SubSystem (LPASS). The > driver is similar to SM8450 LPASS pin controller, with differences in > few pin groups (qua_mi2s -> i2s0). > > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > --- Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org> Konrad > drivers/pinctrl/qcom/Kconfig | 11 + > drivers/pinctrl/qcom/Makefile | 1 + > .../pinctrl/qcom/pinctrl-sm8550-lpass-lpi.c | 240 ++++++++++++++++++ > 3 files changed, 252 insertions(+) > create mode 100644 drivers/pinctrl/qcom/pinctrl-sm8550-lpass-lpi.c > > diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig > index 8d4f871e07cf..6e306992fad9 100644 > --- a/drivers/pinctrl/qcom/Kconfig > +++ b/drivers/pinctrl/qcom/Kconfig > @@ -486,6 +486,17 @@ config PINCTRL_SM8550 > Qualcomm Technologies Inc TLMM block found on the Qualcomm > Technologies Inc SM8550 platform. > > +config PINCTRL_SM8550_LPASS_LPI > + tristate "Qualcomm Technologies Inc SM8550 LPASS LPI pin controller driver" > + depends on GPIOLIB > + depends on ARM64 || COMPILE_TEST > + depends on PINCTRL_LPASS_LPI > + help > + This is the pinctrl, pinmux, pinconf and gpiolib driver for the > + Qualcomm Technologies Inc LPASS (Low Power Audio SubSystem) LPI > + (Low Power Island) found on the Qualcomm Technologies Inc SM8550 > + platform. > + > config PINCTRL_LPASS_LPI > tristate "Qualcomm Technologies Inc LPASS LPI pin controller driver" > select PINMUX > diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile > index 6763aa8d319c..37bfbcf8234b 100644 > --- a/drivers/pinctrl/qcom/Makefile > +++ b/drivers/pinctrl/qcom/Makefile > @@ -50,5 +50,6 @@ obj-$(CONFIG_PINCTRL_SM8350) += pinctrl-sm8350.o > obj-$(CONFIG_PINCTRL_SM8450) += pinctrl-sm8450.o > obj-$(CONFIG_PINCTRL_SM8450_LPASS_LPI) += pinctrl-sm8450-lpass-lpi.o > obj-$(CONFIG_PINCTRL_SM8550) += pinctrl-sm8550.o > +obj-$(CONFIG_PINCTRL_SM8550_LPASS_LPI) += pinctrl-sm8550-lpass-lpi.o > obj-$(CONFIG_PINCTRL_SC8280XP_LPASS_LPI) += pinctrl-sc8280xp-lpass-lpi.o > obj-$(CONFIG_PINCTRL_LPASS_LPI) += pinctrl-lpass-lpi.o > diff --git a/drivers/pinctrl/qcom/pinctrl-sm8550-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-sm8550-lpass-lpi.c > new file mode 100644 > index 000000000000..c2bdd936d27f > --- /dev/null > +++ b/drivers/pinctrl/qcom/pinctrl-sm8550-lpass-lpi.c > @@ -0,0 +1,240 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Copyright (c) 2022-2023 Linaro Ltd. > + */ > + > +#include <linux/gpio/driver.h> > +#include <linux/module.h> > +#include <linux/platform_device.h> > + > +#include "pinctrl-lpass-lpi.h" > + > +enum lpass_lpi_functions { > + LPI_MUX_dmic1_clk, > + LPI_MUX_dmic1_data, > + LPI_MUX_dmic2_clk, > + LPI_MUX_dmic2_data, > + LPI_MUX_dmic3_clk, > + LPI_MUX_dmic3_data, > + LPI_MUX_dmic4_clk, > + LPI_MUX_dmic4_data, > + LPI_MUX_i2s0_clk, > + LPI_MUX_i2s0_data, > + LPI_MUX_i2s0_ws, > + LPI_MUX_i2s1_clk, > + LPI_MUX_i2s1_data, > + LPI_MUX_i2s1_ws, > + LPI_MUX_i2s2_clk, > + LPI_MUX_i2s2_data, > + LPI_MUX_i2s2_ws, > + LPI_MUX_i2s3_clk, > + LPI_MUX_i2s3_data, > + LPI_MUX_i2s3_ws, > + LPI_MUX_i2s4_clk, > + LPI_MUX_i2s4_data, > + LPI_MUX_i2s4_ws, > + LPI_MUX_slimbus_clk, > + LPI_MUX_slimbus_data, > + LPI_MUX_swr_rx_clk, > + LPI_MUX_swr_rx_data, > + LPI_MUX_swr_tx_clk, > + LPI_MUX_swr_tx_data, > + LPI_MUX_wsa_swr_clk, > + LPI_MUX_wsa_swr_data, > + LPI_MUX_wsa2_swr_clk, > + LPI_MUX_wsa2_swr_data, > + LPI_MUX_ext_mclk1_a, > + LPI_MUX_ext_mclk1_b, > + LPI_MUX_ext_mclk1_c, > + LPI_MUX_ext_mclk1_d, > + LPI_MUX_ext_mclk1_e, > + LPI_MUX_gpio, > + LPI_MUX__, > +}; > + > +static int gpio0_pins[] = { 0 }; > +static int gpio1_pins[] = { 1 }; > +static int gpio2_pins[] = { 2 }; > +static int gpio3_pins[] = { 3 }; > +static int gpio4_pins[] = { 4 }; > +static int gpio5_pins[] = { 5 }; > +static int gpio6_pins[] = { 6 }; > +static int gpio7_pins[] = { 7 }; > +static int gpio8_pins[] = { 8 }; > +static int gpio9_pins[] = { 9 }; > +static int gpio10_pins[] = { 10 }; > +static int gpio11_pins[] = { 11 }; > +static int gpio12_pins[] = { 12 }; > +static int gpio13_pins[] = { 13 }; > +static int gpio14_pins[] = { 14 }; > +static int gpio15_pins[] = { 15 }; > +static int gpio16_pins[] = { 16 }; > +static int gpio17_pins[] = { 17 }; > +static int gpio18_pins[] = { 18 }; > +static int gpio19_pins[] = { 19 }; > +static int gpio20_pins[] = { 20 }; > +static int gpio21_pins[] = { 21 }; > +static int gpio22_pins[] = { 22 }; > + > +static const struct pinctrl_pin_desc sm8550_lpi_pins[] = { > + PINCTRL_PIN(0, "gpio0"), > + PINCTRL_PIN(1, "gpio1"), > + PINCTRL_PIN(2, "gpio2"), > + PINCTRL_PIN(3, "gpio3"), > + PINCTRL_PIN(4, "gpio4"), > + PINCTRL_PIN(5, "gpio5"), > + PINCTRL_PIN(6, "gpio6"), > + PINCTRL_PIN(7, "gpio7"), > + PINCTRL_PIN(8, "gpio8"), > + PINCTRL_PIN(9, "gpio9"), > + PINCTRL_PIN(10, "gpio10"), > + PINCTRL_PIN(11, "gpio11"), > + PINCTRL_PIN(12, "gpio12"), > + PINCTRL_PIN(13, "gpio13"), > + PINCTRL_PIN(14, "gpio14"), > + PINCTRL_PIN(15, "gpio15"), > + PINCTRL_PIN(16, "gpio16"), > + PINCTRL_PIN(17, "gpio17"), > + PINCTRL_PIN(18, "gpio18"), > + PINCTRL_PIN(19, "gpio19"), > + PINCTRL_PIN(20, "gpio20"), > + PINCTRL_PIN(21, "gpio21"), > + PINCTRL_PIN(22, "gpio22"), > +}; > + > +static const char * const dmic1_clk_groups[] = { "gpio6" }; > +static const char * const dmic1_data_groups[] = { "gpio7" }; > +static const char * const dmic2_clk_groups[] = { "gpio8" }; > +static const char * const dmic2_data_groups[] = { "gpio9" }; > +static const char * const dmic3_clk_groups[] = { "gpio12" }; > +static const char * const dmic3_data_groups[] = { "gpio13" }; > +static const char * const dmic4_clk_groups[] = { "gpio17" }; > +static const char * const dmic4_data_groups[] = { "gpio18" }; > +static const char * const i2s0_clk_groups[] = { "gpio0" }; > +static const char * const i2s0_ws_groups[] = { "gpio1" }; > +static const char * const i2s0_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" }; > +static const char * const i2s1_clk_groups[] = { "gpio6" }; > +static const char * const i2s1_ws_groups[] = { "gpio7" }; > +static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" }; > +static const char * const i2s2_clk_groups[] = { "gpio10" }; > +static const char * const i2s2_ws_groups[] = { "gpio11" }; > +static const char * const i2s2_data_groups[] = { "gpio15", "gpio16" }; > +static const char * const i2s3_clk_groups[] = { "gpio12" }; > +static const char * const i2s3_ws_groups[] = { "gpio13" }; > +static const char * const i2s3_data_groups[] = { "gpio17", "gpio18" }; > +static const char * const i2s4_clk_groups[] = { "gpio19"}; > +static const char * const i2s4_ws_groups[] = { "gpio20"}; > +static const char * const i2s4_data_groups[] = { "gpio21", "gpio22"}; > +static const char * const slimbus_clk_groups[] = { "gpio19"}; > +static const char * const slimbus_data_groups[] = { "gpio20"}; > +static const char * const swr_tx_clk_groups[] = { "gpio0" }; > +static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2", "gpio14" }; > +static const char * const swr_rx_clk_groups[] = { "gpio3" }; > +static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5", "gpio15" }; > +static const char * const wsa_swr_clk_groups[] = { "gpio10" }; > +static const char * const wsa_swr_data_groups[] = { "gpio11" }; > +static const char * const wsa2_swr_clk_groups[] = { "gpio15" }; > +static const char * const wsa2_swr_data_groups[] = { "gpio16" }; > +static const char * const ext_mclk1_c_groups[] = { "gpio5" }; > +static const char * const ext_mclk1_b_groups[] = { "gpio9" }; > +static const char * const ext_mclk1_a_groups[] = { "gpio13" }; > +static const char * const ext_mclk1_d_groups[] = { "gpio14" }; > +static const char * const ext_mclk1_e_groups[] = { "gpio22" }; > + > +static const struct lpi_pingroup sm8550_groups[] = { > + LPI_PINGROUP(0, 0, swr_tx_clk, i2s0_clk, _, _), > + LPI_PINGROUP(1, 2, swr_tx_data, i2s0_ws, _, _), > + LPI_PINGROUP(2, 4, swr_tx_data, i2s0_data, _, _), > + LPI_PINGROUP(3, 8, swr_rx_clk, i2s0_data, _, _), > + LPI_PINGROUP(4, 10, swr_rx_data, i2s0_data, _, _), > + LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk1_c, i2s0_data, _), > + LPI_PINGROUP(6, LPI_NO_SLEW, dmic1_clk, i2s1_clk, _, _), > + LPI_PINGROUP(7, LPI_NO_SLEW, dmic1_data, i2s1_ws, _, _), > + LPI_PINGROUP(8, LPI_NO_SLEW, dmic2_clk, i2s1_data, _, _), > + LPI_PINGROUP(9, LPI_NO_SLEW, dmic2_data, i2s1_data, ext_mclk1_b, _), > + LPI_PINGROUP(10, 16, i2s2_clk, wsa_swr_clk, _, _), > + LPI_PINGROUP(11, 18, i2s2_ws, wsa_swr_data, _, _), > + LPI_PINGROUP(12, LPI_NO_SLEW, dmic3_clk, i2s3_clk, _, _), > + LPI_PINGROUP(13, LPI_NO_SLEW, dmic3_data, i2s3_ws, ext_mclk1_a, _), > + LPI_PINGROUP(14, 6, swr_tx_data, ext_mclk1_d, _, _), > + LPI_PINGROUP(15, 20, i2s2_data, wsa2_swr_clk, _, _), > + LPI_PINGROUP(16, 22, i2s2_data, wsa2_swr_data, _, _), > + LPI_PINGROUP(17, LPI_NO_SLEW, dmic4_clk, i2s3_data, _, _), > + LPI_PINGROUP(18, LPI_NO_SLEW, dmic4_data, i2s3_data, _, _), > + LPI_PINGROUP(19, LPI_NO_SLEW, i2s4_clk, slimbus_clk, _, _), > + LPI_PINGROUP(20, LPI_NO_SLEW, i2s4_ws, slimbus_data, _, _), > + LPI_PINGROUP(21, LPI_NO_SLEW, i2s4_data, _, _, _), > + LPI_PINGROUP(22, LPI_NO_SLEW, i2s4_data, ext_mclk1_e, _, _), > +}; > + > +static const struct lpi_function sm8550_functions[] = { > + LPI_FUNCTION(dmic1_clk), > + LPI_FUNCTION(dmic1_data), > + LPI_FUNCTION(dmic2_clk), > + LPI_FUNCTION(dmic2_data), > + LPI_FUNCTION(dmic3_clk), > + LPI_FUNCTION(dmic3_data), > + LPI_FUNCTION(dmic4_clk), > + LPI_FUNCTION(dmic4_data), > + LPI_FUNCTION(i2s0_clk), > + LPI_FUNCTION(i2s0_data), > + LPI_FUNCTION(i2s0_ws), > + LPI_FUNCTION(i2s1_clk), > + LPI_FUNCTION(i2s1_data), > + LPI_FUNCTION(i2s1_ws), > + LPI_FUNCTION(i2s2_clk), > + LPI_FUNCTION(i2s2_data), > + LPI_FUNCTION(i2s2_ws), > + LPI_FUNCTION(i2s3_clk), > + LPI_FUNCTION(i2s3_data), > + LPI_FUNCTION(i2s3_ws), > + LPI_FUNCTION(i2s4_clk), > + LPI_FUNCTION(i2s4_data), > + LPI_FUNCTION(i2s4_ws), > + LPI_FUNCTION(slimbus_clk), > + LPI_FUNCTION(slimbus_data), > + LPI_FUNCTION(swr_rx_clk), > + LPI_FUNCTION(swr_rx_data), > + LPI_FUNCTION(swr_tx_clk), > + LPI_FUNCTION(swr_tx_data), > + LPI_FUNCTION(wsa_swr_clk), > + LPI_FUNCTION(wsa_swr_data), > + LPI_FUNCTION(wsa2_swr_clk), > + LPI_FUNCTION(wsa2_swr_data), > + LPI_FUNCTION(ext_mclk1_a), > + LPI_FUNCTION(ext_mclk1_b), > + LPI_FUNCTION(ext_mclk1_c), > + LPI_FUNCTION(ext_mclk1_d), > + LPI_FUNCTION(ext_mclk1_e), > +}; > + > +static const struct lpi_pinctrl_variant_data sm8550_lpi_data = { > + .pins = sm8550_lpi_pins, > + .npins = ARRAY_SIZE(sm8550_lpi_pins), > + .groups = sm8550_groups, > + .ngroups = ARRAY_SIZE(sm8550_groups), > + .functions = sm8550_functions, > + .nfunctions = ARRAY_SIZE(sm8550_functions), > +}; > + > +static const struct of_device_id lpi_pinctrl_of_match[] = { > + { > + .compatible = "qcom,sm8550-lpass-lpi-pinctrl", > + .data = &sm8550_lpi_data, > + }, > + { } > +}; > +MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match); > + > +static struct platform_driver lpi_pinctrl_driver = { > + .driver = { > + .name = "qcom-sm8550-lpass-lpi-pinctrl", > + .of_match_table = lpi_pinctrl_of_match, > + }, > + .probe = lpi_pinctrl_probe, > + .remove = lpi_pinctrl_remove, > +}; > + > +module_platform_driver(lpi_pinctrl_driver); > +MODULE_DESCRIPTION("Qualcomm SM8550 LPI GPIO pin control driver"); > +MODULE_LICENSE("GPL");
On Fri, Feb 3, 2023 at 6:46 PM Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> wrote: > Add druver for pin controller in Low Power Audio SubSystem (LPASS). The > driver is similar to SM8450 LPASS pin controller, with differences in > few pin groups (qua_mi2s -> i2s0). > > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Patch applied. Yours, Linus Walleij
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm8550-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm8550-lpass-lpi-pinctrl.yaml new file mode 100644 index 000000000000..5e90051ed314 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm8550-lpass-lpi-pinctrl.yaml @@ -0,0 +1,148 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/qcom,sm8550-lpass-lpi-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm SM8550 SoC LPASS LPI TLMM + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> + - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> + +description: + Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem + (LPASS) Low Power Island (LPI) of Qualcomm SM8550 SoC. + +properties: + compatible: + const: qcom,sm8550-lpass-lpi-pinctrl + + reg: + items: + - description: LPASS LPI TLMM Control and Status registers + - description: LPASS LPI pins SLEW registers + + clocks: + items: + - description: LPASS Core voting clock + - description: LPASS Audio voting clock + + clock-names: + items: + - const: core + - const: audio + + gpio-controller: true + + "#gpio-cells": + description: Specifying the pin number and flags, as defined in + include/dt-bindings/gpio/gpio.h + const: 2 + + gpio-ranges: + maxItems: 1 + +patternProperties: + "-state$": + oneOf: + - $ref: "#/$defs/qcom-sm8550-lpass-state" + - patternProperties: + "-pins$": + $ref: "#/$defs/qcom-sm8550-lpass-state" + additionalProperties: false + +$defs: + qcom-sm8550-lpass-state: + type: object + description: + Pinctrl node's client devices use subnodes for desired pin configuration. + Client device subnodes use below standard properties. + $ref: /schemas/pinctrl/pincfg-node.yaml + + properties: + pins: + description: + List of gpio pins affected by the properties specified in this + subnode. + items: + pattern: "^gpio([0-9]|1[0-9]|2[0-2])$" + + function: + enum: [ dmic1_clk, dmic1_data, dmic2_clk, dmic2_data, dmic3_clk, + dmic3_data, dmic4_clk, dmic4_data, ext_mclk1_a, ext_mclk1_b, + ext_mclk1_c, ext_mclk1_d, ext_mclk1_e, gpio, i2s0_clk, + i2s0_data, i2s0_ws, i2s1_clk, i2s1_data, i2s1_ws, i2s2_clk, + i2s2_data, i2s2_ws, i2s3_clk, i2s3_data, i2s3_ws, i2s4_clk, + i2s4_data, i2s4_ws, slimbus_clk, slimbus_data, swr_rx_clk, + swr_rx_data, swr_tx_clk, swr_tx_data, wsa_swr_clk, + wsa_swr_data, wsa2_swr_clk, wsa2_swr_data ] + description: + Specify the alternative function to be configured for the specified + pins. + + drive-strength: + enum: [2, 4, 6, 8, 10, 12, 14, 16] + default: 2 + description: + Selects the drive strength for the specified pins, in mA. + + slew-rate: + enum: [0, 1, 2, 3] + default: 0 + description: | + 0: No adjustments + 1: Higher Slew rate (faster edges) + 2: Lower Slew rate (slower edges) + 3: Reserved (No adjustments) + + bias-pull-down: true + bias-pull-up: true + bias-disable: true + output-high: true + output-low: true + + required: + - pins + - function + + additionalProperties: false + +allOf: + - $ref: pinctrl.yaml# + +required: + - compatible + - reg + - clocks + - clock-names + - gpio-controller + - "#gpio-cells" + - gpio-ranges + +additionalProperties: false + +examples: + - | + #include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h> + + lpass_tlmm: pinctrl@6e80000 { + compatible = "qcom,sm8550-lpass-lpi-pinctrl"; + reg = <0x06e80000 0x20000>, + <0x0725a000 0x10000>; + + clocks = <&q6prmcc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>, + <&q6prmcc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>; + clock-names = "core", "audio"; + + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&lpass_tlmm 0 0 23>; + + tx-swr-sleep-clk-state { + pins = "gpio0"; + function = "swr_tx_clk"; + drive-strength = <2>; + bias-pull-down; + }; + };
Add bidings for pin controller in Low Power Audio SubSystem (LPASS). Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> --- .../qcom,sm8550-lpass-lpi-pinctrl.yaml | 148 ++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,sm8550-lpass-lpi-pinctrl.yaml