From patchwork Tue Jun 7 01:58:01 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qin Jian X-Patchwork-Id: 579610 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A85FBC43334 for ; Tue, 7 Jun 2022 02:05:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235893AbiFGCFX (ORCPT ); Mon, 6 Jun 2022 22:05:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235887AbiFGCFM (ORCPT ); Mon, 6 Jun 2022 22:05:12 -0400 Received: from mx1.cqplus1.com (unknown [113.204.237.245]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id C0944B872 for ; Mon, 6 Jun 2022 19:04:45 -0700 (PDT) X-MailGates: (flag:4,DYNAMIC,BADHELO,RELAY,NOHOST:PASS)(compute_score:DE LIVER,40,3) Received: from 172.28.114.216 by mx1.cqplus1.com with MailGates ESMTP Server V5.0(2334:0:AUTH_RELAY) (envelope-from ); Tue, 07 Jun 2022 09:58:33 +0800 (CST) From: Qin Jian To: sboyd@kernel.org Cc: krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, mturquette@baylibre.com, linux@armlinux.org.uk, arnd@arndb.de, olof@lixom.net, soc@kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Qin Jian Subject: [PATCH v17 01/10] dt-bindings: arm: sunplus: Add bindings for Sunplus SP7021 SoC boards Date: Tue, 7 Jun 2022 09:58:01 +0800 Message-Id: <2b3d1c0f7b83f9e317ecd68965b6cbf7d7f3d13b.1654565776.git.qinjian@cqplus1.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This introduces bindings for boards based Sunplus SP7021 SoC. Acked-by: Rob Herring Reviewed-by: Krzysztof Kozlowski Signed-off-by: Qin Jian --- .../bindings/arm/sunplus,sp7021.yaml | 29 +++++++++++++++++++ MAINTAINERS | 7 +++++ 2 files changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml diff --git a/Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml b/Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml new file mode 100644 index 000000000..def7d0cfe --- /dev/null +++ b/Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml @@ -0,0 +1,29 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) Sunplus Co., Ltd. 2021 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/arm/sunplus,sp7021.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sunplus SP7021 Boards + +maintainers: + - qinjian + +description: | + ARM platforms using Sunplus SP7021, an ARM Cortex A7 (4-cores) based SoC. + Wiki: https://sunplus-tibbo.atlassian.net/wiki/spaces/doc/overview + +properties: + $nodename: + const: '/' + compatible: + items: + - enum: + - sunplus,sp7021-achip + - sunplus,sp7021-demo-v3 + - const: sunplus,sp7021 + +additionalProperties: true + +... diff --git a/MAINTAINERS b/MAINTAINERS index f468864fd..d75a7a5c8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2805,6 +2805,13 @@ F: drivers/clocksource/armv7m_systick.c N: stm32 N: stm +ARM/SUNPLUS SP7021 SOC SUPPORT +M: Qin Jian +L: linux-arm-kernel@lists.infradead.org (moderated for mon-subscribers) +S: Maintained +W: https://sunplus-tibbo.atlassian.net/wiki/spaces/doc/overview +F: Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml + ARM/Synaptics SoC support M: Jisheng Zhang M: Sebastian Hesselbarth From patchwork Tue Jun 7 01:58:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qin Jian X-Patchwork-Id: 579612 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D598AC43334 for ; Tue, 7 Jun 2022 02:05:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235829AbiFGCFQ (ORCPT ); Mon, 6 Jun 2022 22:05:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235871AbiFGCFH (ORCPT ); Mon, 6 Jun 2022 22:05:07 -0400 Received: from mx1.cqplus1.com (unknown [113.204.237.245]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 5756FB8BD9 for ; Mon, 6 Jun 2022 19:04:55 -0700 (PDT) X-MailGates: (flag:4,DYNAMIC,BADHELO,RELAY,NOHOST:PASS)(compute_score:DE LIVER,40,3) Received: from 172.28.114.216 by mx1.cqplus1.com with MailGates ESMTP Server V5.0(2334:0:AUTH_RELAY) (envelope-from ); Tue, 07 Jun 2022 09:58:34 +0800 (CST) From: Qin Jian To: sboyd@kernel.org Cc: krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, mturquette@baylibre.com, linux@armlinux.org.uk, arnd@arndb.de, olof@lixom.net, soc@kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Qin Jian Subject: [PATCH v17 05/10] clk: Add Sunplus SP7021 clock driver Date: Tue, 7 Jun 2022 09:58:05 +0800 Message-Id: <65ef2bf7fc393eb373b966fe839852bcd1bacad8.1654565776.git.qinjian@cqplus1.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add clock driver for Sunplus SP7021 SoC. Signed-off-by: Qin Jian --- Fix the comments from Stephen Boyd. --- MAINTAINERS | 1 + drivers/clk/Kconfig | 10 + drivers/clk/Makefile | 1 + drivers/clk/clk-sp7021.c | 727 +++++++++++++++++++++++++++++++++++++++ 4 files changed, 739 insertions(+) create mode 100644 drivers/clk/clk-sp7021.c diff --git a/MAINTAINERS b/MAINTAINERS index 91b92b4fb..b90bb93a3 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2813,6 +2813,7 @@ W: https://sunplus-tibbo.atlassian.net/wiki/spaces/doc/overview F: Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml F: Documentation/devicetree/bindings/clock/sunplus,sp7021-clkc.yaml F: Documentation/devicetree/bindings/reset/sunplus,reset.yaml +F: drivers/clk/clk-sp7021.c F: drivers/reset/reset-sunplus.c F: include/dt-bindings/clock/sunplus,sp7021-clkc.h F: include/dt-bindings/reset/sunplus,sp7021-reset.h diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index 5d596e778..5b28f9c04 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -414,6 +414,16 @@ config COMMON_CLK_K210 help Support for the Canaan Kendryte K210 RISC-V SoC clocks. +config COMMON_CLK_SP7021 + tristate "Clock driver for Sunplus SP7021 SoC" + depends on SOC_SP7021 || COMPILE_TEST + default SOC_SP7021 + help + This driver supports the Sunplus SP7021 SoC clocks. + It implements SP7021 PLLs/gate. + Not all features of the PLL are currently supported + by the driver. + source "drivers/clk/actions/Kconfig" source "drivers/clk/analogbits/Kconfig" source "drivers/clk/baikal-t1/Kconfig" diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index 2bd5ffd59..b9af64503 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -64,6 +64,7 @@ obj-$(CONFIG_COMMON_CLK_SI5351) += clk-si5351.o obj-$(CONFIG_COMMON_CLK_SI514) += clk-si514.o obj-$(CONFIG_COMMON_CLK_SI544) += clk-si544.o obj-$(CONFIG_COMMON_CLK_SI570) += clk-si570.o +obj-$(CONFIG_COMMON_CLK_SP7021) += clk-sp7021.o obj-$(CONFIG_COMMON_CLK_STM32F) += clk-stm32f4.o obj-$(CONFIG_COMMON_CLK_STM32H7) += clk-stm32h7.o obj-$(CONFIG_COMMON_CLK_STM32MP157) += clk-stm32mp1.o diff --git a/drivers/clk/clk-sp7021.c b/drivers/clk/clk-sp7021.c new file mode 100644 index 000000000..4538746fa --- /dev/null +++ b/drivers/clk/clk-sp7021.c @@ -0,0 +1,727 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Copyright (C) Sunplus Technology Co., Ltd. + * All rights reserved. + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* speical div_width values for PLLTV/PLLA */ +#define DIV_TV 33 +#define DIV_A 34 + +/* PLLTV parameters */ +enum { + SEL_FRA, + SDM_MOD, + PH_SEL, + NFRA, + DIVR, + DIVN, + DIVM, + P_MAX +}; + +#define MASK_SEL_FRA GENMASK(1, 1) +#define MASK_SDM_MOD GENMASK(2, 2) +#define MASK_PH_SEL GENMASK(4, 4) +#define MASK_NFRA GENMASK(12, 6) +#define MASK_DIVR GENMASK(8, 7) +#define MASK_DIVN GENMASK(7, 0) +#define MASK_DIVM GENMASK(14, 8) + +/* HIWORD_MASK FIELD_PREP */ +#define HWM_FIELD_PREP(mask, value) \ +({ \ + u32 _m = mask; \ + (_m << 16) | FIELD_PREP(_m, value); \ +}) + +struct sp_pll { + struct clk_hw hw; + void __iomem *reg; + spinlock_t lock; /* lock for reg */ + int div_shift; + int div_width; + int pd_bit; /* power down bit idx */ + int bp_bit; /* bypass bit idx */ + unsigned long brate; /* base rate, TODO: replace brate with muldiv */ + u32 p[P_MAX]; /* for hold PLLTV/PLLA parameters */ +}; + +#define to_sp_pll(_hw) container_of(_hw, struct sp_pll, hw) + +struct sp_clk_gate_info { + u16 reg; /* reg_index_shift */ + u16 ext_parent; /* parent is extclk */ +}; + +static const struct sp_clk_gate_info sp_clk_gates[] = { + { 0x02 }, + { 0x05 }, + { 0x06 }, + { 0x07 }, + { 0x09 }, + { 0x0b, 1 }, + { 0x0f, 1 }, + { 0x14 }, + { 0x15 }, + { 0x16 }, + { 0x17 }, + { 0x18, 1 }, + { 0x19, 1 }, + { 0x1a, 1 }, + { 0x1b, 1 }, + { 0x1c, 1 }, + { 0x1d, 1 }, + { 0x1e }, + { 0x1f, 1 }, + { 0x20 }, + { 0x21 }, + { 0x22 }, + { 0x23 }, + { 0x24 }, + { 0x25 }, + { 0x26 }, + { 0x2a }, + { 0x2b }, + { 0x2d }, + { 0x2e }, + { 0x30 }, + { 0x31 }, + { 0x32 }, + { 0x33 }, + { 0x3d }, + { 0x3e }, + { 0x3f }, + { 0x42 }, + { 0x44 }, + { 0x4b }, + { 0x4c }, + { 0x4d }, + { 0x4e }, + { 0x4f }, + { 0x50 }, + { 0x55 }, + { 0x60 }, + { 0x61 }, + { 0x6a }, + { 0x73 }, + { 0x86 }, + { 0x8a }, + { 0x8b }, + { 0x8d }, + { 0x8e }, + { 0x8f }, + { 0x90 }, + { 0x92 }, + { 0x93 }, + { 0x95 }, + { 0x96 }, + { 0x97 }, + { 0x98 }, + { 0x99 }, +}; + +#define _M 1000000UL +#define F_27M (27 * _M) + +/*********************************** PLL_TV **********************************/ + +/* TODO: set proper FVCO range */ +#define FVCO_MIN (100 * _M) +#define FVCO_MAX (200 * _M) + +#define F_MIN (FVCO_MIN / 8) +#define F_MAX (FVCO_MAX) + +static long plltv_integer_div(struct sp_pll *clk, unsigned long freq) +{ + /* valid m values: 27M must be divisible by m */ + static const u32 m_table[] = { + 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32 + }; + u32 m, n, r; + unsigned long fvco, nf; + long ret; + + freq = clamp(freq, F_MIN, F_MAX); + + /* DIVR 0~3 */ + for (r = 0; r <= 3; r++) { + fvco = freq << r; + if (fvco <= FVCO_MAX) + break; + } + + /* DIVM */ + for (m = 0; m < ARRAY_SIZE(m_table); m++) { + nf = fvco * m_table[m]; + n = nf / F_27M; + if ((n * F_27M) == nf) + break; + } + m = m_table[m]; + + if (!m) { + ret = -EINVAL; + goto err_not_found; + } + + /* save parameters */ + clk->p[SEL_FRA] = 0; + clk->p[DIVR] = r; + clk->p[DIVN] = n; + clk->p[DIVM] = m; + + return freq; + +err_not_found: + pr_err("%s: %s freq:%lu not found a valid setting\n", + __func__, clk_hw_get_name(&clk->hw), freq); + + return ret; +} + +/* parameters for PLLTV fractional divider */ +static const u32 pt[][5] = { + /* conventional fractional */ + { + 1, /* factor */ + 5, /* 5 * p0 (nint) */ + 1, /* 1 * p0 */ + F_27M, /* F_27M / p0 */ + 1, /* p0 / p2 */ + }, + /* phase rotation */ + { + 10, /* factor */ + 54, /* 5.4 * p0 (nint) */ + 2, /* 0.2 * p0 */ + F_27M / 10, /* F_27M / p0 */ + 5, /* p0 / p2 */ + }, +}; + +static const u32 sdm_mod_vals[] = { 91, 55 }; + +static long plltv_fractional_div(struct sp_pll *clk, unsigned long freq) +{ + u32 m, r; + u32 nint, nfra; + u32 df_quotient_min = 210000000; + u32 df_remainder_min = 0; + unsigned long fvco, nf, f, fout = 0; + int sdm, ph; + + freq = clamp(freq, F_MIN, F_MAX); + + /* DIVR 0~3 */ + for (r = 0; r <= 3; r++) { + fvco = freq << r; + if (fvco <= FVCO_MAX) + break; + } + f = F_27M >> r; + + /* PH_SEL */ + for (ph = ARRAY_SIZE(pt) - 1; ph >= 0; ph--) { + const u32 *pp = pt[ph]; + + /* SDM_MOD */ + for (sdm = 0; sdm < ARRAY_SIZE(sdm_mod_vals); sdm++) { + u32 mod = sdm_mod_vals[sdm]; + + /* DIVM 1~32 */ + for (m = 1; m <= 32; m++) { + u32 df; /* diff freq */ + u32 df_quotient, df_remainder; + + nf = fvco * m; + nint = nf / pp[3]; + + if (nint < pp[1]) + continue; + if (nint > pp[1]) + break; + + nfra = (((nf % pp[3]) * mod * pp[4]) + (F_27M / 2)) / F_27M; + if (nfra) { + u32 df0 = f * (nint + pp[2]) / pp[0]; + u32 df1 = f * (mod - nfra) / mod / pp[4]; + + df = df0 - df1; + } else { + df = f * (nint) / pp[0]; + } + + df_quotient = df / m; + df_remainder = ((df % m) * 1000) / m; + + if (freq > df_quotient) { + df_quotient = freq - df_quotient - 1; + df_remainder = 1000 - df_remainder; + } else { + df_quotient = df_quotient - freq; + } + + if (df_quotient_min > df_quotient || + (df_quotient_min == df_quotient && + df_remainder_min > df_remainder)) { + /* found a closer freq, save parameters */ + clk->p[SEL_FRA] = 1; + clk->p[SDM_MOD] = sdm; + clk->p[PH_SEL] = ph; + clk->p[NFRA] = nfra; + clk->p[DIVR] = r; + clk->p[DIVM] = m; + + fout = df / m; + df_quotient_min = df_quotient; + df_remainder_min = df_remainder; + } + } + } + } + + if (!fout) { + pr_err("%s: %s freq:%lu not found a valid setting\n", + __func__, clk_hw_get_name(&clk->hw), freq); + return -EINVAL; + } + + return fout; +} + +static long plltv_div(struct sp_pll *clk, unsigned long freq) +{ + if (freq % 100) + return plltv_fractional_div(clk, freq); + + return plltv_integer_div(clk, freq); +} + +static int plltv_set_rate(struct sp_pll *clk) +{ + unsigned long flags; + u32 r0, r1, r2; + + r0 = BIT(clk->bp_bit + 16); + r0 |= HWM_FIELD_PREP(MASK_SEL_FRA, clk->p[SEL_FRA]); + r0 |= HWM_FIELD_PREP(MASK_SDM_MOD, clk->p[SDM_MOD]); + r0 |= HWM_FIELD_PREP(MASK_PH_SEL, clk->p[PH_SEL]); + r0 |= HWM_FIELD_PREP(MASK_NFRA, clk->p[NFRA]); + + r1 = HWM_FIELD_PREP(MASK_DIVR, clk->p[DIVR]); + + r2 = HWM_FIELD_PREP(MASK_DIVN, clk->p[DIVN] - 1); + r2 |= HWM_FIELD_PREP(MASK_DIVM, clk->p[DIVM] - 1); + + spin_lock_irqsave(&clk->lock, flags); + writel(r0, clk->reg); + writel(r1, clk->reg + 4); + writel(r2, clk->reg + 8); + spin_unlock_irqrestore(&clk->lock, flags); + + return 0; +} + +/*********************************** PLL_A ***********************************/ + +/* from Q628_PLLs_REG_setting.xlsx */ +static const struct { + u32 rate; + u32 regs[5]; +} pa[] = { + { + .rate = 135475200, + .regs = { + 0x4801, + 0x02df, + 0x248f, + 0x0211, + 0x33e9 + } + }, + { + .rate = 147456000, + .regs = { + 0x4801, + 0x1adf, + 0x2490, + 0x0349, + 0x33e9 + } + }, + { + .rate = 196608000, + .regs = { + 0x4801, + 0x42ef, + 0x2495, + 0x01c6, + 0x33e9 + } + }, +}; + +static int plla_set_rate(struct sp_pll *clk) +{ + const u32 *pp = pa[clk->p[0]].regs; + unsigned long flags; + int i; + + spin_lock_irqsave(&clk->lock, flags); + for (i = 0; i < ARRAY_SIZE(pa->regs); i++) + writel(0xffff0000 | pp[i], clk->reg + (i * 4)); + spin_unlock_irqrestore(&clk->lock, flags); + + return 0; +} + +static long plla_round_rate(struct sp_pll *clk, unsigned long rate) +{ + int i = ARRAY_SIZE(pa); + + while (--i) { + if (rate >= pa[i].rate) + break; + } + clk->p[0] = i; + + return pa[i].rate; +} + +/********************************** SP_PLL ***********************************/ + +static long sp_pll_calc_div(struct sp_pll *clk, unsigned long rate) +{ + u32 fbdiv; + u32 max = 1 << clk->div_width; + + fbdiv = DIV_ROUND_CLOSEST(rate, clk->brate); + if (fbdiv > max) + fbdiv = max; + + return fbdiv; +} + +static long sp_pll_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *prate) +{ + struct sp_pll *clk = to_sp_pll(hw); + long ret; + + if (rate == *prate) { + ret = *prate; /* bypass */ + } else if (clk->div_width == DIV_A) { + ret = plla_round_rate(clk, rate); + } else if (clk->div_width == DIV_TV) { + ret = plltv_div(clk, rate); + if (ret < 0) + ret = *prate; + } else { + ret = sp_pll_calc_div(clk, rate) * clk->brate; + } + + return ret; +} + +static unsigned long sp_pll_recalc_rate(struct clk_hw *hw, + unsigned long prate) +{ + struct sp_pll *clk = to_sp_pll(hw); + u32 reg = readl(clk->reg); + unsigned long ret; + + if (reg & BIT(clk->bp_bit)) { + ret = prate; /* bypass */ + } else if (clk->div_width == DIV_A) { + ret = pa[clk->p[0]].rate; + } else if (clk->div_width == DIV_TV) { + u32 m, r, reg2; + + r = FIELD_GET(MASK_DIVR, readl(clk->reg + 4)); + reg2 = readl(clk->reg + 8); + m = FIELD_GET(MASK_DIVM, reg2) + 1; + + if (reg & MASK_SEL_FRA) { + /* fractional divider */ + u32 sdm = FIELD_GET(MASK_SDM_MOD, reg); + u32 ph = FIELD_GET(MASK_PH_SEL, reg); + u32 nfra = FIELD_GET(MASK_NFRA, reg); + const u32 *pp = pt[ph]; + unsigned long r0, r1; + + ret = prate >> r; + r0 = ret * (pp[1] + pp[2]) / pp[0]; + r1 = ret * (sdm_mod_vals[sdm] - nfra) / sdm_mod_vals[sdm] / pp[4]; + ret = (r0 - r1) / m; + } else { + /* integer divider */ + u32 n = FIELD_GET(MASK_DIVN, reg2) + 1; + + ret = (prate / m * n) >> r; + } + } else { + u32 fbdiv = ((reg >> clk->div_shift) & ((1 << clk->div_width) - 1)) + 1; + + ret = clk->brate * fbdiv; + } + + return ret; +} + +static int sp_pll_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long prate) +{ + struct sp_pll *clk = to_sp_pll(hw); + unsigned long flags; + u32 reg; + + reg = BIT(clk->bp_bit + 16); /* HIWORD_MASK */ + + if (rate == prate) { + reg |= BIT(clk->bp_bit); /* bypass */ + } else if (clk->div_width == DIV_A) { + return plla_set_rate(clk); + } else if (clk->div_width == DIV_TV) { + return plltv_set_rate(clk); + } else if (clk->div_width) { + u32 fbdiv = sp_pll_calc_div(clk, rate); + u32 mask = GENMASK(clk->div_shift + clk->div_width - 1, clk->div_shift); + + reg |= mask << 16; + reg |= ((fbdiv - 1) << clk->div_shift) & mask; + } + + spin_lock_irqsave(&clk->lock, flags); + writel(reg, clk->reg); + spin_unlock_irqrestore(&clk->lock, flags); + + return 0; +} + +static int sp_pll_enable(struct clk_hw *hw) +{ + struct sp_pll *clk = to_sp_pll(hw); + + writel(BIT(clk->pd_bit + 16) | BIT(clk->pd_bit), clk->reg); + + return 0; +} + +static void sp_pll_disable(struct clk_hw *hw) +{ + struct sp_pll *clk = to_sp_pll(hw); + + writel(BIT(clk->pd_bit + 16), clk->reg); +} + +static int sp_pll_is_enabled(struct clk_hw *hw) +{ + struct sp_pll *clk = to_sp_pll(hw); + + return readl(clk->reg) & BIT(clk->pd_bit); +} + +static const struct clk_ops sp_pll_ops = { + .enable = sp_pll_enable, + .disable = sp_pll_disable, + .is_enabled = sp_pll_is_enabled, + .round_rate = sp_pll_round_rate, + .recalc_rate = sp_pll_recalc_rate, + .set_rate = sp_pll_set_rate +}; + +static const struct clk_ops sp_pll_sub_ops = { + .enable = sp_pll_enable, + .disable = sp_pll_disable, + .is_enabled = sp_pll_is_enabled, + .recalc_rate = sp_pll_recalc_rate, +}; + +static struct clk_hw *sp_pll_register(struct device *dev, const char *name, + const struct clk_parent_data *parent_data, + void __iomem *reg, int pd_bit, int bp_bit, + unsigned long brate, int shift, int width, + unsigned long flags) +{ + struct sp_pll *pll; + struct clk_hw *hw; + struct clk_init_data initd = { + .name = name, + .parent_data = parent_data, + .ops = (bp_bit >= 0) ? &sp_pll_ops : &sp_pll_sub_ops, + .num_parents = 1, + .flags = flags, + }; + int ret; + + pll = devm_kzalloc(dev, sizeof(*pll), GFP_KERNEL); + if (!pll) + return ERR_PTR(-ENOMEM); + + pll->hw.init = &initd; + pll->reg = reg; + pll->pd_bit = pd_bit; + pll->bp_bit = bp_bit; + pll->brate = brate; + pll->div_shift = shift; + pll->div_width = width; + spin_lock_init(&pll->lock); + + hw = &pll->hw; + ret = devm_clk_hw_register(dev, hw); + if (ret) { + kfree(pll); + return ERR_PTR(ret); + } + + return hw; +} + +#define PLLA_CTL (pll_base + 0x1c) +#define PLLE_CTL (pll_base + 0x30) +#define PLLF_CTL (pll_base + 0x34) +#define PLLTV_CTL (pll_base + 0x38) + +static int sp7021_clk_probe(struct platform_device *pdev) +{ + static const u32 sp_clken[] = { + 0x67ef, 0x03ff, 0xff03, 0xfff0, 0x0004, /* G0.1~5 */ + 0x0000, 0x8000, 0xffff, 0x0040, 0x0000, /* G0.6~10 */ + }; + static struct clk_parent_data pd_ext, pd_sys, pd_e; + struct device *dev = &pdev->dev; + void __iomem *clk_base, *pll_base, *sys_base; + struct clk_hw_onecell_data *clk_data; + struct clk_hw **hws; + int i, ret; + + clk_base = devm_platform_ioremap_resource(pdev, 0); + if (!clk_base) + return -ENXIO; + pll_base = devm_platform_ioremap_resource(pdev, 1); + if (!pll_base) + return -ENXIO; + sys_base = devm_platform_ioremap_resource(pdev, 2); + if (!sys_base) + return -ENXIO; + + /* enable default clks */ + for (i = 0; i < ARRAY_SIZE(sp_clken); i++) + writel((sp_clken[i] << 16) | sp_clken[i], clk_base + i * 4); + + clk_data = devm_kzalloc(dev, struct_size(clk_data, hws, CLK_MAX), + GFP_KERNEL); + if (!clk_data) + return -ENOMEM; + + hws = clk_data->hws; + pd_ext.index = 0; + + /* PLLs */ + hws[PLL_A] = sp_pll_register(dev, "plla", &pd_ext, PLLA_CTL, + 11, 12, 27000000, 0, DIV_A, 0); + if (IS_ERR(hws[PLL_A])) + return PTR_ERR(hws[PLL_A]); + + hws[PLL_E] = sp_pll_register(dev, "plle", &pd_ext, PLLE_CTL, + 6, 2, 50000000, 0, 0, 0); + if (IS_ERR(hws[PLL_E])) + return PTR_ERR(hws[PLL_E]); + pd_e.hw = hws[PLL_E]; + hws[PLL_E_2P5] = sp_pll_register(dev, "plle_2p5", &pd_e, PLLE_CTL, + 13, -1, 2500000, 0, 0, 0); + if (IS_ERR(hws[PLL_E_2P5])) + return PTR_ERR(hws[PLL_E_2P5]); + hws[PLL_E_25] = sp_pll_register(dev, "plle_25", &pd_e, PLLE_CTL, + 12, -1, 25000000, 0, 0, 0); + if (IS_ERR(hws[PLL_E_25])) + return PTR_ERR(hws[PLL_E_25]); + hws[PLL_E_112P5] = sp_pll_register(dev, "plle_112p5", &pd_e, PLLE_CTL, + 11, -1, 112500000, 0, 0, 0); + if (IS_ERR(hws[PLL_E_112P5])) + return PTR_ERR(hws[PLL_E_112P5]); + + hws[PLL_F] = sp_pll_register(dev, "pllf", &pd_ext, PLLF_CTL, + 0, 10, 13500000, 1, 4, 0); + if (IS_ERR(hws[PLL_F])) + return PTR_ERR(hws[PLL_F]); + + hws[PLL_TV] = sp_pll_register(dev, "plltv", &pd_ext, PLLTV_CTL, + 0, 15, 27000000, 0, DIV_TV, 0); + if (IS_ERR(hws[PLL_TV])) + return PTR_ERR(hws[PLL_TV]); + hws[PLL_TV_A] = devm_clk_hw_register_divider(dev, "plltv_a", "plltv", 0, + PLLTV_CTL + 4, 5, 1, + CLK_DIVIDER_POWER_OF_TWO, + &to_sp_pll(hws[PLL_TV])->lock); + if (IS_ERR(hws[PLL_TV_A])) + return PTR_ERR(hws[PLL_TV_A]); + + /* system clock, should not be disabled */ + hws[PLL_SYS] = sp_pll_register(dev, "pllsys", &pd_ext, sys_base, + 10, 9, 13500000, 0, 4, CLK_IS_CRITICAL); + if (IS_ERR(hws[PLL_SYS])) + return PTR_ERR(hws[PLL_SYS]); + pd_sys.hw = hws[PLL_SYS]; + + /* gates */ + for (i = 0; i < ARRAY_SIZE(sp_clk_gates); i++) { + char name[10]; + u32 j = sp_clk_gates[i].reg; + struct clk_parent_data *pd = sp_clk_gates[i].ext_parent ? &pd_ext : &pd_sys; + + sprintf(name, "%02d_0x%02x", i, j); + hws[i] = clk_hw_register_gate_parent_data(dev, name, pd, 0, + clk_base + (j >> 4) * 4, + j & 0x0f, + CLK_GATE_HIWORD_MASK, + NULL); + if (IS_ERR(hws[i])) { + ret = PTR_ERR(hws[i]); + goto unregister_gates; + } + } + + clk_data->num = CLK_MAX; + ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, clk_data); + if (ret) + goto unregister_gates; + + return 0; + +unregister_gates: + while (i--) + clk_hw_unregister_gate(hws[i]); + + return ret; +} + +static const struct of_device_id sp7021_clk_dt_ids[] = { + { .compatible = "sunplus,sp7021-clkc" }, + { } +}; +MODULE_DEVICE_TABLE(of, sp7021_clk_dt_ids); + +static struct platform_driver sp7021_clk_driver = { + .probe = sp7021_clk_probe, + .driver = { + .name = "sp7021-clk", + .of_match_table = sp7021_clk_dt_ids, + }, +}; +module_platform_driver(sp7021_clk_driver); + +MODULE_AUTHOR("Sunplus Technology"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Clock driver for Sunplus SP7021 SoC"); From patchwork Tue Jun 7 01:58:07 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qin Jian X-Patchwork-Id: 579611 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EFC6FCCA473 for ; Tue, 7 Jun 2022 02:05:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235880AbiFGCFU (ORCPT ); Mon, 6 Jun 2022 22:05:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39872 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235893AbiFGCFM (ORCPT ); Mon, 6 Jun 2022 22:05:12 -0400 Received: from mx1.cqplus1.com (unknown [113.204.237.245]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id A1CDEB82FF for ; Mon, 6 Jun 2022 19:04:47 -0700 (PDT) X-MailGates: (flag:4,DYNAMIC,BADHELO,RELAY,NOHOST:PASS)(compute_score:DE LIVER,40,3) Received: from 172.28.114.216 by mx1.cqplus1.com with MailGates ESMTP Server V5.0(2334:0:AUTH_RELAY) (envelope-from ); Tue, 07 Jun 2022 09:58:34 +0800 (CST) From: Qin Jian To: sboyd@kernel.org Cc: krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, mturquette@baylibre.com, linux@armlinux.org.uk, arnd@arndb.de, olof@lixom.net, soc@kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Qin Jian , Marc Zyngier Subject: [PATCH v17 07/10] irqchip: Add Sunplus SP7021 interrupt controller driver Date: Tue, 7 Jun 2022 09:58:07 +0800 Message-Id: <0f1a1b0e38f4f0eaef245833c4c97a4e98619553.1654565776.git.qinjian@cqplus1.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add interrupt controller driver for Sunplus SP7021 SoC. This is the interrupt controller in P-chip which collects all interrupt sources in P-chip and routes them to parent interrupt controller in C-chip. Acked-by: Marc Zyngier Signed-off-by: Qin Jian Reported-by: kernel test robot --- MAINTAINERS | 3 - drivers/irqchip/Kconfig | 9 + drivers/irqchip/Makefile | 1 + drivers/irqchip/irq-sp7021-intc.c | 278 ++++++++++++++++++++++++++++++ 4 files changed, 288 insertions(+), 3 deletions(-) create mode 100644 drivers/irqchip/irq-sp7021-intc.c diff --git a/MAINTAINERS b/MAINTAINERS index 23774ee07..5a7d157cb 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2814,9 +2814,6 @@ F: Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml F: Documentation/devicetree/bindings/clock/sunplus,sp7021-clkc.yaml F: Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml F: Documentation/devicetree/bindings/reset/sunplus,reset.yaml -F: arch/arm/boot/dts/sunplus-sp7021*.dts* -F: arch/arm/configs/sp7021_*defconfig -F: arch/arm/mach-sunplus/ F: drivers/clk/clk-sp7021.c F: drivers/irqchip/irq-sp7021-intc.c F: drivers/reset/reset-sunplus.c diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 15edb9a6f..40f197f84 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -626,4 +626,13 @@ config MCHP_EIC help Support for Microchip External Interrupt Controller. +config SUNPLUS_SP7021_INTC + bool "Sunplus SP7021 interrupt controller" if COMPILE_TEST + default SOC_SP7021 + help + Support for the Sunplus SP7021 Interrupt Controller IP core. + SP7021 SoC has 2 Chips: C-Chip & P-Chip. This is used as a + chained controller, routing all interrupt source in P-Chip to + the primary controller on C-Chip. + endmenu diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index 160a1d8ce..fec4390a7 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -117,3 +117,4 @@ obj-$(CONFIG_WPCM450_AIC) += irq-wpcm450-aic.o obj-$(CONFIG_IRQ_IDT3243X) += irq-idt3243x.o obj-$(CONFIG_APPLE_AIC) += irq-apple-aic.o obj-$(CONFIG_MCHP_EIC) += irq-mchp-eic.o +obj-$(CONFIG_SUNPLUS_SP7021_INTC) += irq-sp7021-intc.o diff --git a/drivers/irqchip/irq-sp7021-intc.c b/drivers/irqchip/irq-sp7021-intc.c new file mode 100644 index 000000000..b45c1a601 --- /dev/null +++ b/drivers/irqchip/irq-sp7021-intc.c @@ -0,0 +1,278 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Copyright (C) Sunplus Technology Co., Ltd. + * All rights reserved. + */ +#include +#include +#include +#include +#include +#include +#include + +#define SP_INTC_HWIRQ_MIN 0 +#define SP_INTC_HWIRQ_MAX 223 + +#define SP_INTC_NR_IRQS (SP_INTC_HWIRQ_MAX - SP_INTC_HWIRQ_MIN + 1) +#define SP_INTC_NR_GROUPS DIV_ROUND_UP(SP_INTC_NR_IRQS, 32) +#define SP_INTC_REG_SIZE (SP_INTC_NR_GROUPS * 4) + +/* REG_GROUP_0 regs */ +#define REG_INTR_TYPE (sp_intc.g0) +#define REG_INTR_POLARITY (REG_INTR_TYPE + SP_INTC_REG_SIZE) +#define REG_INTR_PRIORITY (REG_INTR_POLARITY + SP_INTC_REG_SIZE) +#define REG_INTR_MASK (REG_INTR_PRIORITY + SP_INTC_REG_SIZE) + +/* REG_GROUP_1 regs */ +#define REG_INTR_CLEAR (sp_intc.g1) +#define REG_MASKED_EXT1 (REG_INTR_CLEAR + SP_INTC_REG_SIZE) +#define REG_MASKED_EXT0 (REG_MASKED_EXT1 + SP_INTC_REG_SIZE) +#define REG_INTR_GROUP (REG_INTR_CLEAR + 31 * 4) + +#define GROUP_MASK (BIT(SP_INTC_NR_GROUPS) - 1) +#define GROUP_SHIFT_EXT1 (0) +#define GROUP_SHIFT_EXT0 (8) + +/* + * When GPIO_INT0~7 set to edge trigger, doesn't work properly. + * WORKAROUND: change it to level trigger, and toggle the polarity + * at ACK/Handler to make the HW work. + */ +#define GPIO_INT0_HWIRQ 120 +#define GPIO_INT7_HWIRQ 127 +#define IS_GPIO_INT(irq) \ +({ \ + u32 i = irq; \ + (i >= GPIO_INT0_HWIRQ) && (i <= GPIO_INT7_HWIRQ); \ +}) + +/* index of states */ +enum { + _IS_EDGE = 0, + _IS_LOW, + _IS_ACTIVE +}; + +#define STATE_BIT(irq, idx) (((irq) - GPIO_INT0_HWIRQ) * 3 + (idx)) +#define ASSIGN_STATE(irq, idx, v) assign_bit(STATE_BIT(irq, idx), sp_intc.states, v) +#define TEST_STATE(irq, idx) test_bit(STATE_BIT(irq, idx), sp_intc.states) + +static struct sp_intctl { + /* + * REG_GROUP_0: include type/polarity/priority/mask regs. + * REG_GROUP_1: include clear/masked_ext0/masked_ext1/group regs. + */ + void __iomem *g0; // REG_GROUP_0 base + void __iomem *g1; // REG_GROUP_1 base + + struct irq_domain *domain; + raw_spinlock_t lock; + + /* + * store GPIO_INT states + * each interrupt has 3 states: is_edge, is_low, is_active + */ + DECLARE_BITMAP(states, (GPIO_INT7_HWIRQ - GPIO_INT0_HWIRQ + 1) * 3); +} sp_intc; + +static struct irq_chip sp_intc_chip; + +static void sp_intc_assign_bit(u32 hwirq, void __iomem *base, bool value) +{ + u32 offset, mask; + unsigned long flags; + void __iomem *reg; + + offset = (hwirq / 32) * 4; + reg = base + offset; + + raw_spin_lock_irqsave(&sp_intc.lock, flags); + mask = readl_relaxed(reg); + if (value) + mask |= BIT(hwirq % 32); + else + mask &= ~BIT(hwirq % 32); + writel_relaxed(mask, reg); + raw_spin_unlock_irqrestore(&sp_intc.lock, flags); +} + +static void sp_intc_ack_irq(struct irq_data *d) +{ + u32 hwirq = d->hwirq; + + if (unlikely(IS_GPIO_INT(hwirq) && TEST_STATE(hwirq, _IS_EDGE))) { // WORKAROUND + sp_intc_assign_bit(hwirq, REG_INTR_POLARITY, !TEST_STATE(hwirq, _IS_LOW)); + ASSIGN_STATE(hwirq, _IS_ACTIVE, true); + } + + sp_intc_assign_bit(hwirq, REG_INTR_CLEAR, 1); +} + +static void sp_intc_mask_irq(struct irq_data *d) +{ + sp_intc_assign_bit(d->hwirq, REG_INTR_MASK, 0); +} + +static void sp_intc_unmask_irq(struct irq_data *d) +{ + sp_intc_assign_bit(d->hwirq, REG_INTR_MASK, 1); +} + +static int sp_intc_set_type(struct irq_data *d, unsigned int type) +{ + u32 hwirq = d->hwirq; + bool is_edge = !(type & IRQ_TYPE_LEVEL_MASK); + bool is_low = (type == IRQ_TYPE_LEVEL_LOW || type == IRQ_TYPE_EDGE_FALLING); + + irq_set_handler_locked(d, is_edge ? handle_edge_irq : handle_level_irq); + + if (unlikely(IS_GPIO_INT(hwirq) && is_edge)) { // WORKAROUND + /* store states */ + ASSIGN_STATE(hwirq, _IS_EDGE, is_edge); + ASSIGN_STATE(hwirq, _IS_LOW, is_low); + ASSIGN_STATE(hwirq, _IS_ACTIVE, false); + /* change to level */ + is_edge = false; + } + + sp_intc_assign_bit(hwirq, REG_INTR_TYPE, is_edge); + sp_intc_assign_bit(hwirq, REG_INTR_POLARITY, is_low); + + return 0; +} + +static int sp_intc_get_ext_irq(int ext_num) +{ + void __iomem *base = ext_num ? REG_MASKED_EXT1 : REG_MASKED_EXT0; + u32 shift = ext_num ? GROUP_SHIFT_EXT1 : GROUP_SHIFT_EXT0; + u32 groups; + u32 pending_group; + u32 group; + u32 pending_irq; + + groups = readl_relaxed(REG_INTR_GROUP); + pending_group = (groups >> shift) & GROUP_MASK; + if (!pending_group) + return -1; + + group = fls(pending_group) - 1; + pending_irq = readl_relaxed(base + group * 4); + if (!pending_irq) + return -1; + + return (group * 32) + fls(pending_irq) - 1; +} + +static void sp_intc_handle_ext_cascaded(struct irq_desc *desc) +{ + struct irq_chip *chip = irq_desc_get_chip(desc); + int ext_num = (int)irq_desc_get_handler_data(desc); + int hwirq; + + chained_irq_enter(chip, desc); + + while ((hwirq = sp_intc_get_ext_irq(ext_num)) >= 0) { + if (unlikely(IS_GPIO_INT(hwirq) && TEST_STATE(hwirq, _IS_ACTIVE))) { // WORKAROUND + ASSIGN_STATE(hwirq, _IS_ACTIVE, false); + sp_intc_assign_bit(hwirq, REG_INTR_POLARITY, TEST_STATE(hwirq, _IS_LOW)); + } else { + generic_handle_domain_irq(sp_intc.domain, hwirq); + } + } + + chained_irq_exit(chip, desc); +} + +static struct irq_chip sp_intc_chip = { + .name = "sp_intc", + .irq_ack = sp_intc_ack_irq, + .irq_mask = sp_intc_mask_irq, + .irq_unmask = sp_intc_unmask_irq, + .irq_set_type = sp_intc_set_type, +}; + +static int sp_intc_irq_domain_map(struct irq_domain *domain, + unsigned int irq, irq_hw_number_t hwirq) +{ + irq_set_chip_and_handler(irq, &sp_intc_chip, handle_level_irq); + irq_set_chip_data(irq, &sp_intc_chip); + irq_set_noprobe(irq); + + return 0; +} + +static const struct irq_domain_ops sp_intc_dm_ops = { + .xlate = irq_domain_xlate_twocell, + .map = sp_intc_irq_domain_map, +}; + +static int sp_intc_irq_map(struct device_node *node, int i) +{ + unsigned int irq; + + irq = irq_of_parse_and_map(node, i); + if (!irq) + return -ENOENT; + + irq_set_chained_handler_and_data(irq, sp_intc_handle_ext_cascaded, (void *)i); + + return 0; +} + +static int __init sp_intc_init_dt(struct device_node *node, struct device_node *parent) +{ + int i, ret; + + sp_intc.g0 = of_iomap(node, 0); + if (!sp_intc.g0) + return -ENXIO; + + sp_intc.g1 = of_iomap(node, 1); + if (!sp_intc.g1) { + ret = -ENXIO; + goto out_unmap0; + } + + ret = sp_intc_irq_map(node, 0); // EXT_INT0 + if (ret) + goto out_unmap1; + + ret = sp_intc_irq_map(node, 1); // EXT_INT1 + if (ret) + goto out_unmap1; + + /* initial regs */ + for (i = 0; i < SP_INTC_NR_GROUPS; i++) { + /* all mask */ + writel_relaxed(0, REG_INTR_MASK + i * 4); + /* all edge */ + writel_relaxed(~0, REG_INTR_TYPE + i * 4); + /* all high-active */ + writel_relaxed(0, REG_INTR_POLARITY + i * 4); + /* all EXT_INT0 */ + writel_relaxed(~0, REG_INTR_PRIORITY + i * 4); + /* all clear */ + writel_relaxed(~0, REG_INTR_CLEAR + i * 4); + } + + sp_intc.domain = irq_domain_add_linear(node, SP_INTC_NR_IRQS, + &sp_intc_dm_ops, &sp_intc); + if (!sp_intc.domain) { + ret = -ENOMEM; + goto out_unmap1; + } + + raw_spin_lock_init(&sp_intc.lock); + + return 0; + +out_unmap1: + iounmap(sp_intc.g1); +out_unmap0: + iounmap(sp_intc.g0); + + return ret; +} + +IRQCHIP_DECLARE(sp_intc, "sunplus,sp7021-intc", sp_intc_init_dt); From patchwork Tue Jun 7 01:58:09 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qin Jian X-Patchwork-Id: 579614 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9C5A4C43334 for ; Tue, 7 Jun 2022 02:05:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230385AbiFGCFO (ORCPT ); Mon, 6 Jun 2022 22:05:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39868 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235869AbiFGCFG (ORCPT ); Mon, 6 Jun 2022 22:05:06 -0400 Received: from mx1.cqplus1.com (unknown [113.204.237.245]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id D1BA8B8BC9 for ; Mon, 6 Jun 2022 19:04:49 -0700 (PDT) X-MailGates: (flag:4,DYNAMIC,BADHELO,RELAY,NOHOST:PASS)(compute_score:DE LIVER,40,3) Received: from 172.28.114.216 by mx1.cqplus1.com with MailGates ESMTP Server V5.0(2334:0:AUTH_RELAY) (envelope-from ); Tue, 07 Jun 2022 09:58:35 +0800 (CST) From: Qin Jian To: sboyd@kernel.org Cc: krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, mturquette@baylibre.com, linux@armlinux.org.uk, arnd@arndb.de, olof@lixom.net, soc@kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Qin Jian Subject: [PATCH v17 09/10] ARM: sp7021_defconfig: Add Sunplus SP7021 defconfig Date: Tue, 7 Jun 2022 09:58:09 +0800 Message-Id: X-Mailer: git-send-email 2.33.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add generic Sunplus SP7021 based board defconfig Reviewed-by: Arnd Bergmann Signed-off-by: Qin Jian --- MAINTAINERS | 1 + arch/arm/configs/multi_v7_defconfig | 1 + arch/arm/configs/sp7021_defconfig | 59 +++++++++++++++++++++++++++++ 3 files changed, 61 insertions(+) create mode 100644 arch/arm/configs/sp7021_defconfig diff --git a/MAINTAINERS b/MAINTAINERS index 9d4cf62eb..4435ec6ca 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2814,6 +2814,7 @@ F: Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml F: Documentation/devicetree/bindings/clock/sunplus,sp7021-clkc.yaml F: Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml F: Documentation/devicetree/bindings/reset/sunplus,reset.yaml +F: arch/arm/configs/sp7021_*defconfig F: arch/arm/mach-sunplus/ F: drivers/clk/clk-sp7021.c F: drivers/irqchip/irq-sp7021-intc.c diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig index d6a6811f0..6d3f6503c 100644 --- a/arch/arm/configs/multi_v7_defconfig +++ b/arch/arm/configs/multi_v7_defconfig @@ -90,6 +90,7 @@ CONFIG_MACH_SPEAR1310=y CONFIG_MACH_SPEAR1340=y CONFIG_ARCH_STI=y CONFIG_ARCH_STM32=y +CONFIG_ARCH_SUNPLUS=y CONFIG_ARCH_SUNXI=y CONFIG_ARCH_TEGRA=y CONFIG_ARCH_UNIPHIER=y diff --git a/arch/arm/configs/sp7021_defconfig b/arch/arm/configs/sp7021_defconfig new file mode 100644 index 000000000..703b9aaa4 --- /dev/null +++ b/arch/arm/configs/sp7021_defconfig @@ -0,0 +1,59 @@ +CONFIG_SYSVIPC=y +CONFIG_NO_HZ_IDLE=y +CONFIG_HIGH_RES_TIMERS=y +CONFIG_PREEMPT=y +CONFIG_IKCONFIG=y +CONFIG_IKCONFIG_PROC=y +CONFIG_LOG_BUF_SHIFT=14 +# CONFIG_RD_GZIP is not set +# CONFIG_RD_BZIP2 is not set +# CONFIG_RD_LZMA is not set +# CONFIG_RD_XZ is not set +# CONFIG_RD_LZO is not set +# CONFIG_RD_LZ4 is not set +CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_PERF_EVENTS=y +CONFIG_SLAB=y +CONFIG_ARCH_SUNPLUS=y +# CONFIG_VDSO is not set +CONFIG_SMP=y +CONFIG_THUMB2_KERNEL=y +CONFIG_FORCE_MAX_ZONEORDER=12 +CONFIG_VFP=y +CONFIG_NEON=y +CONFIG_MODULES=y +CONFIG_MODULE_UNLOAD=y +CONFIG_MODVERSIONS=y +# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set +CONFIG_UEVENT_HELPER=y +CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" +CONFIG_DEVTMPFS=y +CONFIG_DEVTMPFS_MOUNT=y +CONFIG_BLK_DEV_LOOP=y +CONFIG_INPUT_SPARSEKMAP=y +CONFIG_INPUT_EVDEV=y +# CONFIG_INPUT_KEYBOARD is not set +# CONFIG_INPUT_MOUSE is not set +# CONFIG_LEGACY_PTYS is not set +# CONFIG_HW_RANDOM is not set +# CONFIG_HWMON is not set +# CONFIG_IOMMU_SUPPORT is not set +CONFIG_RESET_CONTROLLER=y +CONFIG_EXT4_FS=y +# CONFIG_DNOTIFY is not set +CONFIG_FANOTIFY=y +CONFIG_VFAT_FS=y +CONFIG_FAT_DEFAULT_IOCHARSET="utf8" +CONFIG_EXFAT_FS=y +CONFIG_TMPFS=y +CONFIG_TMPFS_POSIX_ACL=y +# CONFIG_MISC_FILESYSTEMS is not set +CONFIG_NLS_CODEPAGE_437=y +CONFIG_NLS_ASCII=y +CONFIG_NLS_ISO8859_1=y +CONFIG_NLS_UTF8=y +CONFIG_PRINTK_TIME=y +CONFIG_DYNAMIC_DEBUG=y +CONFIG_MAGIC_SYSRQ=y +CONFIG_DEBUG_FS=y +CONFIG_DEBUG_USER=y From patchwork Tue Jun 7 01:58:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qin Jian X-Patchwork-Id: 579613 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A752CCA481 for ; Tue, 7 Jun 2022 02:05:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233117AbiFGCFP (ORCPT ); Mon, 6 Jun 2022 22:05:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39936 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235868AbiFGCFF (ORCPT ); Mon, 6 Jun 2022 22:05:05 -0400 Received: from mx1.cqplus1.com (unknown [113.204.237.245]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id D9C87B8BC0 for ; Mon, 6 Jun 2022 19:04:47 -0700 (PDT) X-MailGates: (flag:4,DYNAMIC,BADHELO,RELAY,NOHOST:PASS)(compute_score:DE LIVER,40,3) Received: from 172.28.114.216 by mx1.cqplus1.com with MailGates ESMTP Server V5.0(2334:0:AUTH_RELAY) (envelope-from ); Tue, 07 Jun 2022 09:58:35 +0800 (CST) From: Qin Jian To: sboyd@kernel.org Cc: krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org, mturquette@baylibre.com, linux@armlinux.org.uk, arnd@arndb.de, olof@lixom.net, soc@kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, Qin Jian Subject: [PATCH v17 10/10] ARM: dts: Add Sunplus SP7021-Demo-V3 board device tree Date: Tue, 7 Jun 2022 09:58:10 +0800 Message-Id: X-Mailer: git-send-email 2.33.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add the basic support for Sunplus SP7021-Demo-V3 board. Signed-off-by: Qin Jian --- Fix the comments from Krzysztof. --- MAINTAINERS | 1 + arch/arm/boot/dts/Makefile | 2 + arch/arm/boot/dts/sunplus-sp7021-achip.dtsi | 84 +++++ arch/arm/boot/dts/sunplus-sp7021-demo-v3.dts | 26 ++ arch/arm/boot/dts/sunplus-sp7021.dtsi | 318 +++++++++++++++++++ 5 files changed, 431 insertions(+) create mode 100644 arch/arm/boot/dts/sunplus-sp7021-achip.dtsi create mode 100644 arch/arm/boot/dts/sunplus-sp7021-demo-v3.dts create mode 100644 arch/arm/boot/dts/sunplus-sp7021.dtsi diff --git a/MAINTAINERS b/MAINTAINERS index 4435ec6ca..23774ee07 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2814,6 +2814,7 @@ F: Documentation/devicetree/bindings/arm/sunplus,sp7021.yaml F: Documentation/devicetree/bindings/clock/sunplus,sp7021-clkc.yaml F: Documentation/devicetree/bindings/interrupt-controller/sunplus,sp7021-intc.yaml F: Documentation/devicetree/bindings/reset/sunplus,reset.yaml +F: arch/arm/boot/dts/sunplus-sp7021*.dts* F: arch/arm/configs/sp7021_*defconfig F: arch/arm/mach-sunplus/ F: drivers/clk/clk-sp7021.c diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index 7c16f8a2b..2862dac61 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -79,6 +79,8 @@ dtb-$(CONFIG_SOC_SAM_V7) += \ at91-vinco.dtb dtb-$(CONFIG_SOC_SAMA7G5) += \ at91-sama7g5ek.dtb +dtb-$(CONFIG_SOC_SP7021) += \ + sunplus-sp7021-demo-v3.dtb dtb-$(CONFIG_ARCH_AXXIA) += \ axm5516-amarillo.dtb dtb-$(CONFIG_ARCH_BCM2835) += \ diff --git a/arch/arm/boot/dts/sunplus-sp7021-achip.dtsi b/arch/arm/boot/dts/sunplus-sp7021-achip.dtsi new file mode 100644 index 000000000..67274a49e --- /dev/null +++ b/arch/arm/boot/dts/sunplus-sp7021-achip.dtsi @@ -0,0 +1,84 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree Source for Sunplus SP7021 + * + * Copyright (C) 2021 Sunplus Technology Co. + */ + +#include "sunplus-sp7021.dtsi" +#include + +/ { + compatible = "sunplus,sp7021-achip", "sunplus,sp7021"; + model = "Sunplus SP7021 (CA7)"; + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&gic>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + compatible = "arm,cortex-a7"; + device_type = "cpu"; + reg = <0>; + clock-frequency = <931000000>; + }; + cpu1: cpu@1 { + compatible = "arm,cortex-a7"; + device_type = "cpu"; + reg = <1>; + clock-frequency = <931000000>; + }; + cpu2: cpu@2 { + compatible = "arm,cortex-a7"; + device_type = "cpu"; + reg = <2>; + clock-frequency = <931000000>; + }; + cpu3: cpu@3 { + compatible = "arm,cortex-a7"; + device_type = "cpu"; + reg = <3>; + clock-frequency = <931000000>; + }; + }; + + gic: interrupt-controller@9f101000 { + compatible = "arm,cortex-a7-gic"; + interrupt-controller; + #interrupt-cells = <3>; + reg = <0x9f101000 0x1000>, + <0x9f102000 0x2000>, + <0x9f104000 0x2000>, + <0x9f106000 0x2000>; + }; + + timer { + compatible = "arm,armv7-timer"; + interrupts = , + , + , + ; + clock-frequency = ; + arm,cpu-registers-not-fw-configured; + }; + + arm-pmu { + compatible = "arm,cortex-a7-pmu"; + interrupts = , + , + , + ; + interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>; + }; + + soc { + intc: interrupt-controller@9c000780 { + interrupt-parent = <&gic>; + interrupts = , /* EXT_INT0 */ + ; /* EXT_INT1 */ + }; + }; +}; diff --git a/arch/arm/boot/dts/sunplus-sp7021-demo-v3.dts b/arch/arm/boot/dts/sunplus-sp7021-demo-v3.dts new file mode 100644 index 000000000..bfac954bb --- /dev/null +++ b/arch/arm/boot/dts/sunplus-sp7021-demo-v3.dts @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree Source for Sunplus SP7021 Demo V3 SBC board + * + * Copyright (C) Sunplus Technology Co. + */ + +/dts-v1/; + +#include "sunplus-sp7021-achip.dtsi" + +/ { + compatible = "sunplus,sp7021-demo-v3", "sunplus,sp7021"; + model = "Sunplus SP7021/CA7/Demo_V3"; + #address-cells = <1>; + #size-cells = <1>; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + memory@0 { + device_type = "memory"; + reg = <0x00000000 0x20000000>; + }; +}; diff --git a/arch/arm/boot/dts/sunplus-sp7021.dtsi b/arch/arm/boot/dts/sunplus-sp7021.dtsi new file mode 100644 index 000000000..3c1f4d106 --- /dev/null +++ b/arch/arm/boot/dts/sunplus-sp7021.dtsi @@ -0,0 +1,318 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Device Tree Source for Sunplus SP7021 + * + * Copyright (C) 2021 Sunplus Technology Co. + */ + +#include +#include +#include +#include +#include + +#define XTAL 27000000 + +/ { + compatible = "sunplus,sp7021"; + model = "Sunplus SP7021"; + + aliases { + serial0 = &uart0; + serial1 = &uart1; + serial2 = &uart2; + serial3 = &uart3; + serial4 = &uart4; + }; + + clocks { + extclk: osc0 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = ; + clock-output-names = "extclk"; + }; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + interrupt-parent = <&intc>; + + intc: interrupt-controller@9c000780 { + compatible = "sunplus,sp7021-intc"; + reg = <0x9c000780 0x80>, <0x9c000a80 0x80>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + clkc: clock-controller@9c000004 { + compatible = "sunplus,sp7021-clkc"; + reg = <0x9c000004 0x28>, + <0x9c000200 0x44>, + <0x9c000268 0x04>; + clocks = <&extclk>; + #clock-cells = <1>; + }; + + rstc: reset@9c000054 { + compatible = "sunplus,sp7021-reset"; + reg = <0x9c000054 0x28>; + #reset-cells = <1>; + }; + + rtc: serial@9c003a00 { + compatible = "sunplus,sp7021-rtc"; + reg = <0x9c003a00 0x80>; + reg-names = "rtc"; + clocks = <&clkc CLK_RTC>; + resets = <&rstc RST_RTC>; + interrupts = <163 IRQ_TYPE_EDGE_RISING>; + }; + + otp: otp@9c00af00 { + compatible = "sunplus,sp7021-ocotp"; + reg = <0x9c00af00 0x34>, <0x9c00af80 0x58>; + reg-names = "hb_gpio", "otprx"; + clocks = <&clkc CLK_OTPRX>; + resets = <&rstc RST_OTPRX>; + #address-cells = <1>; + #size-cells = <1>; + + therm_calib: thermal-calibration@14 { + reg = <0x14 0x3>; + }; + disc_vol: disconnect-voltage@18 { + reg = <0x18 0x2>; + }; + mac_addr0: mac-address0@34 { + reg = <0x34 0x6>; + }; + mac_addr1: mac-address1@3a { + reg = <0x3a 0x6>; + }; + }; + + uart0: serial@9c000900 { + compatible = "sunplus,sp7021-uart"; + reg = <0x9c000900 0x80>; + interrupts = <53 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clkc CLK_UA0>; + resets = <&rstc RST_UA0>; + pinctrl-names = "default"; + pinctrl-0 = <&uart0_pins>; + }; + + uart1: serial@9c000980 { + compatible = "sunplus,sp7021-uart"; + reg = <0x9c000980 0x80>; + interrupts = <54 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clkc CLK_UA1>; + resets = <&rstc RST_UA1>; + status = "disabled"; + pinctrl-names = "default"; + pinctrl-0 = <&uart1_pins>; + }; + + uart2: serial@9c000800 { + compatible = "sunplus,sp7021-uart"; + reg = <0x9c000800 0x80>; + interrupts = <55 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clkc CLK_UA2>; + resets = <&rstc RST_UA2>; + pinctrl-names = "default"; + pinctrl-0 = <&uart2_pins>; + status = "disabled"; + }; + + uart3: serial@9c000880 { + compatible = "sunplus,sp7021-uart"; + reg = <0x9c000880 0x80>; + interrupts = <56 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clkc CLK_UA3>; + resets = <&rstc RST_UA3>; + status = "disabled"; + }; + + uart4: serial@9c008780 { + compatible = "sunplus,sp7021-uart"; + reg = <0x9c008780 0x80>; + interrupts = <134 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clkc CLK_UA4>; + resets = <&rstc RST_UA4>; + pinctrl-names = "default"; + pinctrl-0 = <&uart4_pins>; + status = "disabled"; + }; + + spi_controller0: spi@9c002d80 { + compatible = "sunplus,sp7021-spi"; + reg = <0x9c002d80 0x80>, <0x9c002e00 0x80>; + reg-names = "master", "slave"; + interrupts = <144 IRQ_TYPE_LEVEL_HIGH>, + <146 IRQ_TYPE_LEVEL_HIGH>, + <145 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "dma_w", "master_risc", "slave_risc"; + clocks = <&clkc CLK_SPI_COMBO_0>; + resets = <&rstc RST_SPI_COMBO_0>; + + pinctrl-names = "default"; + pinctrl-0 = <&spi0_pins>; + cs-gpios = <&pctl 26 GPIO_ACTIVE_LOW>, + <&pctl 28 GPIO_ACTIVE_LOW>; + }; + + spi_controller1: spi@9c00f480 { + compatible = "sunplus,sp7021-spi"; + reg = <0x9c00f480 0x80>, <0x9c00f500 0x80>; + reg-names = "master", "slave"; + interrupts = <67 IRQ_TYPE_LEVEL_HIGH>, + <69 IRQ_TYPE_LEVEL_HIGH>, + <68 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "dma_w", "master_risc", "slave_risc"; + clocks = <&clkc CLK_SPI_COMBO_1>; + resets = <&rstc RST_SPI_COMBO_1>; + spi-max-frequency = <25000000>; + status = "disabled"; + }; + + spi_controller2: spi@9c00f600 { + compatible = "sunplus,sp7021-spi"; + reg = <0x9c00f600 0x80>, <0x9c00f680 0x80>; + reg-names = "master", "slave"; + interrupts = <70 IRQ_TYPE_LEVEL_HIGH>, + <72 IRQ_TYPE_LEVEL_HIGH>, + <71 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "dma_w", "master_risc", "slave_risc"; + clocks = <&clkc CLK_SPI_COMBO_2>; + resets = <&rstc RST_SPI_COMBO_2>; + spi-max-frequency = <25000000>; + status = "disabled"; + }; + + spi_controller3: spi@9c00f780 { + compatible = "sunplus,sp7021-spi"; + reg = <0x9c00f780 0x80>, <0x9c00f800 0x80>; + reg-names = "master", "slave"; + interrupts = <73 IRQ_TYPE_LEVEL_HIGH>, + <75 IRQ_TYPE_LEVEL_HIGH>, + <74 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "dma_w", "master_risc", "slave_risc"; + clocks = <&clkc CLK_SPI_COMBO_3>; + resets = <&rstc RST_SPI_COMBO_3>; + spi-max-frequency = <25000000>; + status = "disabled"; + }; + + pctl: pinctl@9c000100 { + compatible = "sunplus,sp7021-pctl"; + reg = <0x9C000100 0x100>, + <0x9C000300 0x100>, + <0x9C0032e4 0x1C>, + <0x9C000080 0x20>; + reg-names = "moon2", "gpioxt", "first", "moon1"; + gpio-controller; + #gpio-cells = <2>; + clocks = <&clkc CLK_GPIO>; + resets = <&rstc RST_GPIO>; + + leds_pins: pinmux_gpio_leds-pins { + sunplus,pins = < SPPCTL_IOPAD(0,SPPCTL_PCTL_G_GPIO,0,SPPCTL_PCTL_L_OUT) >; + }; + + emmc_pins: emmc-pins { + function = "CARD0_EMMC"; + groups = "CARD0_EMMC"; + }; + + sdcard-pins { + function = "SD_CARD"; + groups = "SD_CARD"; + sunplus,pins = < SPPCTL_IOPAD(91, SPPCTL_PCTL_G_GPIO, 0, 0) >; + }; + + emac_pins: pinmux_emac_demo_board_v3-pins { + sunplus,pins = < + SPPCTL_IOPAD(49,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_CLK_OUT,0) + SPPCTL_IOPAD(44,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_MAC_SMI_MDC,0) + SPPCTL_IOPAD(43,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_MAC_SMI_MDIO,0) + SPPCTL_IOPAD(52,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_TXEN,0) + SPPCTL_IOPAD(50,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_TXD0,0) + SPPCTL_IOPAD(51,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_TXD1,0) + SPPCTL_IOPAD(46,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_CRSDV,0) + SPPCTL_IOPAD(47,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_RXD0,0) + SPPCTL_IOPAD(48,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_RXD1,0) + SPPCTL_IOPAD(45,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_RXER,0) + SPPCTL_IOPAD(59,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_TXEN,0) + SPPCTL_IOPAD(57,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_TXD0,0) + SPPCTL_IOPAD(58,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_TXD1,0) + SPPCTL_IOPAD(54,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_CRSDV,0) + SPPCTL_IOPAD(55,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_RXD0,0) + SPPCTL_IOPAD(56,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_RXD1,0) + SPPCTL_IOPAD(53,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P1_MAC_RMII_RXER,0) + >; + sunplus,zerofunc = < + MUXF_L2SW_LED_FLASH0 + MUXF_L2SW_LED_FLASH1 + MUXF_L2SW_LED_ON0 + MUXF_L2SW_LED_ON1 + MUXF_DAISY_MODE + >; + }; + + uart0_pins: pinmux_uart0-pins { + function = "UA0"; + groups = "UA0"; + }; + + uart1_pins: pinmux_uart1-pins { + sunplus,pins = < + SPPCTL_IOPAD(14,SPPCTL_PCTL_G_PMUX,MUXF_UA4_TX,0) + SPPCTL_IOPAD(16,SPPCTL_PCTL_G_PMUX,MUXF_UA4_RX,0) + >; + }; + + uart2_pins: pinmux_uart2-pins { + sunplus,pins = < + SPPCTL_IOPAD(16,SPPCTL_PCTL_G_PMUX,MUXF_UA2_TX,0) + SPPCTL_IOPAD(17,SPPCTL_PCTL_G_PMUX,MUXF_UA2_RX,0) + SPPCTL_IOPAD(18,SPPCTL_PCTL_G_PMUX,MUXF_UA2_RTS,0) + SPPCTL_IOPAD(19,SPPCTL_PCTL_G_PMUX,MUXF_UA2_CTS,0) + >; + }; + + uart4_pins: pinmux_uart4-pins { + sunplus,pins = < + SPPCTL_IOPAD(22,SPPCTL_PCTL_G_PMUX,MUXF_UA4_TX,0) + SPPCTL_IOPAD(20,SPPCTL_PCTL_G_PMUX,MUXF_UA4_RX,0) + SPPCTL_IOPAD(23,SPPCTL_PCTL_G_PMUX,MUXF_UA4_RTS,0) + SPPCTL_IOPAD(21,SPPCTL_PCTL_G_PMUX,MUXF_UA4_CTS,0) + >; + }; + + spi0_pins: pinmux_spi0-pins { + sunplus,pins = < + SPPCTL_IOPAD(26,SPPCTL_PCTL_G_GPIO,0,0) + SPPCTL_IOPAD(28,SPPCTL_PCTL_G_GPIO,0,0) + SPPCTL_IOPAD(23,SPPCTL_PCTL_G_PMUX,MUXF_SPI0S_DO,0) + SPPCTL_IOPAD(25,SPPCTL_PCTL_G_PMUX,MUXF_SPI0S_DI,0) + SPPCTL_IOPAD(27,SPPCTL_PCTL_G_PMUX,MUXF_SPI0S_CLK,0) + >; + }; + }; + }; + + led { + compatible = "gpio-leds"; + pinctrl-names = "default"; + pinctrl-0 = <&leds_pins>; + system-led { + label = "system-led"; + gpios = <&pctl 0 GPIO_ACTIVE_HIGH>; + default-state = "off"; + linux,default-trigger = "heartbeat"; + }; + }; +};