[V4,2/3] clk: sprd: Add reset controller driver for ums512

Message ID	20240123025613.3976-3-zhifeng.tang@unisoc.com (mailing list archive)
State	Changes Requested, archived
Headers	show Received: from SHSQR01.spreadtrum.com (unknown [222.66.158.135]) (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 0EF781851 for <linux-clk@vger.kernel.org>; Tue, 23 Jan 2024 02:56:40 +0000 (UTC) From: Zhifeng Tang <zhifeng.tang@unisoc.com> To: Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@kernel.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, Orson Zhai <orsonzhai@gmail.com>, Baolin Wang <baolin.wang@linux.alibaba.com>, Chunyan Zhang <zhang.lyra@gmail.com>, Philipp Zabel <p.zabel@pengutronix.de> CC: <linux-clk@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, Zhifeng Tang <zhifeng.tang23@gmail.com>, Wenming Wu <wenming.wu@unisoc.com> Subject: [PATCH V4 2/3] clk: sprd: Add reset controller driver for ums512 Date: Tue, 23 Jan 2024 10:56:12 +0800 Message-ID: <20240123025613.3976-3-zhifeng.tang@unisoc.com> In-Reply-To: <20240123025613.3976-1-zhifeng.tang@unisoc.com> References: <20240123025613.3976-1-zhifeng.tang@unisoc.com> Precedence: bulk MIME-Version: 1.0 Content-Type: text/plain
Series	Add reset controller driver for ums512 \| expand [V4,0/3] Add reset controller driver for ums512 [V4,1/3] dt-bindings: reset: Add reset controller bindings for Unisoc's ums512 [V4,2/3] clk: sprd: Add reset controller driver for ums512 [V4,3/3] arm64: dts: sprd: Add reset controller driver for UMS512

diff --git a/drivers/clk/sprd/Makefile b/drivers/clk/sprd/Makefile index f25b2c3904fb..72f6ecf8291e 100644 --- a/drivers/clk/sprd/Makefile +++ b/drivers/clk/sprd/Makefile @@ -7,6 +7,7 @@ clk-sprd-y += mux.o clk-sprd-y += div.o clk-sprd-y += composite.o clk-sprd-y += pll.o +clk-sprd-y += reset.o ## SoC support obj-$(CONFIG_SPRD_SC9860_CLK) += sc9860-clk.o diff --git a/drivers/clk/sprd/common.c b/drivers/clk/sprd/common.c index 762f0961f17f..4ddec6348447 100644 --- a/drivers/clk/sprd/common.c +++ b/drivers/clk/sprd/common.c @@ -75,6 +75,7 @@ int sprd_clk_regmap_init(struct platform_device *pdev, } sprd_clk_set_regmap(desc, regmap); + platform_set_drvdata(pdev, regmap); return 0; } diff --git a/drivers/clk/sprd/common.h b/drivers/clk/sprd/common.h index 1d077b39cef6..1ac39af68497 100644 --- a/drivers/clk/sprd/common.h +++ b/drivers/clk/sprd/common.h @@ -24,6 +24,8 @@ struct sprd_clk_desc { struct sprd_clk_common **clk_clks; unsigned long num_clk_clks; struct clk_hw_onecell_data *hw_clks; + struct sprd_reset_map *resets; + unsigned long num_resets; }; static inline struct sprd_clk_common * diff --git a/drivers/clk/sprd/reset.c b/drivers/clk/sprd/reset.c new file mode 100644 index 000000000000..92d19465b531 --- /dev/null +++ b/drivers/clk/sprd/reset.c @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Spreadtrum reset clock driver +// +// Copyright (C) 2022 Spreadtrum, Inc. +// Author: Zhifeng Tang <zhifeng.tang@unisoc.com> + +#include <linux/delay.h> +#include <linux/regmap.h> +#include <linux/reset-controller.h> + +#include "reset.h" + +static inline struct sprd_reset *to_sprd_reset(struct reset_controller_dev *rcdev) +{ + return container_of(rcdev, struct sprd_reset, rcdev); +} + +static int sprd_reset_assert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct sprd_reset *reset = to_sprd_reset(rcdev); + const struct sprd_reset_map *map = &reset->reset_map[id]; + unsigned int offset = map->sc_offset; + unsigned long flags; + unsigned int val; + + if (map->sc) { + regmap_write(reset->regmap, map->reg + offset, map->mask); + } else { + spin_lock_irqsave(&reset->lock, flags); + regmap_read(reset->regmap, map->reg, &val); + val |= map->mask; + regmap_write(reset->regmap, map->reg, val); + spin_unlock_irqrestore(&reset->lock, flags); + } + + return 0; +} + +static int sprd_reset_deassert(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct sprd_reset *reset = to_sprd_reset(rcdev); + const struct sprd_reset_map *map = &reset->reset_map[id]; + unsigned int offset = map->sc_offset * 2; + unsigned long flags; + unsigned int val; + + if (map->sc) { + regmap_write(reset->regmap, map->reg + offset, map->mask); + } else { + spin_lock_irqsave(&reset->lock, flags); + regmap_read(reset->regmap, map->reg, &val); + val &= ~map->mask; + regmap_write(reset->regmap, map->reg, val); + spin_unlock_irqrestore(&reset->lock, flags); + } + + return 0; +} + +static int sprd_reset_reset(struct reset_controller_dev *rcdev, + unsigned long id) +{ + sprd_reset_assert(rcdev, id); + udelay(1); + sprd_reset_deassert(rcdev, id); + + return 0; +} + +const struct reset_control_ops sprd_reset_ops = { + .assert = sprd_reset_assert, + .deassert = sprd_reset_deassert, + .reset = sprd_reset_reset, +}; +EXPORT_SYMBOL_GPL(sprd_reset_ops); diff --git a/drivers/clk/sprd/reset.h b/drivers/clk/sprd/reset.h new file mode 100644 index 000000000000..155330b42775 --- /dev/null +++ b/drivers/clk/sprd/reset.h @@ -0,0 +1,30 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +// +// Spreadtrum reset clock driver +// +// Copyright (C) 2022 Spreadtrum, Inc. +// Author: Zhifeng Tang <zhifeng.tang@unisoc.com> + +#ifndef _SPRD_RESET_H_ +#define _SPRD_RESET_H_ + +#include <linux/reset-controller.h> +#include <linux/spinlock.h> + +struct sprd_reset_map { + u32 reg; + u32 mask; + bool sc; + u32 sc_offset; +}; + +struct sprd_reset { + struct reset_controller_dev rcdev; + const struct sprd_reset_map *reset_map; + struct regmap *regmap; + spinlock_t lock; +}; + +extern const struct reset_control_ops sprd_reset_ops; + +#endif /* _SPRD_RESET_H_ */ diff --git a/drivers/clk/sprd/ums512-clk.c b/drivers/clk/sprd/ums512-clk.c index 9384ecc6c741..cebc83608f0a 100644 --- a/drivers/clk/sprd/ums512-clk.c +++ b/drivers/clk/sprd/ums512-clk.c @@ -15,6 +15,7 @@ #include <linux/slab.h> #include <dt-bindings/clock/sprd,ums512-clk.h> +#include <dt-bindings/reset/sprd,ums512-reset.h> #include "common.h" #include "composite.h" @@ -22,6 +23,7 @@ #include "gate.h" #include "mux.h" #include "pll.h" +#include "reset.h" #define UMS512_MUX_FLAG \ (CLK_GET_RATE_NOCACHE | CLK_SET_RATE_NO_REPARENT) @@ -105,10 +107,42 @@ static struct clk_hw_onecell_data ums512_pmu_gate_hws = { .num = CLK_PMU_GATE_NUM, }; +static struct sprd_reset_map ums512_pmu_apb_resets[] = { + [RESET_PMU_APB_WTLCP_SOFT_RST] = { 0x00b0, BIT(0), true, 0x1000 }, + [RESET_PMU_APB_PUBCP_SOFT_RST] = { 0x00b0, BIT(1), true, 0x1000 }, + [RESET_PMU_APB_WTLCP_DSP_SOFT_RST] = { 0x00b0, BIT(2), true, 0x1000 }, + [RESET_PMU_APB_MM_SOFT_RST] = { 0x00b0, BIT(3), true, 0x1000 }, + [RESET_PMU_APB_GPU_SOFT_RST] = { 0x00b0, BIT(4), true, 0x1000 }, + [RESET_PMU_APB_AP_SOFT_RST] = { 0x00b0, BIT(5), true, 0x1000 }, + [RESET_PMU_APB_PUB_SOFT_RST] = { 0x00b0, BIT(6), true, 0x1000 }, + [RESET_PMU_APB_APCPU_SOFT_RST] = { 0x00b0, BIT(7), true, 0x1000 }, + [RESET_PMU_APB_SP_SYS_SOFT_RST] = { 0x00b0, BIT(8), true, 0x1000 }, + [RESET_PMU_APB_AUDCP_SYS_SOFT_RST] = { 0x00b0, BIT(9), true, 0x1000 }, + [RESET_PMU_APB_AUDCP_AUDDSP_SOFT_RST] = { 0x00b0, BIT(10), true, 0x1000 }, + [RESET_PMU_APB_CDMA_SOFT_RST] = { 0x00b0, BIT(11), true, 0x1000 }, + [RESET_PMU_APB_WTLCP_AON_SOFT_RST] = { 0x00b0, BIT(12), true, 0x1000 }, + [RESET_PMU_APB_WCDMA_AON_SOFT_RST] = { 0x00b0, BIT(13), true, 0x1000 }, + [RESET_PMU_APB_WTLCP_LDSP_SOFT_RST] = { 0x00b0, BIT(14), true, 0x1000 }, + [RESET_PMU_APB_WTLCP_TGDSP_SOFT_RST] = { 0x00b0, BIT(15), true, 0x1000 }, + [RESET_PMU_APB_AP_VSP_SOFT_RST] = { 0x00b0, BIT(16), true, 0x1000 }, + [RESET_PMU_APB_AP_VDSP_SOFT_RST] = { 0x00b0, BIT(17), true, 0x1000 }, + [RESET_PMU_APB_APCPU_CORE0_MODE_ST_SOFT_RST] = { 0x00b0, BIT(18), true, 0x1000 }, + [RESET_PMU_APB_APCPU_CORE1_MODE_ST_SOFT_RST] = { 0x00b0, BIT(19), true, 0x1000 }, + [RESET_PMU_APB_APCPU_CORE2_MODE_ST_SOFT_RST] = { 0x00b0, BIT(20), true, 0x1000 }, + [RESET_PMU_APB_APCPU_CORE3_MODE_ST_SOFT_RST] = { 0x00b0, BIT(21), true, 0x1000 }, + [RESET_PMU_APB_APCPU_CORE4_MODE_ST_SOFT_RST] = { 0x00b0, BIT(22), true, 0x1000 }, + [RESET_PMU_APB_APCPU_CORE5_MODE_ST_SOFT_RST] = { 0x00b0, BIT(23), true, 0x1000 }, + [RESET_PMU_APB_APCPU_CORE6_MODE_ST_SOFT_RST] = { 0x00b0, BIT(24), true, 0x1000 }, + [RESET_PMU_APB_APCPU_CORE7_MODE_ST_SOFT_RST] = { 0x00b0, BIT(25), true, 0x1000 }, + [RESET_PMU_APB_APCPU_CLUSTER_MODE_ST_SOFT_RST] = { 0x00b0, BIT(26), true, 0x1000 }, +}; + static struct sprd_clk_desc ums512_pmu_gate_desc = { .clk_clks = ums512_pmu_gate_clks, .num_clk_clks = ARRAY_SIZE(ums512_pmu_gate_clks), .hw_clks = &ums512_pmu_gate_hws, + .resets = ums512_pmu_apb_resets, + .num_resets = ARRAY_SIZE(ums512_pmu_apb_resets), }; /* pll clock at g0 */ @@ -450,10 +484,30 @@ static struct clk_hw_onecell_data ums512_apahb_gate_hws = { .num = CLK_AP_AHB_GATE_NUM, }; +static struct sprd_reset_map ums512_ap_ahb_resets[] = { + [RESET_AP_AHB_DSI_SOFT_RST] = { 0x0004, BIT(0), true, 0x1000 }, + [RESET_AP_AHB_DISPC_SOFT_RST] = { 0x0004, BIT(1), true, 0x1000 }, + [RESET_AP_AHB_VDSP_IDMA_VAU_SOFT_RST] = { 0x0004, BIT(2), true, 0x1000 }, + [RESET_AP_AHB_VDSP_MSTD_VAU_SOFT_RST] = { 0x0004, BIT(3), true, 0x1000 }, + [RESET_AP_AHB_VDSP_MSTI_VAU_SOFT_RST] = { 0x0004, BIT(4), true, 0x1000 }, + [RESET_AP_AHB_VDMA_VAU_SOFT_RST] = { 0x0004, BIT(5), true, 0x1000 }, + [RESET_AP_AHB_IPI_SOFT_RST] = { 0x0004, BIT(6), true, 0x1000 }, + [RESET_AP_AHB_VDMA_SOFT_RST] = { 0x0004, BIT(7), true, 0x1000 }, + [RESET_AP_AHB_DMA_SOFT_RST] = { 0x0004, BIT(8), true, 0x1000 }, + [RESET_AP_AHB_VDSP_SOFT_RST] = { 0x0004, BIT(9), true, 0x1000 }, + [RESET_AP_AHB_VDSP_DEBUG_SOFT_RST] = { 0x0004, BIT(10), true, 0x1000 }, + [RESET_AP_AHB_VSP_GLOBAL_SOFT_RST] = { 0x0004, BIT(11), true, 0x1000 }, + [RESET_AP_AHB_VPP_SOFT_RST] = { 0x0004, BIT(12), true, 0x1000 }, + [RESET_AP_AHB_VSP_SOFT_RST] = { 0x0004, BIT(13), true, 0x1000 }, + [RESET_AP_AHB_DISPC_VAU_SOFT_RST] = { 0x0004, BIT(14), true, 0x1000 }, +}; + static struct sprd_clk_desc ums512_apahb_gate_desc = { .clk_clks = ums512_apahb_gate, .num_clk_clks = ARRAY_SIZE(ums512_apahb_gate), .hw_clks = &ums512_apahb_gate_hws, + .resets = ums512_ap_ahb_resets, + .num_resets = ARRAY_SIZE(ums512_ap_ahb_resets), }; /* ap clks */ @@ -1542,10 +1596,82 @@ static struct clk_hw_onecell_data ums512_aon_gate_hws = { .num = CLK_AON_APB_GATE_NUM, }; +static struct sprd_reset_map ums512_aon_ahb_resets[] = { + [RESET_AON_APB_RC100M_CAL_SOFT_RST] = { 0x000c, BIT(0), true, 0x1000 }, + [RESET_AON_APB_RFTI_SOFT_RST] = { 0x000c, BIT(1), true, 0x1000 }, + [RESET_AON_APB_DCXO_LC_SOFT_RST] = { 0x000c, BIT(2), true, 0x1000 }, + [RESET_AON_APB_BB_CAL_SOFT_RST] = { 0x000c, BIT(3), true, 0x1000 }, + [RESET_AON_APB_MSPI0_SOFT_RST] = { 0x000c, BIT(4), true, 0x1000 }, + [RESET_AON_APB_MSPI1_SOFT_RST] = { 0x000c, BIT(5), true, 0x1000 }, + [RESET_AON_APB_DAP_MTX_SOFT_RST] = { 0x000c, BIT(6), true, 0x1000 }, + [RESET_AON_APB_LVDSDIS_SOFT_RST] = { 0x000c, BIT(7), true, 0x1000 }, + [RESET_AON_APB_SERDES_DPHY_SOFT_RST] = { 0x000c, BIT(8), true, 0x1000 }, + [RESET_AON_APB_SERDES_DPHY_APB_SOFT_RST] = { 0x000c, BIT(9), true, 0x1000 }, + [RESET_AON_APB_AP_EMMC_SOFT_RST] = { 0x000c, BIT(10), true, 0x1000 }, + [RESET_AON_APB_AP_SDIO0_SOFT_RST] = { 0x000c, BIT(11), true, 0x1000 }, + [RESET_AON_APB_AP_SDIO1_SOFT_RST] = { 0x000c, BIT(12), true, 0x1000 }, + [RESET_AON_APB_AP_SDIO2_SOFT_RST] = { 0x000c, BIT(13), true, 0x1000 }, + [RESET_AON_APB_PUBCP_SDIO0_SOFT_RST] = { 0x000c, BIT(14), true, 0x1000 }, + [RESET_AON_APB_EFUSE_SOFT_RST] = { 0x0010, BIT(0), true, 0x1000 }, + [RESET_AON_APB_GPIO_SOFT_RST] = { 0x0010, BIT(1), true, 0x1000 }, + [RESET_AON_APB_MBOX_SOFT_RST] = { 0x0010, BIT(2), true, 0x1000 }, + [RESET_AON_APB_KPD_SOFT_RST] = { 0x0010, BIT(3), true, 0x1000 }, + [RESET_AON_APB_AON_SYST_SOFT_RST] = { 0x0010, BIT(4), true, 0x1000 }, + [RESET_AON_APB_AP_SYST_SOFT_RST] = { 0x0010, BIT(5), true, 0x1000 }, + [RESET_AON_APB_AON_TMR_SOFT_RST] = { 0x0010, BIT(6), true, 0x1000 }, + [RESET_AON_APB_DVFS_TOP_SOFT_RST] = { 0x0010, BIT(7), true, 0x1000 }, + [RESET_AON_APB_OTG_UTMI_SOFT_RST] = { 0x0010, BIT(8), true, 0x1000 }, + [RESET_AON_APB_OTG_PHY_SOFT_RST] = { 0x0010, BIT(9), true, 0x1000 }, + [RESET_AON_APB_SPLK_SOFT_RST] = { 0x0010, BIT(10), true, 0x1000 }, + [RESET_AON_APB_PIN_SOFT_RST] = { 0x0010, BIT(11), true, 0x1000 }, + [RESET_AON_APB_ANA_SOFT_RST] = { 0x0010, BIT(12), true, 0x1000 }, + [RESET_AON_APB_CKG_SOFT_RST] = { 0x0010, BIT(13), true, 0x1000 }, + [RESET_AON_APB_ETC_SOFT_RST] = { 0x0010, BIT(14), true, 0x1000 }, + [RESET_AON_APB_APCPU_TS0_SOFT_RST] = { 0x0010, BIT(17), true, 0x1000 }, + [RESET_AON_APB_APB_BUSMON_SOFT_RST] = { 0x0010, BIT(18), true, 0x1000 }, + [RESET_AON_APB_AON_IIS_SOFT_RST] = { 0x0010, BIT(19), true, 0x1000 }, + [RESET_AON_APB_SCC_SOFT_RST] = { 0x0010, BIT(20), true, 0x1000 }, + [RESET_AON_APB_THM0_SOFT_RST] = { 0x0014, BIT(0), true, 0x1000 }, + [RESET_AON_APB_THM1_SOFT_RST] = { 0x0014, BIT(1), true, 0x1000 }, + [RESET_AON_APB_THM2_SOFT_RST] = { 0x0014, BIT(2), true, 0x1000 }, + [RESET_AON_APB_AP_SIM_AON_TOP_SOFT_RST] = { 0x0014, BIT(3), true, 0x1000 }, + [RESET_AON_APB_PUBCP_SIM0_AON_TOP_SOFT_RST] = { 0x0014, BIT(4), true, 0x1000 }, + [RESET_AON_APB_PUBCP_SIM1_AON_TOP_SOFT_RST] = { 0x0014, BIT(5), true, 0x1000 }, + [RESET_AON_APB_PUBCP_SIM2_AON_TOP_SOFT_RST] = { 0x0014, BIT(6), true, 0x1000 }, + [RESET_AON_APB_I2C_SOFT_RST] = { 0x0014, BIT(7), true, 0x1000 }, + [RESET_AON_APB_PMU_SOFT_RST] = { 0x0014, BIT(8), true, 0x1000 }, + [RESET_AON_APB_ADI_SOFT_RST] = { 0x0014, BIT(9), true, 0x1000 }, + [RESET_AON_APB_EIC_SOFT_RST] = { 0x0014, BIT(10), true, 0x1000 }, + [RESET_AON_APB_AP_INTC0_SOFT_RST] = { 0x0014, BIT(11), true, 0x1000 }, + [RESET_AON_APB_AP_INTC1_SOFT_RST] = { 0x0014, BIT(12), true, 0x1000 }, + [RESET_AON_APB_AP_INTC2_SOFT_RST] = { 0x0014, BIT(13), true, 0x1000 }, + [RESET_AON_APB_AP_INTC3_SOFT_RST] = { 0x0014, BIT(14), true, 0x1000 }, + [RESET_AON_APB_AP_INTC4_SOFT_RST] = { 0x0014, BIT(15), true, 0x1000 }, + [RESET_AON_APB_AP_INTC5_SOFT_RST] = { 0x0014, BIT(16), true, 0x1000 }, + [RESET_AON_APB_AUDCP_INTC_SOFT_RST] = { 0x0014, BIT(17), true, 0x1000 }, + [RESET_AON_APB_PUBCP_INTC_SOFT_RST] = { 0x0014, BIT(18), true, 0x1000 }, + [RESET_AON_APB_WTLCP_TGDSP_INTC_SOFT_RST] = { 0x0014, BIT(19), true, 0x1000 }, + [RESET_AON_APB_WTLCP_LDSP_INTC_SOFT_RST] = { 0x0014, BIT(20), true, 0x1000 }, + [RESET_AON_APB_WTLCP_INTC_SOFT_RST] = { 0x0014, BIT(21), true, 0x1000 }, + [RESET_AON_APB_AP_TMR0_SOFT_RST] = { 0x0014, BIT(22), true, 0x1000 }, + [RESET_AON_APB_AP_TMR1_SOFT_RST] = { 0x0014, BIT(23), true, 0x1000 }, + [RESET_AON_APB_AP_TMR2_SOFT_RST] = { 0x0014, BIT(24), true, 0x1000 }, + [RESET_AON_APB_PWM0_SOFT_RST] = { 0x0014, BIT(25), true, 0x1000 }, + [RESET_AON_APB_PWM1_SOFT_RST] = { 0x0014, BIT(26), true, 0x1000 }, + [RESET_AON_APB_PWM2_SOFT_RST] = { 0x0014, BIT(27), true, 0x1000 }, + [RESET_AON_APB_PWM3_SOFT_RST] = { 0x0014, BIT(28), true, 0x1000 }, + [RESET_AON_APB_AP_WDG_SOFT_RST] = { 0x0014, BIT(29), true, 0x1000 }, + [RESET_AON_APB_APCPU_WDG_SOFT_RST] = { 0x0014, BIT(30), true, 0x1000 }, + [RESET_AON_APB_SERDES_SOFT_RST] = { 0x0014, BIT(31), true, 0x1000 }, + [RESET_AON_APB_DJTAG_SOFT_RST] = { 0x0130, BIT(10), true, 0x1000 }, +}; + static struct sprd_clk_desc ums512_aon_gate_desc = { .clk_clks = ums512_aon_gate, .num_clk_clks = ARRAY_SIZE(ums512_aon_gate), .hw_clks = &ums512_aon_gate_hws, + .resets = ums512_aon_ahb_resets, + .num_resets = ARRAY_SIZE(ums512_aon_ahb_resets), }; /* audcp apb gates */ @@ -1584,10 +1710,18 @@ static struct clk_hw_onecell_data ums512_audcpapb_gate_hws = { .num = CLK_AUDCP_APB_GATE_NUM, }; +static struct sprd_reset_map ums512_audcp_apb_resets[] = { + [RESET_AUDCP_APB_WDG_SOFT_RST] = { 0x0004, BIT(1), true, 0x100 }, + [RESET_AUDCP_APB_TMR0_SOFT_RST] = { 0x0004, BIT(2), true, 0x100 }, + [RESET_AUDCP_APB_TMR1_SOFT_RST] = { 0x0004, BIT(3), true, 0x100 }, +}; + static const struct sprd_clk_desc ums512_audcpapb_gate_desc = { .clk_clks = ums512_audcpapb_gate, .num_clk_clks = ARRAY_SIZE(ums512_audcpapb_gate), .hw_clks = &ums512_audcpapb_gate_hws, + .resets = ums512_audcp_apb_resets, + .num_resets = ARRAY_SIZE(ums512_audcp_apb_resets), }; /* audcp ahb gates */ @@ -1696,10 +1830,29 @@ static struct clk_hw_onecell_data ums512_audcpahb_gate_hws = { .num = CLK_AUDCP_AHB_GATE_NUM, }; +static struct sprd_reset_map ums512_audcp_ahb_resets[] = { + [RESET_AUDCP_AHB_VBC_24M_SOFT_RST] = { 0x0008, BIT(0), true, 0x100 }, + [RESET_AUDCP_AHB_DMA_AP_SOFT_RST] = { 0x0008, BIT(1), true, 0x100 }, + [RESET_AUDCP_AHB_SRC48K_SOFT_RST] = { 0x0008, BIT(5), true, 0x100 }, + [RESET_AUDCP_AHB_MCDT_SOFT_RST] = { 0x0008, BIT(7), true, 0x100 }, + [RESET_AUDCP_AHB_VBCIFD_SOFT_RST] = { 0x0008, BIT(8), true, 0x100 }, + [RESET_AUDCP_AHB_VBC_SOFT_RST] = { 0x0008, BIT(9), true, 0x100 }, + [RESET_AUDCP_AHB_SPINLOCK_SOFT_RST] = { 0x0008, BIT(10), true, 0x100 }, + [RESET_AUDCP_AHB_DMA_CP_SOFT_RST] = { 0x0008, BIT(11), true, 0x100 }, + [RESET_AUDCP_AHB_IIS0_SOFT_RST] = { 0x0008, BIT(12), true, 0x100 }, + [RESET_AUDCP_AHB_IIS1_SOFT_RST] = { 0x0008, BIT(13), true, 0x100 }, + [RESET_AUDCP_AHB_IIS2_SOFT_RST] = { 0x0008, BIT(14), true, 0x100 }, + [RESET_AUDCP_AHB_UART_SOFT_RST] = { 0x0008, BIT(16), true, 0x100 }, + [RESET_AUDCP_AHB_AUD_SOFT_RST] = { 0x0008, BIT(25), true, 0x100 }, + [RESET_AUDCP_AHB_DVFS_SOFT_RST] = { 0x0008, BIT(26), true, 0x100 }, +}; + static const struct sprd_clk_desc ums512_audcpahb_gate_desc = { .clk_clks = ums512_audcpahb_gate, .num_clk_clks = ARRAY_SIZE(ums512_audcpahb_gate), .hw_clks = &ums512_audcpahb_gate_hws, + .resets = ums512_audcp_ahb_resets, + .num_resets = ARRAY_SIZE(ums512_audcp_ahb_resets), }; /* gpu clocks */ @@ -1752,10 +1905,17 @@ static struct clk_hw_onecell_data ums512_gpu_clk_hws = { .num = CLK_GPU_CLK_NUM, }; +static struct sprd_reset_map ums512_gpu_apb_resets[] = { + [RESET_GPU_APB_GPU_CORE_SOFT_RST] = { 0x0000, BIT(0), true, 0x1000 }, + [RESET_GPU_APB_SYS_SOFT_RST_REQ_CORE] = { 0x0000, BIT(1), true, 0x1000 }, +}; + static struct sprd_clk_desc ums512_gpu_clk_desc = { .clk_clks = ums512_gpu_clk, .num_clk_clks = ARRAY_SIZE(ums512_gpu_clk), .hw_clks = &ums512_gpu_clk_hws, + .resets = ums512_gpu_apb_resets, + .num_resets = ARRAY_SIZE(ums512_gpu_apb_resets), }; /* mm clocks */ @@ -1994,10 +2154,42 @@ static struct clk_hw_onecell_data ums512_mm_gate_clk_hws = { .num = CLK_MM_GATE_CLK_NUM, }; +static struct sprd_reset_map ums512_mm_ahb_resets[] = { + [RESET_MM_AHB_CKG_SOFT_RST] = { 0x0004, BIT(0), true, 0x1000 }, + [RESET_MM_AHB_JPG_SOFT_RST] = { 0x0004, BIT(1), true, 0x1000 }, + [RESET_MM_AHB_DCAM_AXI_SOFT_RST] = { 0x0004, BIT(2), true, 0x1000 }, + [RESET_MM_AHB_DCAM2_SOFT_RST] = { 0x0004, BIT(3), true, 0x1000 }, + [RESET_MM_AHB_DCAM1_SOFT_RST] = { 0x0004, BIT(4), true, 0x1000 }, + [RESET_MM_AHB_DCAM0_SOFT_RST] = { 0x0004, BIT(5), true, 0x1000 }, + [RESET_MM_AHB_DCAM_VAU_SOFT_RST] = { 0x0004, BIT(6), true, 0x1000 }, + [RESET_MM_AHB_MIPI_CSI2_SOFT_RST] = { 0x0004, BIT(7), true, 0x1000 }, + [RESET_MM_AHB_MIPI_CSI1_SOFT_RST] = { 0x0004, BIT(8), true, 0x1000 }, + [RESET_MM_AHB_MIPI_CSI0_SOFT_RST] = { 0x0004, BIT(9), true, 0x1000 }, + [RESET_MM_AHB_ISP_SOFT_RST] = { 0x0004, BIT(10), true, 0x1000 }, + [RESET_MM_AHB_ISP_VAU_SOFT_RST] = { 0x0004, BIT(11), true, 0x1000 }, + [RESET_MM_AHB_ISP_AHB_SOFT_RST] = { 0x0004, BIT(12), true, 0x1000 }, + [RESET_MM_AHB_CPP_DMA_SOFT_RST] = { 0x0004, BIT(13), true, 0x1000 }, + [RESET_MM_AHB_CPP_PATH1_SOFT_RST] = { 0x0004, BIT(14), true, 0x1000 }, + [RESET_MM_AHB_CPP_PATH0_SOFT_RST] = { 0x0004, BIT(15), true, 0x1000 }, + [RESET_MM_AHB_CPP_SOFT_RST] = { 0x0004, BIT(16), true, 0x1000 }, + [RESET_MM_AHB_MM_MAIN_SOFT_RST] = { 0x0004, BIT(17), true, 0x1000 }, + [RESET_MM_AHB_CPP_SOFT_RST_MASK] = { 0x0004, BIT(18), true, 0x1000 }, + [RESET_MM_AHB_JPG_SOFT_RST_MASK] = { 0x0004, BIT(19), true, 0x1000 }, + [RESET_MM_AHB_JPG_VAU_SOFT_RST] = { 0x0004, BIT(20), true, 0x1000 }, + [RESET_MM_AHB_CPP_VAU_SOFT_RST] = { 0x0004, BIT(21), true, 0x1000 }, + [RESET_MM_AHB_FD_VAU_SOFT_RST] = { 0x0004, BIT(22), true, 0x1000 }, + [RESET_MM_AHB_DCAM_ALL_SOFT_RST] = { 0x0004, BIT(23), true, 0x1000 }, + [RESET_MM_AHB_DVFS_SOFT_RST] = { 0x0004, BIT(24), true, 0x1000 }, + [RESET_MM_AHB_FD_SOFT_RST] = { 0x0004, BIT(26), true, 0x1000 }, + [RESET_MM_AHB_FD_SOFT_RST_MASK] = { 0x0004, BIT(27), true, 0x1000 }, +}; + static struct sprd_clk_desc ums512_mm_gate_clk_desc = { .clk_clks = ums512_mm_gate_clk, .num_clk_clks = ARRAY_SIZE(ums512_mm_gate_clk), .hw_clks = &ums512_mm_gate_clk_hws, + .resets = ums512_mm_ahb_resets, + .num_resets = ARRAY_SIZE(ums512_mm_ahb_resets), }; /* ap apb gates */ @@ -2132,10 +2324,38 @@ static struct clk_hw_onecell_data ums512_apapb_gate_hws = { .num = CLK_AP_APB_GATE_NUM, }; +static struct sprd_reset_map ums512_ap_apb_resets[] = { + [RESET_AP_APB_SIM0_SOFT_RST] = { 0x0004, BIT(0), true, 0x1000 }, + [RESET_AP_APB_IIS0_SOFT_RST] = { 0x0004, BIT(1), true, 0x1000 }, + [RESET_AP_APB_IIS1_SOFT_RST] = { 0x0004, BIT(2), true, 0x1000 }, + [RESET_AP_APB_IIS2_SOFT_RST] = { 0x0004, BIT(3), true, 0x1000 }, + [RESET_AP_APB_SPI0_SOFT_RST] = { 0x0004, BIT(4), true, 0x1000 }, + [RESET_AP_APB_SPI1_SOFT_RST] = { 0x0004, BIT(5), true, 0x1000 }, + [RESET_AP_APB_SPI2_SOFT_RST] = { 0x0004, BIT(6), true, 0x1000 }, + [RESET_AP_APB_SPI3_SOFT_RST] = { 0x0004, BIT(7), true, 0x1000 }, + [RESET_AP_APB_I2C0_SOFT_RST] = { 0x0004, BIT(8), true, 0x1000 }, + [RESET_AP_APB_I2C1_SOFT_RST] = { 0x0004, BIT(9), true, 0x1000 }, + [RESET_AP_APB_I2C2_SOFT_RST] = { 0x0004, BIT(10), true, 0x1000 }, + [RESET_AP_APB_I2C3_SOFT_RST] = { 0x0004, BIT(11), true, 0x1000 }, + [RESET_AP_APB_I2C4_SOFT_RST] = { 0x0004, BIT(12), true, 0x1000 }, + [RESET_AP_APB_UART0_SOFT_RST] = { 0x0004, BIT(13), true, 0x1000 }, + [RESET_AP_APB_UART1_SOFT_RST] = { 0x0004, BIT(14), true, 0x1000 }, + [RESET_AP_APB_UART2_SOFT_RST] = { 0x0004, BIT(15), true, 0x1000 }, + [RESET_AP_APB_SDIO0_SOFT_RST] = { 0x0004, BIT(16), true, 0x1000 }, + [RESET_AP_APB_SDIO1_SOFT_RST] = { 0x0004, BIT(17), true, 0x1000 }, + [RESET_AP_APB_SDIO2_SOFT_RST] = { 0x0004, BIT(18), true, 0x1000 }, + [RESET_AP_APB_EMMC_SOFT_RST] = { 0x0004, BIT(19), true, 0x1000 }, + [RESET_AP_APB_CE_SEC_SOFT_RST] = { 0x0004, BIT(20), true, 0x1000 }, + [RESET_AP_APB_CE_PUB_SOFT_RST] = { 0x0004, BIT(21), true, 0x1000 }, + [RESET_AP_APB_AP_DVFS_SOFT_RST] = { 0x0004, BIT(22), true, 0x1000 }, +}; + static struct sprd_clk_desc ums512_apapb_gate_desc = { .clk_clks = ums512_apapb_gate, .num_clk_clks = ARRAY_SIZE(ums512_apapb_gate), .hw_clks = &ums512_apapb_gate_hws, + .resets = ums512_ap_apb_resets, + .num_resets = ARRAY_SIZE(ums512_ap_apb_resets), }; static const struct of_device_id sprd_ums512_clk_ids[] = { @@ -2176,6 +2396,7 @@ MODULE_DEVICE_TABLE(of, sprd_ums512_clk_ids); static int ums512_clk_probe(struct platform_device *pdev) { const struct sprd_clk_desc *desc; + struct sprd_reset *reset; int ret; desc = device_get_match_data(&pdev->dev); @@ -2186,6 +2407,25 @@ static int ums512_clk_probe(struct platform_device *pdev) if (ret) return ret; + if (desc->num_resets > 0) { + reset = devm_kzalloc(&pdev->dev, sizeof(*reset), GFP_KERNEL); + if (!reset) + return -ENOMEM; + + spin_lock_init(&reset->lock); + reset->rcdev.of_node = pdev->dev.of_node; + reset->rcdev.ops = &sprd_reset_ops; + reset->rcdev.nr_resets = desc->num_resets; + reset->reset_map = desc->resets; + reset->regmap = platform_get_drvdata(pdev); + + ret = devm_reset_controller_register(&pdev->dev, &reset->rcdev); + if (ret) { + dev_err(&pdev->dev, "Failed to register reset controller\n"); + return ret; + } + } + return sprd_clk_probe(&pdev->dev, desc->hw_clks); }

[V4,2/3] clk: sprd: Add reset controller driver for ums512

Commit Message

Patch