From f7b462646e81238ff278f731384832582229feab Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Sun, 5 Jun 2022 18:05:04 +0200 Subject: [PATCH] ARM: dts: exynos: use local header for pinctrl register values The DTS uses hardware register values directly in pin controller pin configuration. These are not some IDs or other abstraction layer but raw numbers used in the registers. These numbers were previously put in the bindings header to avoid code duplication and to provide some context meaning (name), but they do not fit the purpose of bindings. Store the constants in a header next to DTS and use them instead of bindings. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Chanho Park Acked-by: Rob Herring Link: https://lore.kernel.org/r/20220605160508.134075-5-krzysztof.kozlowski@linaro.org --- arch/arm/boot/dts/exynos-pinctrl.h | 55 +++++++++++++++++++++++ arch/arm/boot/dts/exynos3250-pinctrl.dtsi | 2 +- arch/arm/boot/dts/exynos4210-pinctrl.dtsi | 2 +- arch/arm/boot/dts/exynos4412-midas.dtsi | 3 +- arch/arm/boot/dts/exynos4412-p4note.dtsi | 2 +- arch/arm/boot/dts/exynos4412-pinctrl.dtsi | 2 +- arch/arm/boot/dts/exynos5250-pinctrl.dtsi | 2 +- arch/arm/boot/dts/exynos5260-pinctrl.dtsi | 2 +- arch/arm/boot/dts/exynos5410-pinctrl.dtsi | 2 +- arch/arm/boot/dts/exynos5420-pinctrl.dtsi | 2 +- 10 files changed, 65 insertions(+), 9 deletions(-) create mode 100644 arch/arm/boot/dts/exynos-pinctrl.h diff --git a/arch/arm/boot/dts/exynos-pinctrl.h b/arch/arm/boot/dts/exynos-pinctrl.h new file mode 100644 index 0000000000000..e3a6df95281c4 --- /dev/null +++ b/arch/arm/boot/dts/exynos-pinctrl.h @@ -0,0 +1,55 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Samsung Exynos DTS pinctrl constants + * + * Copyright (c) 2016 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * Copyright (c) 2022 Linaro Ltd + * Author: Krzysztof Kozlowski + */ + +#ifndef __DTS_ARM_SAMSUNG_EXYNOS_PINCTRL_H__ +#define __DTS_ARM_SAMSUNG_EXYNOS_PINCTRL_H__ + +#define EXYNOS_PIN_PULL_NONE 0 +#define EXYNOS_PIN_PULL_DOWN 1 +#define EXYNOS_PIN_PULL_UP 3 + +/* Pin function in power down mode */ +#define EXYNOS_PIN_PDN_OUT0 0 +#define EXYNOS_PIN_PDN_OUT1 1 +#define EXYNOS_PIN_PDN_INPUT 2 +#define EXYNOS_PIN_PDN_PREV 3 + +/* Drive strengths for Exynos3250, Exynos4 (all) and Exynos5250 */ +#define EXYNOS4_PIN_DRV_LV1 0 +#define EXYNOS4_PIN_DRV_LV2 2 +#define EXYNOS4_PIN_DRV_LV3 1 +#define EXYNOS4_PIN_DRV_LV4 3 + +/* Drive strengths for Exynos5260 */ +#define EXYNOS5260_PIN_DRV_LV1 0 +#define EXYNOS5260_PIN_DRV_LV2 1 +#define EXYNOS5260_PIN_DRV_LV4 2 +#define EXYNOS5260_PIN_DRV_LV6 3 + +/* + * Drive strengths for Exynos5410, Exynos542x, Exynos5800 and Exynos850 (except + * GPIO_HSI block) + */ +#define EXYNOS5420_PIN_DRV_LV1 0 +#define EXYNOS5420_PIN_DRV_LV2 1 +#define EXYNOS5420_PIN_DRV_LV3 2 +#define EXYNOS5420_PIN_DRV_LV4 3 + +#define EXYNOS_PIN_FUNC_INPUT 0 +#define EXYNOS_PIN_FUNC_OUTPUT 1 +#define EXYNOS_PIN_FUNC_2 2 +#define EXYNOS_PIN_FUNC_3 3 +#define EXYNOS_PIN_FUNC_4 4 +#define EXYNOS_PIN_FUNC_5 5 +#define EXYNOS_PIN_FUNC_6 6 +#define EXYNOS_PIN_FUNC_EINT 0xf +#define EXYNOS_PIN_FUNC_F EXYNOS_PIN_FUNC_EINT + +#endif /* __DTS_ARM_SAMSUNG_EXYNOS_PINCTRL_H__ */ diff --git a/arch/arm/boot/dts/exynos3250-pinctrl.dtsi b/arch/arm/boot/dts/exynos3250-pinctrl.dtsi index cc30d154ec949..011ba2eff29eb 100644 --- a/arch/arm/boot/dts/exynos3250-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos3250-pinctrl.dtsi @@ -9,7 +9,7 @@ * tree nodes are listed in this file. */ -#include +#include "exynos-pinctrl.h" #define PIN_IN(_pin, _pull, _drv) \ pin- ## _pin { \ diff --git a/arch/arm/boot/dts/exynos4210-pinctrl.dtsi b/arch/arm/boot/dts/exynos4210-pinctrl.dtsi index 6373009bb7272..76f44ae0de469 100644 --- a/arch/arm/boot/dts/exynos4210-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos4210-pinctrl.dtsi @@ -11,7 +11,7 @@ * tree nodes are listed in this file. */ -#include +#include "exynos-pinctrl.h" &pinctrl_0 { gpa0: gpa0-gpio-bank { diff --git a/arch/arm/boot/dts/exynos4412-midas.dtsi b/arch/arm/boot/dts/exynos4412-midas.dtsi index 23f50c9be5273..b967397a46c5b 100644 --- a/arch/arm/boot/dts/exynos4412-midas.dtsi +++ b/arch/arm/boot/dts/exynos4412-midas.dtsi @@ -12,11 +12,12 @@ /dts-v1/; #include "exynos4412.dtsi" #include "exynos4412-ppmu-common.dtsi" + #include #include #include #include -#include +#include "exynos-pinctrl.h" / { compatible = "samsung,midas", "samsung,exynos4412", "samsung,exynos4"; diff --git a/arch/arm/boot/dts/exynos4412-p4note.dtsi b/arch/arm/boot/dts/exynos4412-p4note.dtsi index 1fd051b52387a..7a515b87bc7c5 100644 --- a/arch/arm/boot/dts/exynos4412-p4note.dtsi +++ b/arch/arm/boot/dts/exynos4412-p4note.dtsi @@ -15,8 +15,8 @@ #include #include #include -#include #include +#include "exynos-pinctrl.h" / { compatible = "samsung,p4note", "samsung,exynos4412", "samsung,exynos4"; diff --git a/arch/arm/boot/dts/exynos4412-pinctrl.dtsi b/arch/arm/boot/dts/exynos4412-pinctrl.dtsi index 88b8afd55664a..58847d4fa846b 100644 --- a/arch/arm/boot/dts/exynos4412-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos4412-pinctrl.dtsi @@ -9,7 +9,7 @@ * tree nodes are listed in this file. */ -#include +#include "exynos-pinctrl.h" #define PIN_SLP(_pin, _mode, _pull) \ _pin { \ diff --git a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi index 918947a3897e4..48732edadff15 100644 --- a/arch/arm/boot/dts/exynos5250-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos5250-pinctrl.dtsi @@ -9,7 +9,7 @@ * tree nodes are listed in this file. */ -#include +#include "exynos-pinctrl.h" &pinctrl_0 { gpa0: gpa0-gpio-bank { diff --git a/arch/arm/boot/dts/exynos5260-pinctrl.dtsi b/arch/arm/boot/dts/exynos5260-pinctrl.dtsi index 150607f8103d6..43e4a541f4798 100644 --- a/arch/arm/boot/dts/exynos5260-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos5260-pinctrl.dtsi @@ -9,7 +9,7 @@ * tree nodes are listed in this file. */ -#include +#include "exynos-pinctrl.h" &pinctrl_0 { gpa0: gpa0-gpio-bank { diff --git a/arch/arm/boot/dts/exynos5410-pinctrl.dtsi b/arch/arm/boot/dts/exynos5410-pinctrl.dtsi index 6c7814b4372ef..f7b9233828922 100644 --- a/arch/arm/boot/dts/exynos5410-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos5410-pinctrl.dtsi @@ -6,7 +6,7 @@ * https://www.hardkernel.com */ -#include +#include "exynos-pinctrl.h" &pinctrl_0 { gpa0: gpa0-gpio-bank { diff --git a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi index 546ba274f4e51..14cf9c4ca0ed7 100644 --- a/arch/arm/boot/dts/exynos5420-pinctrl.dtsi +++ b/arch/arm/boot/dts/exynos5420-pinctrl.dtsi @@ -9,7 +9,7 @@ * tree nodes are listed in this file. */ -#include +#include "exynos-pinctrl.h" &pinctrl_0 { gpy7: gpy7-gpio-bank { -- 2.30.2