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[188.155.176.92]) by smtp.gmail.com with ESMTPSA id f27-20020a50a6db000000b0042be2dfa8bdsm267962edc.81.2022.05.26.07.37.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 May 2022 07:37:22 -0700 (PDT) From: Krzysztof Kozlowski To: Rob Herring , Krzysztof Kozlowski , Alim Akhtar , Tomasz Figa , Sylwester Nawrocki , Linus Walleij , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH 2/7] ARM: dts: s3c64xx: use local header for pinctrl register values Date: Thu, 26 May 2022 16:37:02 +0200 Message-Id: <20220526143707.767490-3-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220526143707.767490-1-krzysztof.kozlowski@linaro.org> References: <20220526143707.767490-1-krzysztof.kozlowski@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org 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. It is also quite confusing to use constants prefixed with Exynos for other SoC, because there is actually nothing here in common, except the actual value. Store the constants in a header next to DTS and use them instead of bindings. Signed-off-by: Krzysztof Kozlowski --- arch/arm/boot/dts/s3c64xx-pinctrl.dtsi | 178 ++++++++++++------------- arch/arm/boot/dts/s3c64xx-pinctrl.h | 27 ++++ 2 files changed, 116 insertions(+), 89 deletions(-) create mode 100644 arch/arm/boot/dts/s3c64xx-pinctrl.h diff --git a/arch/arm/boot/dts/s3c64xx-pinctrl.dtsi b/arch/arm/boot/dts/s3c64xx-pinctrl.dtsi index 0a3186d57cb5..f53959b7d031 100644 --- a/arch/arm/boot/dts/s3c64xx-pinctrl.dtsi +++ b/arch/arm/boot/dts/s3c64xx-pinctrl.dtsi @@ -9,7 +9,7 @@ * listed as device tree nodes in this file. */ -#include +#include "s3c64xx-pinctrl.h" &pinctrl0 { /* @@ -133,219 +133,219 @@ gpq: gpq-gpio-bank { uart0_data: uart0-data-pins { samsung,pins = "gpa-0", "gpa-1"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; uart0_fctl: uart0-fctl-pins { samsung,pins = "gpa-2", "gpa-3"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; uart1_data: uart1-data-pins { samsung,pins = "gpa-4", "gpa-5"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; uart1_fctl: uart1-fctl-pins { samsung,pins = "gpa-6", "gpa-7"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; uart2_data: uart2-data-pins { samsung,pins = "gpb-0", "gpb-1"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; uart3_data: uart3-data-pins { samsung,pins = "gpb-2", "gpb-3"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; ext_dma_0: ext-dma-0-pins { samsung,pins = "gpb-0", "gpb-1"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; ext_dma_1: ext-dma-1-pins { samsung,pins = "gpb-2", "gpb-3"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; irda_data_0: irda-data-0-pins { samsung,pins = "gpb-0", "gpb-1"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; irda_data_1: irda-data-1-pins { samsung,pins = "gpb-2", "gpb-3"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; irda_sdbw: irda-sdbw-pins { samsung,pins = "gpb-4"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; i2c0_bus: i2c0-bus-pins { samsung,pins = "gpb-5", "gpb-6"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; i2c1_bus: i2c1-bus-pins { /* S3C6410-only */ samsung,pins = "gpb-2", "gpb-3"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; spi0_bus: spi0-bus-pins { samsung,pins = "gpc-0", "gpc-1", "gpc-2"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; spi0_cs: spi0-cs-pins { samsung,pins = "gpc-3"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; spi1_bus: spi1-bus-pins { samsung,pins = "gpc-4", "gpc-5", "gpc-6"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; spi1_cs: spi1-cs-pins { samsung,pins = "gpc-7"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd0_cmd: sd0-cmd-pins { samsung,pins = "gpg-1"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd0_clk: sd0-clk-pins { samsung,pins = "gpg-0"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd0_bus1: sd0-bus1-pins { samsung,pins = "gpg-2"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd0_bus4: sd0-bus4-pins { samsung,pins = "gpg-2", "gpg-3", "gpg-4", "gpg-5"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd0_cd: sd0-cd-pins { samsung,pins = "gpg-6"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd1_cmd: sd1-cmd-pins { samsung,pins = "gph-1"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd1_clk: sd1-clk-pins { samsung,pins = "gph-0"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd1_bus1: sd1-bus1-pins { samsung,pins = "gph-2"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd1_bus4: sd1-bus4-pins { samsung,pins = "gph-2", "gph-3", "gph-4", "gph-5"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd1_bus8: sd1-bus8-pins { samsung,pins = "gph-2", "gph-3", "gph-4", "gph-5", "gph-6", "gph-7", "gph-8", "gph-9"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd1_cd: sd1-cd-pins { samsung,pins = "gpg-6"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd2_cmd: sd2-cmd-pins { samsung,pins = "gpc-4"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd2_clk: sd2-clk-pins { samsung,pins = "gpc-5"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd2_bus1: sd2-bus1-pins { samsung,pins = "gph-6"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; sd2_bus4: sd2-bus4-pins { samsung,pins = "gph-6", "gph-7", "gph-8", "gph-9"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; i2s0_bus: i2s0-bus-pins { samsung,pins = "gpd-0", "gpd-2", "gpd-3", "gpd-4"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; i2s0_cdclk: i2s0-cdclk-pins { samsung,pins = "gpd-1"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; i2s1_bus: i2s1-bus-pins { samsung,pins = "gpe-0", "gpe-2", "gpe-3", "gpe-4"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; i2s1_cdclk: i2s1-cdclk-pins { samsung,pins = "gpe-1"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; @@ -353,50 +353,50 @@ i2s2_bus: i2s2-bus-pins { /* S3C6410-only */ samsung,pins = "gpc-4", "gpc-5", "gpc-6", "gph-6", "gph-8", "gph-9"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; i2s2_cdclk: i2s2-cdclk-pins { /* S3C6410-only */ samsung,pins = "gph-7"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; pcm0_bus: pcm0-bus-pins { samsung,pins = "gpd-0", "gpd-2", "gpd-3", "gpd-4"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; pcm0_extclk: pcm0-extclk-pins { samsung,pins = "gpd-1"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; pcm1_bus: pcm1-bus-pins { samsung,pins = "gpe-0", "gpe-2", "gpe-3", "gpe-4"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; pcm1_extclk: pcm1-extclk-pins { samsung,pins = "gpe-1"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; ac97_bus_0: ac97-bus-0-pins { samsung,pins = "gpd-0", "gpd-1", "gpd-2", "gpd-3", "gpd-4"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; ac97_bus_1: ac97-bus-1-pins { samsung,pins = "gpe-0", "gpe-1", "gpe-2", "gpe-3", "gpe-4"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; @@ -404,242 +404,242 @@ cam_port: cam-port-pins { samsung,pins = "gpf-0", "gpf-1", "gpf-2", "gpf-4", "gpf-5", "gpf-6", "gpf-7", "gpf-8", "gpf-9", "gpf-10", "gpf-11", "gpf-12"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; cam_rst: cam-rst-pins { samsung,pins = "gpf-3"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; cam_field: cam-field-pins { /* S3C6410-only */ samsung,pins = "gpb-4"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; pwm_extclk: pwm-extclk-pins { samsung,pins = "gpf-13"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; pwm0_out: pwm0-out-pins { samsung,pins = "gpf-14"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; pwm1_out: pwm1-out-pins { samsung,pins = "gpf-15"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; clkout0: clkout-0-pins { samsung,pins = "gpf-14"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col0_0: keypad-col0-0-pins { samsung,pins = "gph-0"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col1_0: keypad-col1-0-pins { samsung,pins = "gph-1"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col2_0: keypad-col2-0-pins { samsung,pins = "gph-2"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col3_0: keypad-col3-0-pins { samsung,pins = "gph-3"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col4_0: keypad-col4-0-pins { samsung,pins = "gph-4"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col5_0: keypad-col5-0-pins { samsung,pins = "gph-5"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col6_0: keypad-col6-0-pins { samsung,pins = "gph-6"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col7_0: keypad-col7-0-pins { samsung,pins = "gph-7"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col0_1: keypad-col0-1-pins { samsung,pins = "gpl-0"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col1_1: keypad-col1-1-pins { samsung,pins = "gpl-1"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col2_1: keypad-col2-1-pins { samsung,pins = "gpl-2"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col3_1: keypad-col3-1-pins { samsung,pins = "gpl-3"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col4_1: keypad-col4-1-pins { samsung,pins = "gpl-4"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col5_1: keypad-col5-1-pins { samsung,pins = "gpl-5"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col6_1: keypad-col6-1-pins { samsung,pins = "gpl-6"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_col7_1: keypad-col7-1-pins { samsung,pins = "gpl-7"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row0_0: keypad-row0-0-pins { samsung,pins = "gpk-8"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row1_0: keypad-row1-0-pins { samsung,pins = "gpk-9"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row2_0: keypad-row2-0-pins { samsung,pins = "gpk-10"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row3_0: keypad-row3-0-pins { samsung,pins = "gpk-11"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row4_0: keypad-row4-0-pins { samsung,pins = "gpk-12"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row5_0: keypad-row5-0-pins { samsung,pins = "gpk-13"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row6_0: keypad-row6-0-pins { samsung,pins = "gpk-14"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row7_0: keypad-row7-0-pins { samsung,pins = "gpk-15"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row0_1: keypad-row0-1-pins { samsung,pins = "gpn-0"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row1_1: keypad-row1-1-pins { samsung,pins = "gpn-1"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row2_1: keypad-row2-1-pins { samsung,pins = "gpn-2"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row3_1: keypad-row3-1-pins { samsung,pins = "gpn-3"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row4_1: keypad-row4-1-pins { samsung,pins = "gpn-4"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row5_1: keypad-row5-1-pins { samsung,pins = "gpn-5"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row6_1: keypad-row6-1-pins { samsung,pins = "gpn-6"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; keypad_row7_1: keypad-row7-1-pins { samsung,pins = "gpn-7"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; lcd_ctrl: lcd-ctrl-pins { samsung,pins = "gpj-8", "gpj-9", "gpj-10", "gpj-11"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; @@ -648,7 +648,7 @@ lcd_data16: lcd-data-width16-pins { "gpi-7", "gpi-10", "gpi-11", "gpi-12", "gpi-13", "gpi-14", "gpi-15", "gpj-3", "gpj-4", "gpj-5", "gpj-6", "gpj-7"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; @@ -658,7 +658,7 @@ lcd_data18: lcd-data-width18-pins { "gpi-12", "gpi-13", "gpi-14", "gpi-15", "gpj-2", "gpj-3", "gpj-4", "gpj-5", "gpj-6", "gpj-7"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; @@ -669,14 +669,14 @@ lcd_data24: lcd-data-width24-pins { "gpi-12", "gpi-13", "gpi-14", "gpi-15", "gpj-0", "gpj-1", "gpj-2", "gpj-3", "gpj-4", "gpj-5", "gpj-6", "gpj-7"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; hsi_bus: hsi-bus-pins { samsung,pins = "gpk-0", "gpk-1", "gpk-2", "gpk-3", "gpk-4", "gpk-5", "gpk-6", "gpk-7"; - samsung,pin-function = ; + samsung,pin-function = ; samsung,pin-pud = ; }; }; diff --git a/arch/arm/boot/dts/s3c64xx-pinctrl.h b/arch/arm/boot/dts/s3c64xx-pinctrl.h new file mode 100644 index 000000000000..c2c88ff96881 --- /dev/null +++ b/arch/arm/boot/dts/s3c64xx-pinctrl.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Samsung's Exynos pinctrl bindings + * + * Copyright (c) 2016 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * Copyright (c) 2022 Linaro Ltd + * Author: Krzysztof Kozlowski + */ + +#ifndef __DTS_ARM_SAMSUNG_S3C64XX_PINCTRL_H__ +#define __DTS_ARM_SAMSUNG_S3C64XX_PINCTRL_H__ + +#define S3C64XX_PIN_PULL_NONE 0 +#define S3C64XX_PIN_PULL_DOWN 1 +#define S3C64XX_PIN_PULL_UP 2 + +#define S3C64XX_PIN_FUNC_INPUT 0 +#define S3C64XX_PIN_FUNC_OUTPUT 1 +#define S3C64XX_PIN_FUNC_2 2 +#define S3C64XX_PIN_FUNC_3 3 +#define S3C64XX_PIN_FUNC_4 4 +#define S3C64XX_PIN_FUNC_5 5 +#define S3C64XX_PIN_FUNC_6 6 +#define S3C64XX_PIN_FUNC_EINT 7 + +#endif /* __DTS_ARM_SAMSUNG_S3C64XX_PINCTRL_H__ */