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[188.155.176.92]) by smtp.gmail.com with ESMTPSA id f27-20020a50a6db000000b0042be2dfa8bdsm267962edc.81.2022.05.26.07.37.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 May 2022 07:37:21 -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 1/7] ARM: dts: s3c2410: use local header for pinctrl register values Date: Thu, 26 May 2022 16:37:01 +0200 Message-Id: <20220526143707.767490-2-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 Content-Transfer-Encoding: 8bit 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/s3c2410-pinctrl.h | 19 +++++++++++++ arch/arm/boot/dts/s3c2416-pinctrl.dtsi | 38 +++++++++++++------------- 2 files changed, 38 insertions(+), 19 deletions(-) create mode 100644 arch/arm/boot/dts/s3c2410-pinctrl.h diff --git a/arch/arm/boot/dts/s3c2410-pinctrl.h b/arch/arm/boot/dts/s3c2410-pinctrl.h new file mode 100644 index 000000000000..71cb0ac815b3 --- /dev/null +++ b/arch/arm/boot/dts/s3c2410-pinctrl.h @@ -0,0 +1,19 @@ +/* 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_S3C2410_PINCTRL_H__ +#define __DTS_ARM_SAMSUNG_S3C2410_PINCTRL_H__ + +#define S3C2410_PIN_FUNC_INPUT 0 +#define S3C2410_PIN_FUNC_OUTPUT 1 +#define S3C2410_PIN_FUNC_2 2 +#define S3C2410_PIN_FUNC_3 3 + +#endif /* __DTS_ARM_SAMSUNG_S3C2410_PINCTRL_H__ */ diff --git a/arch/arm/boot/dts/s3c2416-pinctrl.dtsi b/arch/arm/boot/dts/s3c2416-pinctrl.dtsi index 20a7d72827c2..3268366bd8bc 100644 --- a/arch/arm/boot/dts/s3c2416-pinctrl.dtsi +++ b/arch/arm/boot/dts/s3c2416-pinctrl.dtsi @@ -5,7 +5,7 @@ * Copyright (c) 2013 Heiko Stuebner */ -#include +#include "s3c2410-pinctrl.h" &pinctrl_0 { /* @@ -82,91 +82,91 @@ gpm: gpm-gpio-bank { uart0_data: uart0-data-pins { samsung,pins = "gph-0", "gph-1"; - samsung,pin-function = ; + samsung,pin-function = ; }; uart0_fctl: uart0-fctl-pins { samsung,pins = "gph-8", "gph-9"; - samsung,pin-function = ; + samsung,pin-function = ; }; uart1_data: uart1-data-pins { samsung,pins = "gph-2", "gph-3"; - samsung,pin-function = ; + samsung,pin-function = ; }; uart1_fctl: uart1-fctl-pins { samsung,pins = "gph-10", "gph-11"; - samsung,pin-function = ; + samsung,pin-function = ; }; uart2_data: uart2-data-pins { samsung,pins = "gph-4", "gph-5"; - samsung,pin-function = ; + samsung,pin-function = ; }; uart2_fctl: uart2-fctl-pins { samsung,pins = "gph-6", "gph-7"; - samsung,pin-function = ; + samsung,pin-function = ; }; uart3_data: uart3-data-pins { samsung,pins = "gph-6", "gph-7"; - samsung,pin-function = ; + samsung,pin-function = ; }; extuart_clk: extuart-clk-pins { samsung,pins = "gph-12"; - samsung,pin-function = ; + samsung,pin-function = ; }; i2c0_bus: i2c0-bus-pins { samsung,pins = "gpe-14", "gpe-15"; - samsung,pin-function = ; + samsung,pin-function = ; }; spi0_bus: spi0-bus-pins { samsung,pins = "gpe-11", "gpe-12", "gpe-13"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd0_clk: sd0-clk-pins { samsung,pins = "gpe-5"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd0_cmd: sd0-cmd-pins { samsung,pins = "gpe-6"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd0_bus1: sd0-bus1-pins { samsung,pins = "gpe-7"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd0_bus4: sd0-bus4-pins { samsung,pins = "gpe-8", "gpe-9", "gpe-10"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd1_cmd: sd1-cmd-pins { samsung,pins = "gpl-8"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd1_clk: sd1-clk-pins { samsung,pins = "gpl-9"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd1_bus1: sd1-bus1-pins { samsung,pins = "gpl-0"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd1_bus4: sd1-bus4-pins { samsung,pins = "gpl-1", "gpl-2", "gpl-3"; - samsung,pin-function = ; + samsung,pin-function = ; }; }; -- 2.34.1 From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 54928C433F5 for ; Thu, 26 May 2022 14:38:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=bgcQOR/qZM6vB+HQNoD6kcYVP+w8qUU1LUSRPYiGJMw=; b=DNbM0iX+wZZbTi KNWQP7fTMPGsjnBtDWqGgpr9KuEQUelMtnN6KN1DcHI9T59zApx7mk8bKQgfQ6ezWPjOASb4KL9Og hXYpPxAMw8JAoyCpJokhK+sIF38j2MLkoos+L36vBeYyAgdHfC4ZmWMIsSWCbtjCp2vpAzLE38wVY tl8g4TFpuoy3bPa48HjjIKQAYXg5xdHIfKNHbbVvEAkNl5M4qggpKltMtiKBILPDU5FNoTifQhDs0 hfHTfiuBIYTLHL5Ht9VTdP25jRg29zj/qaXQnypVLkRZ5fItrrXepv8qJVs8zXekogWx5UtZ43JeB X6oEgMr5B6O/E2FqNGsA==; 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[188.155.176.92]) by smtp.gmail.com with ESMTPSA id f27-20020a50a6db000000b0042be2dfa8bdsm267962edc.81.2022.05.26.07.37.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 May 2022 07:37:21 -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 1/7] ARM: dts: s3c2410: use local header for pinctrl register values Date: Thu, 26 May 2022 16:37:01 +0200 Message-Id: <20220526143707.767490-2-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220526_073725_751456_51645366 X-CRM114-Status: GOOD ( 17.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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/s3c2410-pinctrl.h | 19 +++++++++++++ arch/arm/boot/dts/s3c2416-pinctrl.dtsi | 38 +++++++++++++------------- 2 files changed, 38 insertions(+), 19 deletions(-) create mode 100644 arch/arm/boot/dts/s3c2410-pinctrl.h diff --git a/arch/arm/boot/dts/s3c2410-pinctrl.h b/arch/arm/boot/dts/s3c2410-pinctrl.h new file mode 100644 index 000000000000..71cb0ac815b3 --- /dev/null +++ b/arch/arm/boot/dts/s3c2410-pinctrl.h @@ -0,0 +1,19 @@ +/* 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_S3C2410_PINCTRL_H__ +#define __DTS_ARM_SAMSUNG_S3C2410_PINCTRL_H__ + +#define S3C2410_PIN_FUNC_INPUT 0 +#define S3C2410_PIN_FUNC_OUTPUT 1 +#define S3C2410_PIN_FUNC_2 2 +#define S3C2410_PIN_FUNC_3 3 + +#endif /* __DTS_ARM_SAMSUNG_S3C2410_PINCTRL_H__ */ diff --git a/arch/arm/boot/dts/s3c2416-pinctrl.dtsi b/arch/arm/boot/dts/s3c2416-pinctrl.dtsi index 20a7d72827c2..3268366bd8bc 100644 --- a/arch/arm/boot/dts/s3c2416-pinctrl.dtsi +++ b/arch/arm/boot/dts/s3c2416-pinctrl.dtsi @@ -5,7 +5,7 @@ * Copyright (c) 2013 Heiko Stuebner */ -#include +#include "s3c2410-pinctrl.h" &pinctrl_0 { /* @@ -82,91 +82,91 @@ gpm: gpm-gpio-bank { uart0_data: uart0-data-pins { samsung,pins = "gph-0", "gph-1"; - samsung,pin-function = ; + samsung,pin-function = ; }; uart0_fctl: uart0-fctl-pins { samsung,pins = "gph-8", "gph-9"; - samsung,pin-function = ; + samsung,pin-function = ; }; uart1_data: uart1-data-pins { samsung,pins = "gph-2", "gph-3"; - samsung,pin-function = ; + samsung,pin-function = ; }; uart1_fctl: uart1-fctl-pins { samsung,pins = "gph-10", "gph-11"; - samsung,pin-function = ; + samsung,pin-function = ; }; uart2_data: uart2-data-pins { samsung,pins = "gph-4", "gph-5"; - samsung,pin-function = ; + samsung,pin-function = ; }; uart2_fctl: uart2-fctl-pins { samsung,pins = "gph-6", "gph-7"; - samsung,pin-function = ; + samsung,pin-function = ; }; uart3_data: uart3-data-pins { samsung,pins = "gph-6", "gph-7"; - samsung,pin-function = ; + samsung,pin-function = ; }; extuart_clk: extuart-clk-pins { samsung,pins = "gph-12"; - samsung,pin-function = ; + samsung,pin-function = ; }; i2c0_bus: i2c0-bus-pins { samsung,pins = "gpe-14", "gpe-15"; - samsung,pin-function = ; + samsung,pin-function = ; }; spi0_bus: spi0-bus-pins { samsung,pins = "gpe-11", "gpe-12", "gpe-13"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd0_clk: sd0-clk-pins { samsung,pins = "gpe-5"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd0_cmd: sd0-cmd-pins { samsung,pins = "gpe-6"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd0_bus1: sd0-bus1-pins { samsung,pins = "gpe-7"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd0_bus4: sd0-bus4-pins { samsung,pins = "gpe-8", "gpe-9", "gpe-10"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd1_cmd: sd1-cmd-pins { samsung,pins = "gpl-8"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd1_clk: sd1-clk-pins { samsung,pins = "gpl-9"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd1_bus1: sd1-bus1-pins { samsung,pins = "gpl-0"; - samsung,pin-function = ; + samsung,pin-function = ; }; sd1_bus4: sd1-bus4-pins { samsung,pins = "gpl-1", "gpl-2", "gpl-3"; - samsung,pin-function = ; + samsung,pin-function = ; }; }; -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel