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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Tomasz Figa <tomasz.figa@gmail.com>,
	Sylwester Nawrocki <s.nawrocki@samsung.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	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 <krzysztof.kozlowski@linaro.org>
Subject: [PATCH 6/7] arm64: dts: fsd: use local header for pinctrl register values
Date: Thu, 26 May 2022 16:37:06 +0200	[thread overview]
Message-ID: <20220526143707.767490-7-krzysztof.kozlowski@linaro.org> (raw)
In-Reply-To: <20220526143707.767490-1-krzysztof.kozlowski@linaro.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 <krzysztof.kozlowski@linaro.org>
---
 arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi | 92 +++++++++++-----------
 arch/arm64/boot/dts/tesla/fsd-pinctrl.h    | 33 ++++++++
 2 files changed, 79 insertions(+), 46 deletions(-)
 create mode 100644 arch/arm64/boot/dts/tesla/fsd-pinctrl.h

diff --git a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
index d4d0cb005712..257e1d3efcb6 100644
--- a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
@@ -8,7 +8,7 @@
  *		https://www.tesla.com
  */
 
-#include <dt-bindings/pinctrl/samsung.h>
+#include "fsd-pinctrl.h"
 
 &pinctrl_fsys0 {
 	gpf0: gpf0-gpio-bank {
@@ -223,107 +223,107 @@ gpg7: gpg7-gpio-bank {
 
 	pwm0_out: pwm0-out-pins {
 		samsung,pins = "gpb6-1";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV2>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV2>;
 	};
 
 	pwm1_out: pwm1-out-pins {
 		samsung,pins = "gpb6-5";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV2>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV2>;
 	};
 
 	hs_i2c0_bus: hs-i2c0-bus-pins {
 		samsung,pins = "gpb0-0", "gpb0-1";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
 
 	hs_i2c1_bus: hs-i2c1-bus-pins {
 		samsung,pins = "gpb0-2", "gpb0-3";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
 
 	hs_i2c2_bus: hs-i2c2-bus-pins {
 		samsung,pins = "gpb0-4", "gpb0-5";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
 
 	hs_i2c3_bus: hs-i2c3-bus-pins {
 		samsung,pins = "gpb0-6", "gpb0-7";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
 
 	hs_i2c4_bus: hs-i2c4-bus-pins {
 		samsung,pins = "gpb1-0", "gpb1-1";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
 
 	hs_i2c5_bus: hs-i2c5-bus-pins {
 		samsung,pins = "gpb1-2", "gpb1-3";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
 
 	hs_i2c6_bus: hs-i2c6-bus-pins {
 		samsung,pins = "gpb1-4", "gpb1-5";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
 
 	hs_i2c7_bus: hs-i2c7-bus-pins {
 		samsung,pins = "gpb1-6", "gpb1-7";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
 
 	uart0_data: uart0-data-pins {
 		samsung,pins = "gpb7-0", "gpb7-1";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_NONE>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
 
 	uart1_data: uart1-data-pins {
 		samsung,pins = "gpb7-4", "gpb7-5";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_NONE>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
 
 	spi0_bus: spi0-bus-pins {
 		samsung,pins = "gpb4-0", "gpb4-2", "gpb4-3";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
 
 	spi1_bus: spi1-bus-pins {
 		samsung,pins = "gpb4-4", "gpb4-6", "gpb4-7";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
 
 	spi2_bus: spi2-bus-pins {
 		samsung,pins = "gpb5-0", "gpb5-2", "gpb5-3";
-		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
-		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
-		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
+		samsung,pin-function = <FSD_PIN_FUNC_2>;
+		samsung,pin-pud = <FSD_PIN_PULL_UP>;
+		samsung,pin-drv = <FSD_PIN_DRV_LV1>;
 	};
 };
 
diff --git a/arch/arm64/boot/dts/tesla/fsd-pinctrl.h b/arch/arm64/boot/dts/tesla/fsd-pinctrl.h
new file mode 100644
index 000000000000..63703d2e9148
--- /dev/null
+++ b/arch/arm64/boot/dts/tesla/fsd-pinctrl.h
@@ -0,0 +1,33 @@
+/* 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 <krzk@kernel.org>
+ */
+
+#ifndef __DTS_ARM64_TESLA_FSD_PINCTRL_H__
+#define __DTS_ARM64_TESLA_FSD_PINCTRL_H__
+
+#define FSD_PIN_PULL_NONE		0
+#define FSD_PIN_PULL_DOWN		1
+#define FSD_PIN_PULL_UP			3
+
+#define FSD_PIN_DRV_LV1			0
+#define FSD_PIN_DRV_LV2			2
+#define FSD_PIN_DRV_LV3			1
+#define FSD_PIN_DRV_LV4			3
+
+#define FSD_PIN_FUNC_INPUT		0
+#define FSD_PIN_FUNC_OUTPUT		1
+#define FSD_PIN_FUNC_2			2
+#define FSD_PIN_FUNC_3			3
+#define FSD_PIN_FUNC_4			4
+#define FSD_PIN_FUNC_5			5
+#define FSD_PIN_FUNC_6			6
+#define FSD_PIN_FUNC_EINT		0xf
+#define FSD_PIN_FUNC_F			FSD_PIN_FUNC_EINT
+
+#endif /* __DTS_ARM64_TESLA_FSD_PINCTRL_H__ */
-- 
2.34.1


  parent reply	other threads:[~2022-05-26 14:37 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-26 14:37 [PATCH 0/7] pinctrl/arm: dt-bindings: deprecate header with register constants Krzysztof Kozlowski
2022-05-26 14:37 ` [PATCH 1/7] ARM: dts: s3c2410: use local header for pinctrl register values Krzysztof Kozlowski
2022-05-27  4:22   ` Chanho Park
2022-05-29  8:07     ` Krzysztof Kozlowski
2022-05-26 14:37 ` [PATCH 2/7] ARM: dts: s3c64xx: " Krzysztof Kozlowski
2022-05-27  4:26   ` Chanho Park
2022-05-26 14:37 ` [PATCH 3/7] ARM: dts: s5pv210: " Krzysztof Kozlowski
2022-05-26 14:37 ` [PATCH 4/7] ARM: dts: exynos: " Krzysztof Kozlowski
2022-05-26 14:37 ` [PATCH 5/7] arm64: " Krzysztof Kozlowski
2022-05-27  3:34   ` Chanho Park
2022-05-26 14:37 ` Krzysztof Kozlowski [this message]
2022-05-26 14:37 ` [PATCH 7/7] dt-bindings: pinctrl: deprecate header with register constants Krzysztof Kozlowski
2022-06-03 22:20   ` Linus Walleij
2022-06-05 15:19     ` Krzysztof Kozlowski

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