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Message-Id: <20231205092229.19135-7-krzysztof.kozlowski@linaro.org>
Date: Tue, 5 Dec 2023 10:22:29 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Andi Shyti <andi.shyti@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Alim Akhtar <alim.akhtar@...sung.com>,
Thierry Reding <thierry.reding@...il.com>,
Uwe Kleine-König
<u.kleine-koenig@...gutronix.de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jirislaby@...nel.org>,
Wim Van Sebroeck <wim@...ux-watchdog.org>,
Guenter Roeck <linux@...ck-us.net>, linux-fsd@...la.com,
linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-pwm@...r.kernel.org, linux-serial@...r.kernel.org,
linux-watchdog@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 6/6] arm64: dts: fsd: add specific compatibles for Tesla FSD
Tesla FSD is a derivative of Samsung Exynos SoC, thus just like the
others it reuses several devices from older designs. Historically we
kept the old (block's) compatible only. This works fine and there is no
bug here, however guidelines expressed in
Documentation/devicetree/bindings/writing-bindings.rst state that:
1. Compatibles should be specific.
2. We should add new compatibles in case of bugs or features.
Add Tesla FSD compatible specific to be used with an existing fallback.
This will also help reviews of new code using existing DTS as template.
No functional impact on Linux drivers behavior.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
I propose to take the patch through Samsung SoC (me). See cover letter
for explanation.
---
arch/arm64/boot/dts/tesla/fsd.dtsi | 32 +++++++++++++++---------------
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi b/arch/arm64/boot/dts/tesla/fsd.dtsi
index bb50a9f7db4a..9db162afc834 100644
--- a/arch/arm64/boot/dts/tesla/fsd.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
@@ -581,7 +581,7 @@ pdma1: dma-controller@...90000 {
};
serial_0: serial@...80000 {
- compatible = "samsung,exynos4210-uart";
+ compatible = "tesla,fsd-uart", "samsung,exynos4210-uart";
reg = <0x0 0x14180000 0x0 0x100>;
interrupts = <GIC_SPI 171 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&pdma1 1>, <&pdma1 0>;
@@ -593,7 +593,7 @@ serial_0: serial@...80000 {
};
serial_1: serial@...90000 {
- compatible = "samsung,exynos4210-uart";
+ compatible = "tesla,fsd-uart", "samsung,exynos4210-uart";
reg = <0x0 0x14190000 0x0 0x100>;
interrupts = <GIC_SPI 172 IRQ_TYPE_LEVEL_HIGH>;
dmas = <&pdma1 3>, <&pdma1 2>;
@@ -605,12 +605,12 @@ serial_1: serial@...90000 {
};
pmu_system_controller: system-controller@...00000 {
- compatible = "samsung,exynos7-pmu", "syscon";
+ compatible = "tesla,fsd-pmu", "samsung,exynos7-pmu", "syscon";
reg = <0x0 0x11400000 0x0 0x5000>;
};
watchdog_0: watchdog@...a0000 {
- compatible = "samsung,exynos7-wdt";
+ compatible = "tesla,fsd-wdt", "samsung,exynos7-wdt";
reg = <0x0 0x100a0000 0x0 0x100>;
interrupts = <GIC_SPI 471 IRQ_TYPE_LEVEL_HIGH>;
samsung,syscon-phandle = <&pmu_system_controller>;
@@ -619,7 +619,7 @@ watchdog_0: watchdog@...a0000 {
};
watchdog_1: watchdog@...b0000 {
- compatible = "samsung,exynos7-wdt";
+ compatible = "tesla,fsd-wdt", "samsung,exynos7-wdt";
reg = <0x0 0x100b0000 0x0 0x100>;
interrupts = <GIC_SPI 472 IRQ_TYPE_LEVEL_HIGH>;
samsung,syscon-phandle = <&pmu_system_controller>;
@@ -628,7 +628,7 @@ watchdog_1: watchdog@...b0000 {
};
watchdog_2: watchdog@...c0000 {
- compatible = "samsung,exynos7-wdt";
+ compatible = "tesla,fsd-wdt", "samsung,exynos7-wdt";
reg = <0x0 0x100c0000 0x0 0x100>;
interrupts = <GIC_SPI 473 IRQ_TYPE_LEVEL_HIGH>;
samsung,syscon-phandle = <&pmu_system_controller>;
@@ -637,7 +637,7 @@ watchdog_2: watchdog@...c0000 {
};
pwm_0: pwm@...00000 {
- compatible = "samsung,exynos4210-pwm";
+ compatible = "tesla,fsd-pwm", "samsung,exynos4210-pwm";
reg = <0x0 0x14100000 0x0 0x100>;
samsung,pwm-outputs = <0>, <1>, <2>, <3>;
#pwm-cells = <3>;
@@ -647,7 +647,7 @@ pwm_0: pwm@...00000 {
};
pwm_1: pwm@...10000 {
- compatible = "samsung,exynos4210-pwm";
+ compatible = "tesla,fsd-pwm", "samsung,exynos4210-pwm";
reg = <0x0 0x14110000 0x0 0x100>;
samsung,pwm-outputs = <0>, <1>, <2>, <3>;
#pwm-cells = <3>;
@@ -657,7 +657,7 @@ pwm_1: pwm@...10000 {
};
hsi2c_0: i2c@...00000 {
- compatible = "samsung,exynos7-hsi2c";
+ compatible = "tesla,fsd-hsi2c", "samsung,exynos7-hsi2c";
reg = <0x0 0x14200000 0x0 0x1000>;
interrupts = <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
@@ -670,7 +670,7 @@ hsi2c_0: i2c@...00000 {
};
hsi2c_1: i2c@...10000 {
- compatible = "samsung,exynos7-hsi2c";
+ compatible = "tesla,fsd-hsi2c", "samsung,exynos7-hsi2c";
reg = <0x0 0x14210000 0x0 0x1000>;
interrupts = <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
@@ -683,7 +683,7 @@ hsi2c_1: i2c@...10000 {
};
hsi2c_2: i2c@...20000 {
- compatible = "samsung,exynos7-hsi2c";
+ compatible = "tesla,fsd-hsi2c", "samsung,exynos7-hsi2c";
reg = <0x0 0x14220000 0x0 0x1000>;
interrupts = <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
@@ -696,7 +696,7 @@ hsi2c_2: i2c@...20000 {
};
hsi2c_3: i2c@...30000 {
- compatible = "samsung,exynos7-hsi2c";
+ compatible = "tesla,fsd-hsi2c", "samsung,exynos7-hsi2c";
reg = <0x0 0x14230000 0x0 0x1000>;
interrupts = <GIC_SPI 151 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
@@ -709,7 +709,7 @@ hsi2c_3: i2c@...30000 {
};
hsi2c_4: i2c@...40000 {
- compatible = "samsung,exynos7-hsi2c";
+ compatible = "tesla,fsd-hsi2c", "samsung,exynos7-hsi2c";
reg = <0x0 0x14240000 0x0 0x1000>;
interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
@@ -722,7 +722,7 @@ hsi2c_4: i2c@...40000 {
};
hsi2c_5: i2c@...50000 {
- compatible = "samsung,exynos7-hsi2c";
+ compatible = "tesla,fsd-hsi2c", "samsung,exynos7-hsi2c";
reg = <0x0 0x14250000 0x0 0x1000>;
interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
@@ -735,7 +735,7 @@ hsi2c_5: i2c@...50000 {
};
hsi2c_6: i2c@...60000 {
- compatible = "samsung,exynos7-hsi2c";
+ compatible = "tesla,fsd-hsi2c", "samsung,exynos7-hsi2c";
reg = <0x0 0x14260000 0x0 0x1000>;
interrupts = <GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
@@ -748,7 +748,7 @@ hsi2c_6: i2c@...60000 {
};
hsi2c_7: i2c@...70000 {
- compatible = "samsung,exynos7-hsi2c";
+ compatible = "tesla,fsd-hsi2c", "samsung,exynos7-hsi2c";
reg = <0x0 0x14270000 0x0 0x1000>;
interrupts = <GIC_SPI 155 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
--
2.34.1
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