ExynosAutov9 reuses several devices from older designs, thus 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 compatibles specific to ExynosAutov9 in front of all old-SoC-like
compatibles. 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@xxxxxxxxxx>
---
arch/arm64/boot/dts/exynos/exynosautov9.dtsi | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
index b228cd7e351e..417aa56a81f6 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
@@ -166,7 +166,8 @@ soc: soc@0 {
ranges = <0x0 0x0 0x0 0x20000000>;
chipid@10000000 {
- compatible = "samsung,exynos850-chipid";
+ compatible = "samsung,exynosautov9-chipid",
+ "samsung,exynos850-chipid";
reg = <0x10000000 0x24>;
};
@@ -349,7 +350,8 @@ pinctrl_peric1: pinctrl@10830000 {
};
pmu_system_controller: system-controller@10460000 {
- compatible = "samsung,exynos7-pmu", "syscon";
+ compatible = "samsung,exynosautov9-pmu",
+ "samsung,exynos7-pmu", "syscon";
reg = <0x10460000 0x10000>;
reboot: syscon-reboot {
--
2.34.1
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