linux-kernel - [PATCH v2 3/4] arm64: dts: exynos: add a specific compatible to MCT

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Date:   Fri,  4 Mar 2022 13:24:23 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Subject: [PATCH v2 3/4] arm64: dts: exynos: add a specific compatible to MCT

One compatible is used for the Multi-Core Timer on most of the Samsung
Exynos SoCs, which is correct but not specific enough.  These MCT blocks
have different number of interrupts, so add a second specific
compatible to Exynos5433 and Exynos850.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Reviewed-by: Alim Akhtar <alim.akhtar@...sung.com>
---
 arch/arm64/boot/dts/exynos/exynos5433.dtsi | 3 ++-
 arch/arm64/boot/dts/exynos/exynos850.dtsi  | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
index 661567d2dd7a..017ccc2f4650 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
@@ -806,7 +806,8 @@ tmu_isp: tmu@...7c000 {
 		};
 
 		timer@...c0000 {
-			compatible = "samsung,exynos4210-mct";
+			compatible = "samsung,exynos5433-mct",
+				     "samsung,exynos4210-mct";
 			reg = <0x101c0000 0x800>;
 			interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
 				<GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/arch/arm64/boot/dts/exynos/exynos850.dtsi b/arch/arm64/boot/dts/exynos/exynos850.dtsi
index d1700e96fee2..12f7ddc6fd0a 100644
--- a/arch/arm64/boot/dts/exynos/exynos850.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos850.dtsi
@@ -181,7 +181,8 @@ chipid@...00000 {
 		};
 
 		timer@...40000 {
-			compatible = "samsung,exynos4210-mct";
+			compatible = "samsung,exynos850-mct",
+				     "samsung,exynos4210-mct";
 			reg = <0x10040000 0x800>;
 			interrupts = <GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH>,
-- 
2.32.0