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SubjectRE: [PATCH 3/3] arm64: dts: exynos: add a specific compatible to MCT
Date


>-----Original Message-----
>From: Krzysztof Kozlowski [mailto:krzysztof.kozlowski@canonical.com]
>Sent: Friday, February 25, 2022 9:07 PM
>To: Daniel Lezcano <daniel.lezcano@linaro.org>; Thomas Gleixner
><tglx@linutronix.de>; Rob Herring <robh+dt@kernel.org>; Krzysztof Kozlowski
><krzysztof.kozlowski@canonical.com>; Alim Akhtar
><alim.akhtar@samsung.com>; linux-kernel@vger.kernel.org;
>devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux-
>samsung-soc@vger.kernel.org
>Subject: [PATCH 3/3] 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@canonical.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@1007c000 {
> };
>
> timer@101c0000 {
>- compatible = "samsung,exynos4210-mct";
>+ compatible = "samsung,exynos5433-mct",
>+ "samsung,exynos4210-mct";

Just a though, do we still need to keep Samsung,exyno4210-mct compatible?
In anyway:

Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>


> 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@10000000 {
> };
>
> timer@10040000 {
>- 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


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