Re: [PATCH v3 13/14 RESEND] arm64: dts: exynos8855: add cmu_hsi clock DT nodes
From: Peter Griffin
Date: Fri Nov 13 2026 - 09:53:41 EST
On Fri, 13 Nov 2026 at 10:54, Raghav Sharma <raghav.s@xxxxxxxxxxx> wrote:
>
> Add required dt node for cmu_hsi block, while at it add
> sysreg_hsi node which contians bits for DRCG and MEMCLK
> which are used by clock driver
>
> Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx>
> Signed-off-by: Raghav Sharma <raghav.s@xxxxxxxxxxx>
> ---
Reviewed-by: Peter Griffin <peter.griffin@xxxxxxxxxx>
> arch/arm64/boot/dts/exynos/exynos8855.dtsi | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos8855.dtsi b/arch/arm64/boot/dts/exynos/exynos8855.dtsi
> index b461de6a7548..3dd7a4c4c609 100644
> --- a/arch/arm64/boot/dts/exynos/exynos8855.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos8855.dtsi
> @@ -241,6 +241,27 @@ pinctrl_pericmmc: pinctrl@154f0000 {
> interrupts = <GIC_SPI 395 IRQ_TYPE_LEVEL_HIGH>;
> };
>
> + cmu_hsi: clock-controller@17000000 {
> + compatible = "samsung,exynos8855-cmu-hsi";
> + reg = <0x17000000 0x10000>;
> + #clock-cells = <1>;
> +
> + clocks = <&oscclk>,
> + <&cmu_top CLKCMU_DOUT_HSI_NOC>,
> + <&cmu_top CLKCMU_DOUT_HSI_UFS_EMBD>;
> + clock-names = "oscclk",
> + "bus",
> + "ufs_embd";
> + samsung,sysreg = <&sysreg_hsi>;
> + };
> +
> + sysreg_hsi: syscon@17020000 {
> + compatible = "samsung,exynos8855-hsi-sysreg",
> + "syscon";
> + reg = <0x17020000 0x10000>;
> + clocks = <&cmu_hsi CLK_GOUT_SYSREG_HSI>;
> + };
> +
> pinctrl_hsi_ufs: pinctrl@17040000 {
> compatible = "samsung,exynos8855-pinctrl";
> reg = <0x17040000 0x1000>;
> --
> 2.34.1
>