linux-kernel - RE: [PATCH v3 4/4] arm64: dts: exynosautov920: add CMU

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Message-ID: <047901dbd919$16a39270$43eab750$@samsung.com>
Date: Mon, 9 Jun 2025 14:02:47 +0530
From: "Alim Akhtar" <alim.akhtar@...sung.com>
To: "'Raghav Sharma'" <raghav.s@...sung.com>, <krzk@...nel.org>,
	<s.nawrocki@...sung.com>, <cw00.choi@...sung.com>,
	<mturquette@...libre.com>, <sboyd@...nel.org>, <robh@...nel.org>,
	<conor+dt@...nel.org>, <richardcochran@...il.com>,
	<sunyeal.hong@...sung.com>, <shin.son@...sung.com>
Cc: <linux-samsung-soc@...r.kernel.org>, <linux-clk@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
	<chandan.vn@...sung.com>, <karthik.sun@...sung.com>,
	<dev.tailor@...sung.com>
Subject: RE: [PATCH v3 4/4] arm64: dts: exynosautov920: add CMU_HSI2 clock
 DT nodes

Hi Raghav

> -----Original Message-----
> From: Raghav Sharma <raghav.s@...sung.com>
> Sent: Thursday, May 29, 2025 4:57 PM
> To: krzk@...nel.org; s.nawrocki@...sung.com; cw00.choi@...sung.com;
> alim.akhtar@...sung.com; mturquette@...libre.com; sboyd@...nel.org;
> robh@...nel.org; conor+dt@...nel.org; richardcochran@...il.com;
> sunyeal.hong@...sung.com; shin.son@...sung.com
> Cc: linux-samsung-soc@...r.kernel.org; linux-clk@...r.kernel.org;
> devicetree@...r.kernel.org; linux-arm-kernel@...ts.infradead.org; linux-
> kernel@...r.kernel.org; netdev@...r.kernel.org;
> chandan.vn@...sung.com; karthik.sun@...sung.com;
> dev.tailor@...sung.com; Raghav Sharma <raghav.s@...sung.com>
> Subject: [PATCH v3 4/4] arm64: dts: exynosautov920: add CMU_HSI2 clock DT
> nodes
> 
> Add required dt node for CMU_HSI2 block, which provides clocks to ufs and
> ethernet IPs
> 
> Signed-off-by: Raghav Sharma <raghav.s@...sung.com>
> ---

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

>  arch/arm64/boot/dts/exynos/exynosautov920.dtsi | 17
> +++++++++++++++++
>  1 file changed, 17 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
> b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
> index 2cb8041c8a9f..7890373f5da0 100644
> --- a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
> @@ -1048,6 +1048,23 @@ pinctrl_hsi1: pinctrl@...50000 {
>  			interrupts = <GIC_SPI 456 IRQ_TYPE_LEVEL_HIGH>;
>  		};
> 
> +		cmu_hsi2: clock-controller@...00000 {
> +			compatible = "samsung,exynosautov920-cmu-hsi2";
> +			reg = <0x16b00000 0x8000>;
> +			#clock-cells = <1>;
> +
> +			clocks = <&xtcxo>,
> +				 <&cmu_top DOUT_CLKCMU_HSI2_NOC>,
> +				 <&cmu_top
> DOUT_CLKCMU_HSI2_NOC_UFS>,
> +				 <&cmu_top
> DOUT_CLKCMU_HSI2_UFS_EMBD>,
> +				 <&cmu_top
> DOUT_CLKCMU_HSI2_ETHERNET>;
> +			clock-names = "oscclk",
> +				      "noc",
> +				      "ufs",
> +				      "embd",
> +				      "ethernet";
> +		};
> +
>  		pinctrl_hsi2: pinctrl@...10000 {
>  			compatible = "samsung,exynosautov920-pinctrl";
>  			reg = <0x16c10000 0x10000>;
> --
> 2.34.1