linux-kernel - Re: [PATCH v4 23/24] ARM: tegra: add CSI nodes for Tegra20 and Tegra30

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Message-ID: <7779687.aoefvbuG5b@senjougahara>
Date: Mon, 20 Oct 2025 11:36:44 +0900
From: Mikko Perttunen <mperttunen@...dia.com>
To: Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Thierry Reding <thierry.reding@...il.com>,
 Jonathan Hunter <jonathanh@...dia.com>,
 Sowjanya Komatineni <skomatineni@...dia.com>,
 Luca Ceresoli <luca.ceresoli@...tlin.com>,
 Prashant Gaikwad <pgaikwad@...dia.com>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>,
 Linus Walleij <linus.walleij@...aro.org>,
 Mauro Carvalho Chehab <mchehab@...nel.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Svyatoslav Ryhel <clamor95@...il.com>,
 Jonas Schwöbel <jonasschwoebel@...oo.de>,
 Dmitry Osipenko <digetx@...il.com>,
 Charan Pedumuru <charan.pedumuru@...il.com>,
 Diogo Ivo <diogo.ivo@...nico.ulisboa.pt>,
 Aaron Kling <webgeek1234@...il.com>, Arnd Bergmann <arnd@...db.de>,
 Svyatoslav Ryhel <clamor95@...il.com>
Cc: dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
 linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-media@...r.kernel.org, linux-clk@...r.kernel.org,
 linux-gpio@...r.kernel.org, linux-staging@...ts.linux.dev
Subject:
 Re: [PATCH v4 23/24] ARM: tegra: add CSI nodes for Tegra20 and Tegra30

On Wednesday, October 8, 2025 4:30 PM Svyatoslav Ryhel wrote:
> Add CSI node to Tegra20 and Tegra30 device trees.
> 
> Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
> ---
>  arch/arm/boot/dts/nvidia/tegra20.dtsi | 19 ++++++++++++++++++-
>  arch/arm/boot/dts/nvidia/tegra30.dtsi | 24 ++++++++++++++++++++++--
>  2 files changed, 40 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/nvidia/tegra20.dtsi b/arch/arm/boot/dts/nvidia/tegra20.dtsi
> index 6ae07b316c8a..5cdbf1246cf8 100644
> --- a/arch/arm/boot/dts/nvidia/tegra20.dtsi
> +++ b/arch/arm/boot/dts/nvidia/tegra20.dtsi
> @@ -64,7 +64,7 @@ mpe@...40000 {
>  
>  		vi@...80000 {
>  			compatible = "nvidia,tegra20-vi";
> -			reg = <0x54080000 0x00040000>;
> +			reg = <0x54080000 0x00000800>;
>  			interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
>  			clocks = <&tegra_car TEGRA20_CLK_VI>;
>  			resets = <&tegra_car 20>;
> @@ -72,6 +72,23 @@ vi@...80000 {
>  			power-domains = <&pd_venc>;
>  			operating-points-v2 = <&vi_dvfs_opp_table>;
>  			status = "disabled";
> +
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +
> +			ranges = <0x0 0x54080000 0x4000>;
> +
> +			csi: csi@800 {
> +				compatible = "nvidia,tegra20-csi";
> +				reg = <0x800 0x200>;
> +				clocks = <&tegra_car TEGRA20_CLK_CSI>;
> +				power-domains = <&pd_venc>;
> +				#nvidia,mipi-calibrate-cells = <1>;
> +				status = "disabled";
> +
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +			};
>  		};
>  
>  		epp@...c0000 {
> diff --git a/arch/arm/boot/dts/nvidia/tegra30.dtsi b/arch/arm/boot/dts/nvidia/tegra30.dtsi
> index 20b3248d4d2f..be752a245a55 100644
> --- a/arch/arm/boot/dts/nvidia/tegra30.dtsi
> +++ b/arch/arm/boot/dts/nvidia/tegra30.dtsi
> @@ -150,8 +150,8 @@ mpe@...40000 {
>  		};
>  
>  		vi@...80000 {
> -			compatible = "nvidia,tegra30-vi";
> -			reg = <0x54080000 0x00040000>;
> +			compatible = "nvidia,tegra30-vi", "nvidia,tegra20-vi";
> +			reg = <0x54080000 0x00000800>;
>  			interrupts = <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
>  			clocks = <&tegra_car TEGRA30_CLK_VI>;
>  			resets = <&tegra_car 20>;
> @@ -162,6 +162,26 @@ vi@...80000 {
>  			iommus = <&mc TEGRA_SWGROUP_VI>;
>  
>  			status = "disabled";
> +
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +
> +			ranges = <0x0 0x54080000 0x4000>;
> +
> +			csi: csi@800 {
> +				compatible = "nvidia,tegra30-csi";
> +				reg = <0x800 0x200>;
> +				clocks = <&tegra_car TEGRA30_CLK_CSI>,
> +					 <&tegra_car TEGRA30_CLK_CSIA_PAD>,
> +					 <&tegra_car TEGRA30_CLK_CSIB_PAD>;
> +				clock-names = "csi", "csia-pad", "csib-pad";
> +				power-domains = <&pd_venc>;
> +				#nvidia,mipi-calibrate-cells = <1>;
> +				status = "disabled";
> +
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +			};
>  		};
>  
>  		epp@...c0000 {
> 

Reviewed-by: Mikko Perttunen <mperttunen@...dia.com>