linux-kernel - Re: [PATCH v4 2/2] arm64: dts: ti: Add common1 register space for AM62x, AM62A & AM65x SoCs

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Message-ID: <d2b6dcda-cd22-4163-bdf5-2bc4b8e276ea@ti.com>
Date: Fri, 16 Feb 2024 11:06:05 +0530
From: Vignesh Raghavendra <vigneshr@...com>
To: Devarsh Thakkar <devarsht@...com>, <jyri.sarha@....fi>,
        <tomi.valkeinen@...asonboard.com>, <airlied@...il.com>,
        <daniel@...ll.ch>, <maarten.lankhorst@...ux.intel.com>,
        <mripard@...nel.org>, <tzimmermann@...e.de>, <robh@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
        <nm@...com>, <kristo@...nel.org>
CC: <praneeth@...com>, <a-bhatia1@...com>, <j-luthra@...com>
Subject: Re: [PATCH v4 2/2] arm64: dts: ti: Add common1 register space for
 AM62x, AM62A & AM65x SoCs



On 15/02/24 17:25, Devarsh Thakkar wrote:
> This adds common1 register space for AM62x, AM62A and AM65x SoC's which are
> using TI's Keystone display hardware and supporting it as described in
> Documentation/devicetree/bindings/display/ti/ti,am65x-dss.yaml
> 
> Fixes: 3618811657b3 ("arm64: dts: ti: k3-am62a-main: Add node for Display SubSystem (DSS)")
> Fixes: 8ccc1073c7bb ("arm64: dts: ti: k3-am62-main: Add node for DSS")
> Fixes: fc539b90eda2 ("arm64: dts: ti: am654: Add DSS node")

This doesn't work. Patch wont apply cleanly to kernels before before
AM62A was introduced.

Please split this into 3 patches, one per SoC with appropriate Fixes: tag.

> Signed-off-by: Devarsh Thakkar <devarsht@...com>
> Reviewed-by: Aradhya Bhatia <a-bhatia1@...com>
> ---
> V2: Add common1 region for AM62A SoC too
> V3: Add Fixes tag
> V4: Add Reviewed-by
> ---
>  arch/arm64/boot/dts/ti/k3-am62-main.dtsi  | 5 +++--
>  arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 5 +++--
>  arch/arm64/boot/dts/ti/k3-am65-main.dtsi  | 5 +++--
>  3 files changed, 9 insertions(+), 6 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> index fe0cc4a9a501..8cee4d94cdd3 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> @@ -779,9 +779,10 @@ dss: dss@...00000 {
>  		      <0x00 0x30207000 0x00 0x1000>, /* ovr1 */
>  		      <0x00 0x30208000 0x00 0x1000>, /* ovr2 */
>  		      <0x00 0x3020a000 0x00 0x1000>, /* vp1: Used for OLDI */
> -		      <0x00 0x3020b000 0x00 0x1000>; /* vp2: Used as DPI Out */
> +		      <0x00 0x3020b000 0x00 0x1000>, /* vp2: Used as DPI Out */
> +		      <0x00 0x30201000 0x00 0x1000>; /* common1 */
>  		reg-names = "common", "vidl1", "vid",
> -			    "ovr1", "ovr2", "vp1", "vp2";
> +			    "ovr1", "ovr2", "vp1", "vp2", "common1";
>  		power-domains = <&k3_pds 186 TI_SCI_PD_EXCLUSIVE>;
>  		clocks = <&k3_clks 186 6>,
>  			 <&dss_vp1_clk>,
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> index 972971159a62..f475daea548e 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
> @@ -994,9 +994,10 @@ dss: dss@...00000 {
>  		      <0x00 0x30207000 0x00 0x1000>, /* ovr1 */
>  		      <0x00 0x30208000 0x00 0x1000>, /* ovr2 */
>  		      <0x00 0x3020a000 0x00 0x1000>, /* vp1: Tied OFF in the SoC */
> -		      <0x00 0x3020b000 0x00 0x1000>; /* vp2: Used as DPI Out */
> +		      <0x00 0x3020b000 0x00 0x1000>, /* vp2: Used as DPI Out */
> +		      <0x00 0x30201000 0x00 0x1000>; /* common1 */
>  		reg-names = "common", "vidl1", "vid",
> -			    "ovr1", "ovr2", "vp1", "vp2";
> +			    "ovr1", "ovr2", "vp1", "vp2", "common1";
>  		power-domains = <&k3_pds 186 TI_SCI_PD_EXCLUSIVE>;
>  		clocks = <&k3_clks 186 6>,
>  			 <&k3_clks 186 0>,
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> index 07010d31350e..ff857117d719 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> @@ -991,9 +991,10 @@ dss: dss@...0000 {
>  		      <0x0 0x04a07000 0x0 0x1000>, /* ovr1 */
>  		      <0x0 0x04a08000 0x0 0x1000>, /* ovr2 */
>  		      <0x0 0x04a0a000 0x0 0x1000>, /* vp1 */
> -		      <0x0 0x04a0b000 0x0 0x1000>; /* vp2 */
> +		      <0x0 0x04a0b000 0x0 0x1000>, /* vp2 */
> +		      <0x0 0x04a01000 0x0 0x1000>; /* common1 */
>  		reg-names = "common", "vidl1", "vid",
> -			"ovr1", "ovr2", "vp1", "vp2";
> +			"ovr1", "ovr2", "vp1", "vp2", "common1";
>  
>  		ti,am65x-oldi-io-ctrl = <&dss_oldi_io_ctrl>;
>  

-- 
Regards
Vignesh