linux-kernel - Re: [DO NOT MERGE PATCH 2/2] arm64: dts: ti: Add common1 register space for AM62x and AM65x SoCs

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Message-ID: <20240115-penpal-pluck-d156ccf21b2f@spud>
Date: Mon, 15 Jan 2024 16:14:36 +0000
From: Conor Dooley <conor@...nel.org>
To: Devarsh Thakkar <devarsht@...com>
Cc: 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+dt@...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, praneeth@...com, nm@...com,
	vigneshr@...com, a-bhatia1@...com, j-luthra@...com,
	kristo@...nel.org
Subject: Re: [DO NOT MERGE PATCH 2/2] arm64: dts: ti: Add common1 register
 space for AM62x and AM65x SoCs

On Mon, Jan 15, 2024 at 06:27:16PM +0530, Devarsh Thakkar wrote:
> This adds common1 register space for AM62x 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.
> 
> This region is documented in respective Technical Reference Manuals [1].
> 
> [1]:
> AM62x TRM:
> https://www.ti.com/lit/pdf/spruiv7 (Section 14.8.9.1 DSS Registers)
> 
> AM65x TRM:
> https://www.ti.com/lit/pdf/spruid7 (Section 12.6.5 DSS Registers)
> 
> Signed-off-by: Devarsh Thakkar <devarsht@...com>
> ---

"[DO NOT MERGE PATCH 2/2]" but no rationale here as to why this cannot
be merged? What's the problem with it?

Cheers,
Conor.

>  arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 5 +++--
>  arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 5 +++--
>  2 files changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> index 464b7565d085..298bf8d5de8c 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-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> index fcea54465636..5b2d4365b911 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> @@ -1019,9 +1019,10 @@ 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>;
>  
> -- 
> 2.34.1
> 

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