linux-kernel - Re: [PATCH v5 1/3] arm64: dts: qcom: split beryllium dts into common dtsi and tianma dts

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Message-ID: <a28bbb3c-68ca-9d3f-5eb3-837c4ec53e50@connolly.tech>
Date:   Mon, 19 Sep 2022 11:25:09 +0000
From:   Caleb Connolly <caleb@...nolly.tech>
To:     Joel Selvaraj <joelselvaraj.oss@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org
Subject: Re: [PATCH v5 1/3] arm64: dts: qcom: split beryllium dts into common dtsi and tianma dts



On 09/09/2022 04:54, Joel Selvaraj wrote:
> There are two panel variants of Xiaomi Poco F1. Tianma and EBBG panel.
> The previous beryllium dts supported the Tianma variant. In order to
> add support for EBBG variant, the common nodes from beryllium dts are
> moved to a new common dtsi and to make the variants distinguishable,
> sdm845-xiaomi-beryllium.dts is now named as
> sdm845-xiaomi-beryllium-tianma.dts. The model property is updated to
> distinguish between the variants. The compatibility property is
> moved to the tianma variant, but it is not updated to avoid any
> further conflict with other projects/users that might depend on it.
>
> Signed-off-by: Joel Selvaraj <joelselvaraj.oss@...il.com>
> Reviewed-by: Marijn Suijten <marijn.suijten@...ainline.org>

Reviewed-by: Caleb Connolly <caleb@...nolly.tech>

Kind regards,
Caleb
> ---
>   arch/arm64/boot/dts/qcom/Makefile                 |  2 +-
>   ...um.dts => sdm845-xiaomi-beryllium-common.dtsi} | 11 +++++------
>   .../dts/qcom/sdm845-xiaomi-beryllium-tianma.dts   | 15 +++++++++++++++
>   3 files changed, 21 insertions(+), 7 deletions(-)
>   rename arch/arm64/boot/dts/qcom/{sdm845-xiaomi-beryllium.dts => sdm845-xiaomi-beryllium-common.dtsi} (98%)
>   create mode 100644 arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
>
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 1d86a33de528..d0bba59d2a8c 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -128,7 +128,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-oneplus-fajita.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-sony-xperia-tama-akari.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-sony-xperia-tama-akatsuki.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-sony-xperia-tama-apollo.dtb
> -dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-xiaomi-beryllium.dtb
> +dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-xiaomi-beryllium-tianma.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-xiaomi-polaris.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sdm845-shift-axolotl.dtb
>   dtb-$(CONFIG_ARCH_QCOM)	+= sdm850-lenovo-yoga-c630.dtb
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-common.dtsi
> similarity index 98%
> rename from arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
> rename to arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-common.dtsi
> index 82c27f90d300..940ac9cd0aba 100644
> --- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
> +++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-common.dtsi
> @@ -26,8 +26,6 @@
>   /delete-node/ &rmtfs_mem;
>
>   / {
> -	model = "Xiaomi Pocophone F1";
> -	compatible = "xiaomi,beryllium", "qcom,sdm845";
>   	chassis-type = "handset";
>
>   	/* required for bootloader to select correct board */
> @@ -221,8 +219,7 @@ &dsi0 {
>   	status = "okay";
>   	vdda-supply = <&vreg_l26a_1p2>;
>
> -	panel@0 {
> -		compatible = "tianma,fhd-video";
> +	display_panel: panel@0 {
>   		reg = <0>;
>   		vddio-supply = <&vreg_l14a_1p8>;
>   		vddpos-supply = <&lab>;
> @@ -234,8 +231,10 @@ panel@0 {
>   		backlight = <&pmi8998_wled>;
>   		reset-gpios = <&tlmm 6 GPIO_ACTIVE_LOW>;
>
> +		status = "disabled";
> +
>   		port {
> -			tianma_nt36672a_in_0: endpoint {
> +			panel_in_0: endpoint {
>   				remote-endpoint = <&dsi0_out>;
>   			};
>   		};
> @@ -243,7 +242,7 @@ tianma_nt36672a_in_0: endpoint {
>   };
>
>   &dsi0_out {
> -	remote-endpoint = <&tianma_nt36672a_in_0>;
> +	remote-endpoint = <&panel_in_0>;
>   	data-lanes = <0 1 2 3>;
>   };
>
> diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
> new file mode 100644
> index 000000000000..8e176111e599
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium-tianma.dts
> @@ -0,0 +1,15 @@
> +// SPDX-License-Identifier: GPL-2.0
> +
> +/dts-v1/;
> +
> +#include "sdm845-xiaomi-beryllium-common.dtsi"
> +
> +/ {
> +	model = "Xiaomi Pocophone F1 (Tianma)";
> +	compatible = "xiaomi,beryllium", "qcom,sdm845";
> +};
> +
> +&display_panel {
> +	compatible = "tianma,fhd-video";
> +	status = "okay";
> +};
> --
> 2.37.3
>