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SubjectRe: [PATCH v2 4/4] arm64: dts: qcom: msm8916-alcatel-idol347: Add framebuffer support
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On 30.01.2021 11:57, Vincent Knecht wrote:
> Add simple-framebuffer support and related reserved-memory block.
>
> Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
> ---
> .../boot/dts/qcom/msm8916-alcatel-idol347.dts | 31 +++++++++++++++++++
> 1 file changed, 31 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/msm8916-alcatel-idol347.dts b/arch/arm64/boot/dts/qcom/msm8916-alcatel-idol347.dts
> index 540b1fa4b260..e4d22cec8ff0 100644
> --- a/arch/arm64/boot/dts/qcom/msm8916-alcatel-idol347.dts
> +++ b/arch/arm64/boot/dts/qcom/msm8916-alcatel-idol347.dts
> @@ -3,6 +3,7 @@
> /dts-v1/;
>
> #include "msm8916-pm8916.dtsi"
> +#include <dt-bindings/clock/qcom,gcc-msm8916.h>
> #include <dt-bindings/gpio/gpio.h>
> #include <dt-bindings/input/input.h>
>
> @@ -16,6 +17,36 @@ aliases {
>
> chosen {
> stdout-path = "serial0";
> +
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + framebuffer0: framebuffer@83200000 {
> + status = "okay";
> + compatible = "simple-framebuffer";
> + reg = <0x0 0x83200000 0x0 (720 * 1280 * 3)>;
> + width = <720>;
> + height = <1280>;
> + stride = <(720 * 3)>;
> + format = "r8g8b8";
> + power-domains = <&gcc MDSS_GDSC>;
> + clocks = <&gcc GCC_MDSS_AHB_CLK>,
> + <&gcc GCC_MDSS_VSYNC_CLK>,
> + <&gcc GCC_MDSS_AXI_CLK>,
> + <&gcc GCC_MDSS_MDP_CLK>,
> + <&gcc GCC_MDSS_BYTE0_CLK>,
> + <&gcc GCC_MDSS_PCLK0_CLK>,

I'm not sure about BYTE/PCLK, it used to cause issues at least on my boards, but if it works for you, I guess it's only good.


> + <&gcc GCC_MDSS_ESC0_CLK>,
> + <&xo_board>;

Fake XO seems redundant here.


> + };
> + };
> +
> + reserved-memory {
> + continuous_splash: framebuffer@83000000 {
> + reg = <0x0 0x83000000 0x0 0x1400000>;
> + no-map;
> + };
> };
>
> gpio-keys {
>

Konrad

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