20.12.2021 13:48, Thierry Reding пишет:
> From: Thierry Reding <tred...@nvidia.com>
>
> Move the eDP panel on Venice 2 and Nyan boards into the corresponding
> AUX bus device tree node. This allows us to avoid a nasty circular
> dependency that would otherwise be created between the DPAUX and panel
> nodes via the DDC/I2C phandle.
>
> Signed-off-by: Thierry Reding <tred...@nvidia.com>
> ---
> arch/arm/boot/dts/tegra124-nyan-big.dts | 15 +++++++++------
> arch/arm/boot/dts/tegra124-nyan-blaze.dts | 15 +++++++++------
> arch/arm/boot/dts/tegra124-venice2.dts | 14 +++++++-------
> 3 files changed, 25 insertions(+), 19 deletions(-)
>
> diff --git a/arch/arm/boot/dts/tegra124-nyan-big.dts
> b/arch/arm/boot/dts/tegra124-nyan-big.dts
> index 1d2aac2cb6d0..fdc1d64dfff9 100644
> --- a/arch/arm/boot/dts/tegra124-nyan-big.dts
> +++ b/arch/arm/boot/dts/tegra124-nyan-big.dts
> @@ -13,12 +13,15 @@ / {
> "google,nyan-big-rev1", "google,nyan-big-rev0",
> "google,nyan-big", "google,nyan", "nvidia,tegra124";
>
> - panel: panel {
> - compatible = "auo,b133xtn01";
> -
> - power-supply = <&vdd_3v3_panel>;
> - backlight = <&backlight>;
> - ddc-i2c-bus = <&dpaux>;
> + host1x@50000000 {
> + dpaux@545c0000 {
> + aux-bus {
> + panel: panel {
> + compatible = "auo,b133xtn01";
> + backlight = <&backlight>;
> + };
> + };
> + };
> };
>
> mmc@700b0400 { /* SD Card on this bus */
> diff --git a/arch/arm/boot/dts/tegra124-nyan-blaze.dts
> b/arch/arm/boot/dts/tegra124-nyan-blaze.dts
> index 677babde6460..abdf4456826f 100644
> --- a/arch/arm/boot/dts/tegra124-nyan-blaze.dts
> +++ b/arch/arm/boot/dts/tegra124-nyan-blaze.dts
> @@ -15,12 +15,15 @@ / {
> "google,nyan-blaze-rev0", "google,nyan-blaze",
> "google,nyan", "nvidia,tegra124";
>
> - panel: panel {
> - compatible = "samsung,ltn140at29-301";
> -
> - power-supply = <&vdd_3v3_panel>;
> - backlight = <&backlight>;
> - ddc-i2c-bus = <&dpaux>;
> + host1x@50000000 {
> + dpaux@545c0000 {
> + aux-bus {
> + panel: panel {
> + compatible = "samsung,ltn140at29-301";
> + backlight = <&backlight>;
> + };
> + };
> + };
> };
>
> sound {
> diff --git a/arch/arm/boot/dts/tegra124-venice2.dts
> b/arch/arm/boot/dts/tegra124-venice2.dts
> index 232c90604df9..6a9592ceb5f2 100644
> --- a/arch/arm/boot/dts/tegra124-venice2.dts
> +++ b/arch/arm/boot/dts/tegra124-venice2.dts
> @@ -48,6 +48,13 @@ sor@54540000 {
> dpaux@545c0000 {
> vdd-supply = <&vdd_3v3_panel>;
> status = "okay";
> +
> + aux-bus {
> + panel: panel {
> + compatible = "lg,lp129qe";
> + backlight = <&backlight>;
> + };
> + };
> };
> };
>
> @@ -1080,13 +1087,6 @@ power {
> };
> };
>
> - panel: panel {
> - compatible = "lg,lp129qe";
> - power-supply = <&vdd_3v3_panel>;
> - backlight = <&backlight>;
> - ddc-i2c-bus = <&dpaux>;
> - };
> -
> vdd_mux: regulator-mux {
> compatible = "regulator-fixed";
> regulator-name = "+VDD_MUX";
>
You should add stable tag for 5.15 and also add separate patch to update
the new arch/arm/boot/dts/tegra124-nyan-big-fhd.dts which we have in
-next now.
