From: Thierry Reding <treding@xxxxxxxxxx> Add the framebuffer carveout reserved memory node as well as a simple- framebuffer node that is used to bind to the framebuffer that the bootloader has set up. Signed-off-by: Thierry Reding <treding@xxxxxxxxxx> --- .../nvidia/tegra194-p3509-0000+p3668-0001.dts | 32 +++++++++++++++++++ arch/arm64/boot/dts/nvidia/tegra194.dtsi | 2 +- 2 files changed, 33 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0001.dts b/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0001.dts index 238fd98e8e45..163950321c38 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0001.dts +++ b/arch/arm64/boot/dts/nvidia/tegra194-p3509-0000+p3668-0001.dts @@ -7,4 +7,36 @@ / { model = "NVIDIA Jetson Xavier NX Developer Kit (eMMC)"; compatible = "nvidia,p3509-0000+p3668-0001", "nvidia,tegra194"; + + chosen { + framebuffer { + compatible = "simple-framebuffer"; + memory-region = <&fb>; + power-domains = <&bpmp TEGRA194_POWER_DOMAIN_DISP>; + clocks = <&bpmp TEGRA194_CLK_SOR1_REF>, + <&bpmp TEGRA194_CLK_SOR1_OUT>, + <&bpmp TEGRA194_CLK_SOR1_PAD_CLKOUT>, + <&bpmp TEGRA194_CLK_PLLD2>, + <&bpmp TEGRA194_CLK_PLLDP>, + <&bpmp TEGRA194_CLK_NVDISPLAY_DISP>, + <&bpmp TEGRA194_CLK_NVDISPLAYHUB>, + <&bpmp TEGRA194_CLK_NVDISPLAY_P0>; + width = <1920>; + height = <1080>; + stride = <7680>; + format = "a8b8g8r8"; + }; + }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + fb: framebuffer@2,573a0000 { + compatible = "framebuffer"; + reg = <0x2 0x573a0000 0x0 0x007e9000>; + iommu-addresses = <&dc0 0x2 0x573a0000 0x0 0x007e9000>; + }; + }; }; diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index 3e6ac20ace3d..5c5343cf8dc9 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -1929,7 +1929,7 @@ display-hub@15200000 { ranges = <0x15200000 0x15200000 0x40000>; - display@15200000 { + dc0: display@15200000 { compatible = "nvidia,tegra194-dc"; reg = <0x15200000 0x10000>; interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>; -- 2.37.2