From 15767cfd81eb9ff2fb783d0c6f458b90efa7d4d3 Mon Sep 17 00:00:00 2001 From: Neil Armstrong Date: Thu, 3 Oct 2019 15:08:41 +0200 Subject: [PATCH] arm64: dts: meson-g12: add support for simplefb SimpleFB allows transferring a framebuffer from the firmware/bootloader to the kernel, while making sure the related clocks and power supplies stay enabled. Add nodes for CVBS and HDMI Simple Framebuffers, based on the GXBB/GXL/GXM support at [1]. [1] 03b370357907 ("arm64: dts: meson-gx: add support for simplef") Cc: Maxime Jourdan Signed-off-by: Neil Armstrong Reviewed-by: Kevin Hilman Signed-off-by: Kevin Hilman --- .../boot/dts/amlogic/meson-g12-common.dtsi | 26 +++++++++++++++++++ arch/arm64/boot/dts/amlogic/meson-g12.dtsi | 8 ++++++ arch/arm64/boot/dts/amlogic/meson-sm1.dtsi | 8 ++++++ 3 files changed, 42 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi index f76773cabdb1..21c155f4508c 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi @@ -16,6 +16,32 @@ / { #address-cells = <2>; #size-cells = <2>; + chosen { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + simplefb_cvbs: framebuffer-cvbs { + compatible = "amlogic,simple-framebuffer", + "simple-framebuffer"; + amlogic,pipeline = "vpu-cvbs"; + clocks = <&clkc CLKID_HDMI>, + <&clkc CLKID_HTX_PCLK>, + <&clkc CLKID_VPU_INTR>; + status = "disabled"; + }; + + simplefb_hdmi: framebuffer-hdmi { + compatible = "amlogic,simple-framebuffer", + "simple-framebuffer"; + amlogic,pipeline = "vpu-hdmi"; + clocks = <&clkc CLKID_HDMI>, + <&clkc CLKID_HTX_PCLK>, + <&clkc CLKID_VPU_INTR>; + status = "disabled"; + }; + }; + efuse: efuse { compatible = "amlogic,meson-gxbb-efuse"; clocks = <&clkc CLKID_EFUSE>; diff --git a/arch/arm64/boot/dts/amlogic/meson-g12.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12.dtsi index 3cf74fc96434..1e0e056c3d62 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12.dtsi @@ -358,3 +358,11 @@ &vpu { &sd_emmc_a { amlogic,dram-access-quirk; }; + +&simplefb_cvbs { + power-domains = <&pwrc PWRC_G12A_VPU_ID>; +}; + +&simplefb_hdmi { + power-domains = <&pwrc PWRC_G12A_VPU_ID>; +}; diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi index 1fdc5af5ae23..f89d744c9648 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-sm1.dtsi @@ -147,6 +147,14 @@ &pwrc { compatible = "amlogic,meson-sm1-pwrc"; }; +&simplefb_cvbs { + power-domains = <&pwrc PWRC_SM1_VPU_ID>; +}; + +&simplefb_hdmi { + power-domains = <&pwrc PWRC_SM1_VPU_ID>; +}; + &vpu { power-domains = <&pwrc PWRC_SM1_VPU_ID>; }; -- 2.45.2