From 03b370357907c251c4ba19cbd113eebd907ca5c0 Mon Sep 17 00:00:00 2001 From: Maxime Jourdan Date: Wed, 16 Jan 2019 13:40:30 +0100 Subject: [PATCH] arm64: dts: meson-gx: 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. Signed-off-by: Maxime Jourdan Signed-off-by: Kevin Hilman --- arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 22 ++++++++++++++++++++++ arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 6 ++++++ arch/arm64/boot/dts/amlogic/meson-gxl.dtsi | 6 ++++++ 3 files changed, 34 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi index 9b0ac18..86a14f3 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi @@ -50,6 +50,28 @@ }; }; + chosen { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + simplefb_cvbs: framebuffer-cvbs { + compatible = "amlogic,simple-framebuffer", + "simple-framebuffer"; + amlogic,pipeline = "vpu-cvbs"; + power-domains = <&pwrc_vpu>; + status = "disabled"; + }; + + simplefb_hdmi: framebuffer-hdmi { + compatible = "amlogic,simple-framebuffer", + "simple-framebuffer"; + amlogic,pipeline = "vpu-hdmi"; + power-domains = <&pwrc_vpu>; + status = "disabled"; + }; + }; + cpus { #address-cells = <0x2>; #size-cells = <0x0>; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi index a7b883c..a60d365 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi @@ -784,6 +784,12 @@ resets = <&reset RESET_SD_EMMC_C>; }; +&simplefb_hdmi { + clocks = <&clkc CLKID_HDMI_PCLK>, + <&clkc CLKID_CLK81>, + <&clkc CLKID_GCLK_VENCI_INT0>; +}; + &spicc { clocks = <&clkc CLKID_SPICC>; clock-names = "core"; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi index d5c3d78..3093ae4 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi @@ -787,6 +787,12 @@ resets = <&reset RESET_SD_EMMC_C>; }; +&simplefb_hdmi { + clocks = <&clkc CLKID_HDMI_PCLK>, + <&clkc CLKID_CLK81>, + <&clkc CLKID_GCLK_VENCI_INT0>; +}; + &spicc { clocks = <&clkc CLKID_SPICC>; clock-names = "core"; -- 2.7.4