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 <mjourdan@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index 9b0ac18..86a14f3 100644 (file)
--- 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 (file)
--- 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 (file)
--- 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";