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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>
This commit is contained in:
Maxime Jourdan 2019-01-16 13:40:30 +01:00 committed by Kevin Hilman
parent a720349d2c
commit 03b3703579
3 changed files with 34 additions and 0 deletions
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22
arch/arm64/boot/dts/amlogic/meson-gx.dtsi
View File

@ -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>;

6
arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
View File

@ -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";

6
arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
View File

@ -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";