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| author | Harald Geyer <harald@ccbib.org> | 2018-03-15 17:25:08 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@bootlin.com> | 2018-03-19 22:12:28 +0100 |
| commit | c1cff65f9b16b31e731e2e75bbe06638c86e1996 (patch) | |
| tree | 8635a8d008fc82cd05544a5984e206ffe5ae2535 /arch/arm64/boot | |
| parent | arm64: dts: allwinner: a64: Add watchdog (diff) | |
| download | linux-c1cff65f9b16b31e731e2e75bbe06638c86e1996.tar.xz linux-c1cff65f9b16b31e731e2e75bbe06638c86e1996.zip | |
arm64: dts: allwinner: a64: add simplefb for A64 SoC
The A64 SoC features two display pipelines, one has a LCD output, the
other has a HDMI output.
Add support for simplefb for the LCD output. Tested on Teres I.
This patch was inspired by work of Icenowy Zheng.
Signed-off-by: Harald Geyer <harald@ccbib.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Diffstat (limited to 'arch/arm64/boot')
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 8401e7f887ff..1b2ef28c42bd 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -52,6 +52,26 @@ #address-cells = <1>; #size-cells = <1>; + chosen { + #address-cells = <1>; + #size-cells = <1>; + ranges; + +/* + * The pipeline mixer0-lcd0 depends on clock CLK_MIXER0 from DE2 CCU. + * However there is no support for this clock on A64 yet, so we depend + * on the upstream clocks here to keep them (and thus CLK_MIXER0) up. + */ + simplefb_lcd: framebuffer-lcd { + compatible = "allwinner,simple-framebuffer", + "simple-framebuffer"; + allwinner,pipeline = "mixer0-lcd0"; + clocks = <&ccu CLK_TCON0>, + <&ccu CLK_DE>, <&ccu CLK_BUS_DE>; + status = "disabled"; + }; + }; + cpus { #address-cells = <1>; #size-cells = <0>; |