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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2020-08-17 08:16:38 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2020-08-17 09:51:44 +0200 |
| commit | 0c2e2b7d8fd795c24abc7bfd3752eb3e366155eb (patch) | |
| tree | 21cddf4b49891b7df21cbe5e5dd358d4e44e031d /dts/src/arm64/allwinner/sun50i-a64-pinephone-1.1.dts | |
| parent | 8ef08db9ad225acbf7326493cc586bb14fd917f5 (diff) | |
| download | barebox-0c2e2b7d8fd795c24abc7bfd3752eb3e366155eb.tar.gz barebox-0c2e2b7d8fd795c24abc7bfd3752eb3e366155eb.tar.xz | |
dts: update to v5.9-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/src/arm64/allwinner/sun50i-a64-pinephone-1.1.dts')
| -rw-r--r-- | dts/src/arm64/allwinner/sun50i-a64-pinephone-1.1.dts | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/dts/src/arm64/allwinner/sun50i-a64-pinephone-1.1.dts b/dts/src/arm64/allwinner/sun50i-a64-pinephone-1.1.dts index 06a775c416..3e99a87e9c 100644 --- a/dts/src/arm64/allwinner/sun50i-a64-pinephone-1.1.dts +++ b/dts/src/arm64/allwinner/sun50i-a64-pinephone-1.1.dts @@ -9,3 +9,22 @@ model = "Pine64 PinePhone Braveheart (1.1)"; compatible = "pine64,pinephone-1.1", "allwinner,sun50i-a64"; }; + +&backlight { + power-supply = <®_ldo_io0>; + /* + * PWM backlight circuit on this PinePhone revision was changed since + * 1.0, and the lowest PWM duty cycle that doesn't lead to backlight + * being off is around 20%. Duty cycle for the lowest brightness level + * also varries quite a bit between individual boards, so the lowest + * value here was chosen as a safe default. + */ + brightness-levels = < + 774 793 814 842 + 882 935 1003 1088 + 1192 1316 1462 1633 + 1830 2054 2309 2596 + 2916 3271 3664 4096>; + num-interpolated-steps = <50>; + default-brightness-level = <400>; +}; |