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| author | Stefano Radaelli <stefano.r@variscite.com> | 2026-03-31 11:21:12 +0200 |
|---|---|---|
| committer | Frank Li <Frank.Li@nxp.com> | 2026-05-05 14:39:14 -0400 |
| commit | 67efe58b4ac7a088a0fe881fab368f93dc40046d (patch) | |
| tree | 0da4a713a2a82f828a5baf6e1f159ae0ea55dbc4 | |
| parent | 46e2e3a1c9f65f7555e19e5651cb924c3600ad3c (diff) | |
| download | linux-67efe58b4ac7a088a0fe881fab368f93dc40046d.tar.gz linux-67efe58b4ac7a088a0fe881fab368f93dc40046d.zip | |
arm64: dts: imx91-var-dart-sonata: add RGB enable supply for PCA6408
RGB enable pin, labeled as RGBSEL, is a board-level enable signal on
the Sonata carrier board.
The two PCA6408 GPIO expanders depend on this signal being asserted, so
model it as a fixed regulator and use it as their vcc-supply.
Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
| -rw-r--r-- | arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts b/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts index afa39dab240a..3f0fd321d95f 100644 --- a/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts +++ b/arch/arm64/boot/dts/freescale/imx91-var-dart-sonata.dts @@ -90,6 +90,13 @@ regulator-max-microvolt = <1800000>; }; + reg_rgb_sel: regulator-rgb-enable { + compatible = "regulator-fixed"; + regulator-name = "RGBSEL"; + gpio = <&pca9534 7 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reg_usdhc2_vmmc: regulator-vmmc-usdhc2 { compatible = "regulator-fixed"; pinctrl-names = "default"; @@ -195,6 +202,7 @@ #gpio-cells = <2>; interrupt-parent = <&gpio1>; interrupts = <10 IRQ_TYPE_LEVEL_LOW>; + vcc-supply = <®_rgb_sel>; }; pca6408_2: gpio@21 { @@ -204,6 +212,7 @@ #gpio-cells = <2>; interrupt-parent = <&gpio1>; interrupts = <10 IRQ_TYPE_LEVEL_LOW>; + vcc-supply = <®_rgb_sel>; }; pca9534: gpio@22 { |