* [PATCH v1 0/2] arm64: dts: imx8mm-var-som-symphony: minor board updates
@ 2026-06-03 22:53 Stefano Radaelli
2026-06-03 22:53 ` [PATCH v1 1/2] arm64: dts: imx8mm-var-som-symphony: add wakeup sources Stefano Radaelli
2026-06-03 22:54 ` [PATCH v1 2/2] arm64: dts: imx8mm-var-som-symphony: keep RGB_SEL low Stefano Radaelli
0 siblings, 2 replies; 3+ messages in thread
From: Stefano Radaelli @ 2026-06-03 22:53 UTC (permalink / raw)
To: linux-kernel, devicetree, imx, linux-arm-kernel
Cc: pierluigi.p, Stefano Radaelli, Rob Herring, Krzysztof Kozlowski,
Conor Dooley, Frank Li, Sascha Hauer, Pengutronix Kernel Team,
Fabio Estevam
This series contains minor updates for the Variscite Symphony carrier
board based on the current hardware configuration.
It updates the RGB_SEL handling and marks the relevant input devices as
wakeup sources.
Stefano Radaelli (2):
arm64: dts: imx8mm-var-som-symphony: add wakeup sources
arm64: dts: imx8mm-var-som-symphony: keep RGB_SEL low
.../boot/dts/freescale/imx8mm-var-som-symphony.dts | 12 ++++++++++++
1 file changed, 12 insertions(+)
base-commit: be580423d3f84b84a2f549df91e66bc4f54eda02
--
2.47.3
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH v1 1/2] arm64: dts: imx8mm-var-som-symphony: add wakeup sources
2026-06-03 22:53 [PATCH v1 0/2] arm64: dts: imx8mm-var-som-symphony: minor board updates Stefano Radaelli
@ 2026-06-03 22:53 ` Stefano Radaelli
2026-06-03 22:54 ` [PATCH v1 2/2] arm64: dts: imx8mm-var-som-symphony: keep RGB_SEL low Stefano Radaelli
1 sibling, 0 replies; 3+ messages in thread
From: Stefano Radaelli @ 2026-06-03 22:53 UTC (permalink / raw)
To: linux-kernel, devicetree, imx, linux-arm-kernel
Cc: pierluigi.p, Stefano Radaelli, Rob Herring, Krzysztof Kozlowski,
Conor Dooley, Frank Li, Sascha Hauer, Pengutronix Kernel Team,
Fabio Estevam
From: Stefano Radaelli <stefano.r@variscite.com>
Mark the Symphony carrier board GPIO keys and capacitive touchscreen as
wakeup sources.
Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
---
arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts
index 857325ef4461..090752014ee2 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts
@@ -55,18 +55,21 @@ key-back {
label = "Back";
gpios = <&pca9534 1 GPIO_ACTIVE_LOW>;
linux,code = <KEY_BACK>;
+ wakeup-source;
};
key-home {
label = "Home";
gpios = <&pca9534 2 GPIO_ACTIVE_LOW>;
linux,code = <KEY_HOME>;
+ wakeup-source;
};
key-menu {
label = "Menu";
gpios = <&pca9534 3 GPIO_ACTIVE_LOW>;
linux,code = <KEY_MENU>;
+ wakeup-source;
};
};
@@ -187,6 +190,7 @@ ft5x06_ts: touchscreen@38 {
touchscreen-size-y = <480>;
touchscreen-inverted-x;
touchscreen-inverted-y;
+ wakeup-source;
};
rtc@68 {
--
2.47.3
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH v1 2/2] arm64: dts: imx8mm-var-som-symphony: keep RGB_SEL low
2026-06-03 22:53 [PATCH v1 0/2] arm64: dts: imx8mm-var-som-symphony: minor board updates Stefano Radaelli
2026-06-03 22:53 ` [PATCH v1 1/2] arm64: dts: imx8mm-var-som-symphony: add wakeup sources Stefano Radaelli
@ 2026-06-03 22:54 ` Stefano Radaelli
1 sibling, 0 replies; 3+ messages in thread
From: Stefano Radaelli @ 2026-06-03 22:54 UTC (permalink / raw)
To: linux-kernel, devicetree, imx, linux-arm-kernel
Cc: pierluigi.p, Stefano Radaelli, Rob Herring, Krzysztof Kozlowski,
Conor Dooley, Frank Li, Sascha Hauer, Pengutronix Kernel Team,
Fabio Estevam
From: Stefano Radaelli <stefano.r@variscite.com>
Keep the RGB_SEL line driven low on the Symphony carrier board.
This avoids leaving the line floating and ensures the board remains in
the expected display configuration.
Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
---
arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts
index 090752014ee2..fd0a1862ce90 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-var-som-symphony.dts
@@ -168,6 +168,14 @@ pca6408: gpio@21 {
reg = <0x21>;
gpio-controller;
#gpio-cells = <2>;
+
+ /* RGB_SEL */
+ lvds-brg-enable-hog {
+ gpio-hog;
+ gpios = <7 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "rgb_sel";
+ };
};
st33ktpm2xi2c: tpm@2e {
--
2.47.3
^ permalink raw reply related [flat|nested] 3+ messages in thread
end of thread, other threads:[~2026-06-03 22:54 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2026-06-03 22:53 [PATCH v1 0/2] arm64: dts: imx8mm-var-som-symphony: minor board updates Stefano Radaelli
2026-06-03 22:53 ` [PATCH v1 1/2] arm64: dts: imx8mm-var-som-symphony: add wakeup sources Stefano Radaelli
2026-06-03 22:54 ` [PATCH v1 2/2] arm64: dts: imx8mm-var-som-symphony: keep RGB_SEL low Stefano Radaelli
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