The adv7511 on the Lager board has a 12 MHz fixed clock
for the CEC block. Specify this in the dts to enable CEC support.
Based on a similar patch for Koelsch by Hans Verkuil.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>
Tested-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
arch/arm/boot/dts/r8a7790-lager.dts | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index e3d27783b6b56b42..b8bbaa87a5ab7c99 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -670,11 +670,19 @@
};
};
+ cec_clock: cec-clock {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <12000000>;
+ };
+
hdmi@39 {
compatible = "adi,adv7511w";
reg = <0x39>;
interrupt-parent = <&gpio1>;
interrupts = <15 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&cec_clock>;
+ clock-names = "cec";
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
--
2.15.1
--
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