[PATCH 5/9] ARM: dts: koelsch: Add CEC clock for HDMI transmitter
Simon Horman
horms+renesas at verge.net.au
Fri Aug 18 01:19:50 PDT 2017
From: Hans Verkuil <hans.verkuil at cisco.com>
The adv7511 on the Koelsch board has a 12 MHz fixed clock
for the CEC block. Specify this in the dts to enable CEC support.
Signed-off-by: Hans Verkuil <hans.verkuil at cisco.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas at glider.be>
Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
---
arch/arm/boot/dts/r8a7791-koelsch.dts | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index dc8ed02de707..0ce0b278e1cb 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -642,11 +642,19 @@
};
};
+ cec_clock: cec-clock {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <12000000>;
+ };
+
hdmi at 39 {
compatible = "adi,adv7511w";
reg = <0x39>;
interrupt-parent = <&gpio3>;
interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&cec_clock>;
+ clock-names = "cec";
adi,input-depth = <8>;
adi,input-colorspace = "rgb";
--
2.1.4
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