[PATCH v2 3/3] arm64: dts: allwinner: a64: Add pinmux setting for CSI MCLK on PE1

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Some camera modules have the SoC feeding a master clock to the sensor
instead of having a standalone crystal. This clock signal is generated
from the clock control unit and output from the CSI MCLK function of
pin PE1.

Add a pinmux setting for it for camera sensors to reference.

Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
---
Changes for v2:
- new patch

 arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index d7ab0006ebce..902b5238f1dd 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -538,6 +538,11 @@
 				function = "csi0";
 			};
 
+			csi_mclk_pin: csi-mclk {
+				pins = "PE1";
+				function = "csi0";
+			};
+
 			i2c0_pins: i2c0_pins {
 				pins = "PH0", "PH1";
 				function = "i2c0";
-- 
2.18.0.321.gffc6fa0e3




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