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: Chen-Yu Tsai <w...@csie.org>
---
 arch/arm/boot/dts/sunxi-h3-h5.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi 
b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index c9c9ec71945f..b70899500825 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -400,6 +400,11 @@
                                function = "csi";
                        };
 
+                       csi_mclk_pin: csi-mclk {
+                               pins = "PE1";
+                               function = "csi";
+                       };
+
                        emac_rgmii_pins: emac0 {
                                pins = "PD0", "PD1", "PD2", "PD3", "PD4",
                                       "PD5", "PD7", "PD8", "PD9", "PD10",
-- 
2.20.0.rc1

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