linux-kernel - [PATCH 1/2] arm64: dts: allwinner: a64: Add pinmux setting for CSI MCLK on PE1

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Message-Id: <20190418083813.11776-1-jagan@amarulasolutions.com>
Date:   Thu, 18 Apr 2019 14:08:12 +0530
From:   Jagan Teki <jagan@...rulasolutions.com>
To:     Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Michael Trimarchi <michael@...rulasolutions.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-amarula@...rulasolutions.com,
        Jagan Teki <jagan@...rulasolutions.com>
Subject: [PATCH 1/2] arm64: dts: allwinner: a64: Add pinmux setting for CSI MCLK on PE1

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@...rulasolutions.com>
---
 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 6f27eb082429..6f4e00ec9c68 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -597,6 +597,11 @@
 				function = "csi";
 			};
 
+			csi_mclk_pin: csi-mclk {
+				pins = "PE1";
+				function = "csi";
+			};
+
 			i2c0_pins: i2c0-pins {
 				pins = "PH0", "PH1";
 				function = "i2c0";
-- 
2.18.0.321.gffc6fa0e3