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* [PATCH] arm64: dts: allwinner: h6: tanix-tx6: Add I2C node
@ 2021-11-21 11:50 Jernej Skrabec
  2021-11-22  9:07 ` Maxime Ripard
  0 siblings, 1 reply; 2+ messages in thread
From: Jernej Skrabec @ 2021-11-21 11:50 UTC (permalink / raw)
  To: mripard, wens
  Cc: robh+dt, devicetree, linux-arm-kernel, linux-sunxi, linux-kernel,
	Jernej Skrabec

Tanix TX6 has a LED display driven by FD650.

Currently there is no Linux driver nor any binding for it. However, we
can at least provide I2C node in DT, so user space scripts or programs
can manually control it.

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
---
 arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts
index 6c10ff7f4b1c..7c37aa4c60cb 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-tanix-tx6.dts
@@ -32,6 +32,14 @@ hdmi_con_in: endpoint {
 		};
 	};
 
+	/* used for FD650 LED display driver */
+	i2c {
+		compatible = "i2c-gpio";
+		sda-gpios = <&pio 7 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; /* PH6 */
+		scl-gpios = <&pio 7 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>; /* PH5 */
+		i2c-gpio,delay-us = <5>;
+	};
+
 	reg_vcc1v8: regulator-vcc1v8 {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc1v8";
-- 
2.34.0


^ permalink raw reply	[flat|nested] 2+ messages in thread

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2021-11-21 11:50 [PATCH] arm64: dts: allwinner: h6: tanix-tx6: Add I2C node Jernej Skrabec
2021-11-22  9:07 ` Maxime Ripard

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