[PATCH] arm64: dts: allwinner: h6: tanix-tx6: Add I2C node

[PATCH] arm64: dts: allwinner: h6: tanix-tx6: Add I2C node

[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

[PATCH] arm64: dts: allwinner: h6: tanix-tx6: Add I2C node

[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


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Re: [PATCH] arm64: dts: allwinner: h6: tanix-tx6: Add I2C node

[Maxime Ripard]

On Sun, 21 Nov 2021 12:50:02 +0100, Jernej Skrabec wrote:
> 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.
> 
> 
> [...]

Applied to sunxi/linux.git (sunxi/dt-for-5.17).

Thanks!
Maxime

Re: [PATCH] arm64: dts: allwinner: h6: tanix-tx6: Add I2C node

[Maxime Ripard]

On Sun, 21 Nov 2021 12:50:02 +0100, Jernej Skrabec wrote:
> 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.
> 
> 
> [...]

Applied to sunxi/linux.git (sunxi/dt-for-5.17).

Thanks!
Maxime

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