linux-kernel - Re: [3/4] ARM: dts: Add UART2 dt node for Exynos3250 SoC

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Date:	Mon, 17 Aug 2015 09:03:48 +0530
From:	Pankaj Dubey <pankaj.dubey@...sung.com>
To:	Chanwoo Choi <cw00.choi@...sung.com>, s.nawrocki@...sung.com,
	tomasz.figa@...il.com, kgene@...nel.org, k.kozlowski@...sung.com
Cc:	mturquette@...libre.com, sboyd@...eaurora.org,
	linux-samsung-soc@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org
Subject: Re: [3/4] ARM: dts: Add UART2 dt node for Exynos3250 SoC

Hi Chanwoo,

Similar patch was posted here[1].

[1]: 
http://lists.infradead.org/pipermail/linux-arm-kernel/2014-September/291023.html

Thanks,
Pankaj Dubey

On Tuesday 11 August 2015 09:16 AM, Chanwoo Choi wrote:
> This patch add the uart2 devicetree node for Exynos3250 SoC.
>
> Cc: Kukjin Kim <kgene@...nel.org>
> Cc: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
> Reviewed-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
>
> ---
> arch/arm/boot/dts/exynos3250-pinctrl.dtsi |  7 +++++++
>   arch/arm/boot/dts/exynos3250.dtsi         | 12 ++++++++++++
>   2 files changed, 19 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos3250-pinctrl.dtsi b/arch/arm/boot/dts/exynos3250-pinctrl.dtsi
> index 5ab81c39e2c9..eac1d21c10d4 100644
> --- a/arch/arm/boot/dts/exynos3250-pinctrl.dtsi
> +++ b/arch/arm/boot/dts/exynos3250-pinctrl.dtsi
> @@ -120,6 +120,13 @@
>   		samsung,pin-drv = <0>;
>   	};
>
> +	uart2_data: uart2-data {
> +		samsung,pins = "gpa1-0", "gpa1-1";
> +		samsung,pin-function = <2>;
> +		samsung,pin-pud = <0>;
> +		samsung,pin-drv = <0>;
> +	};
> +
>   	i2c3_bus: i2c3-bus {
>   		samsung,pins = "gpa1-2", "gpa1-3";
>   		samsung,pin-function = <3>;
> diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi
> index 2db99433e17f..02f3250766c9 100644
> --- a/arch/arm/boot/dts/exynos3250.dtsi
> +++ b/arch/arm/boot/dts/exynos3250.dtsi
> @@ -42,6 +42,7 @@
>   		i2c7 = &i2c_7;
>   		serial0 = &serial_0;
>   		serial1 = &serial_1;
> +		serial2 = &serial_2;
>   	};
>
>   	cpus {
> @@ -435,6 +436,17 @@
>   			status = "disabled";
>   		};
>
> +		serial_2: serial@...20000 {
> +			compatible = "samsung,exynos4210-uart";
> +			reg = <0x13820000 0x100>;
> +			interrupts = <0 111 0>;
> +			clocks = <&cmu CLK_UART2>, <&cmu CLK_SCLK_UART2>;
> +			clock-names = "uart", "clk_uart_baud0";
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&uart2_data>;
> +			status = "disabled";
> +		};
> +
>   		i2c_0: i2c@...60000 {
>   			#address-cells = <1>;
>   			#size-cells = <0>;
>
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