linux-kernel - Re: [PATCH 5/7] arm64: dts: exynos: Add dts files for Samsung Exynos5433 64bit SoC

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Message-id: <d4ebd29f-98b7-6e56-42ee-923d55ca85ff@samsung.com>
Date:	Tue, 16 Aug 2016 12:50:58 +0200
From:	Sylwester Nawrocki <s.nawrocki@...sung.com>
To:	Chanwoo Choi <cw00.choi@...sung.com>
Cc:	k.kozlowski@...sung.com, kgene@...nel.org, robh+dt@...nel.org,
	mark.rutland@....com, catalin.marinas@....com, will.deacon@....com,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	krzk@...nel.org, jh80.chung@...sung.com, sw0312.kim@...sung.com,
	jy0922.shim@...sung.com, inki.dae@...sung.com,
	jonghwa3.lee@...sung.com, beomho.seo@...sung.com,
	jaewon02.kim@...sung.com, human.hwang@...sung.com,
	ideal.song@...sung.com, ingi2.kim@...sung.com,
	m.szyprowski@...sung.com, a.hajda@...sung.com, chanwoo@...nel.org
Subject: Re: [PATCH 5/7] arm64: dts: exynos: Add dts files for Samsung
 Exynos5433 64bit SoC

Hi Chanwoo,

On 08/16/2016 08:35 AM, Chanwoo Choi wrote:
> This patch adds new Exynos5433 dtsi to support 64-bit Exynos5433 SoC based on
> Octa-core CPUs (quad Cortex-A57 and quad Cortex-A53). And Exynos5433 supports
> PSCI (Power State Coordination Interface) v0.1.

> ---
>  arch/arm64/boot/dts/exynos/exynos5433.dtsi         | 1580 ++++++++++++++++++++

> diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi 
> b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> new file mode 100644
> index 000000000000..2a5b05744533
> --- /dev/null
> +++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
> @@ -0,0 +1,1580 @@

> +
> +/ {
> +	compatible = "samsung,exynos5433";
> +	#address-cells = <2>;
> +	#size-cells = <2>;

> +	soc: soc {
> +		compatible = "simple-bus";
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges = <0x0 0x0 0x0 0x18000000>;

> +		lpass: lpass@...00000 {
> +			compatible = "samsung,exynos5433-lpass";
> +			reg = <0x11400000 0x100>;
> +			samsung,pmu-syscon = <&pmu_system_controller>;
> +			status = "disabled";
> +		};
> +
> +		i2s0: i2s0@...40000 {
> +			compatible = "samsung,exynos7-i2s";
> +			reg = <0x11440000 0x100>;
> +			dmas = <&adma 0 &adma 2>;
> +			dma-names = "tx", "rx";
> +			interrupts = <0 70 0>;
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +			clocks = <&cmu_aud CLK_PCLK_AUD_I2S>,
> +				 <&cmu_aud CLK_SCLK_AUD_I2S>,
> +				 <&cmu_aud CLK_SCLK_I2S_BCLK>;
> +			clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&i2s0_bus>;
> +			status = "disabled";
> +		};

> +		serial_3: serial@...60000 {
> +			compatible = "samsung,exynos5433-uart";
> +			reg = <0x11460000 0x100>;
> +			interrupts = <0 67 0>;
> +			clocks = <&cmu_aud CLK_PCLK_AUD_UART>,
> +				<&cmu_aud CLK_SCLK_AUD_UART>;
> +			clock-names = "uart", "clk_uart_baud0";
> +			pinctrl-names = "default";
> +			pinctrl-0 = <&uart_aud_bus>;
> +			status = "disabled";
> +		};
> +

> +		amba {
> +			compatible = "arm,amba-bus";
> +			#address-cells = <1>;
> +			#size-cells = <1>;
> +			ranges;

> +			adma: adma@...20000 {
> +				compatible = "arm,pl330", "arm,primecell";
> +				reg = <0x11420000 0x1000>;
> +				interrupts = <0 73 0>;
> +				clocks = <&cmu_aud CLK_ACLK_DMAC>;
> +				clock-names = "apb_pclk";
> +				#dma-cells = <1>;
> +				#dma-channels = <8>;
> +				#dma-requests = <32>;
> +			};
> +		};
> +	};

The latest Exynos5433 Audio Subsystem bindings look like this
https://git.linuxtv.org/snawrocki/samsung.git/commit/?h=for-v4.9/mfd/exynos-lpass-v5&id=104cc6ad3ecc7c4c8ecf73663b93eb48b78f35aa
i.e. adma@...20000, i2s0@...40000, serial@...60000 should be subnodes of
the lpass@...00000 node.

-- 
Thanks,
Sylwester