[PATCH 5/5] ARM: dts: r8a7794 add sound support

[Simon Horman]

On Tue, Feb 09, 2016 at 02:04:07AM +0300, Sergei Shtylyov wrote:
> Define the generic R8A7794 part of  the sound device node.
> This sound device  is a complex one and comprises the Audio Clock Generator
> (ADG), Sampling Rate Converter Unit (SCU), Serial Sound Interface [Unit]
> (SSI[U]), and Audio DMAC-Peripheral-Peripheral.
> It is up  to the board file to enable the device.
> 
> This patch is based on the R8A7791 sound work by Kuninori Morimoto.
> 
> Signed-off-by: Sergei Shtylyov <sergei.shtylyov at cogentembedded.com>
> 
> ---
>  arch/arm/boot/dts/r8a7794.dtsi |  171 +++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 171 insertions(+)
> 
> Index: renesas/arch/arm/boot/dts/r8a7794.dtsi
> ===================================================================
> --- renesas.orig/arch/arm/boot/dts/r8a7794.dtsi
> +++ renesas/arch/arm/boot/dts/r8a7794.dtsi
> @@ -1309,4 +1309,175 @@
>  		#iommu-cells = <1>;
>  		status = "disabled";
>  	};
> +
> +	rcar_sound: sound at ec500000 {
> +		/*
> +		 * #sound-dai-cells is required
> +		 *
> +		 * Single DAI : #sound-dai-cells = <0>;         <&rcar_sound>;
> +		 * Multi  DAI : #sound-dai-cells = <1>;         <&rcar_sound N>;
> +		 */
> +		compatible = "renesas,rcar_sound-r8a7794",
> +			     "renesas,rcar_sound-gen2";
> +		reg =	<0 0xec500000 0 0x1000>, /* SCU */
> +			<0 0xec5a0000 0 0x100>,  /* ADG */
> +			<0 0xec540000 0 0x1000>, /* SSIU */
> +			<0 0xec541000 0 0x280>,  /* SSI */
> +			<0 0xec740000 0 0x200>;  /* Audio DMAC peri peri */
> +		reg-names = "scu", "adg", "ssiu", "ssi", "audmapp";
> +
> +		clocks = <&mstp10_clks R8A7794_CLK_SSI_ALL>,
> +			 <&mstp10_clks R8A7794_CLK_SSI9>,
> +			 <&mstp10_clks R8A7794_CLK_SSI8>,
> +			 <&mstp10_clks R8A7794_CLK_SSI7>,
> +			 <&mstp10_clks R8A7794_CLK_SSI6>,
> +			 <&mstp10_clks R8A7794_CLK_SSI5>,
> +			 <&mstp10_clks R8A7794_CLK_SSI4>,
> +			 <&mstp10_clks R8A7794_CLK_SSI3>,
> +			 <&mstp10_clks R8A7794_CLK_SSI2>,
> +			 <&mstp10_clks R8A7794_CLK_SSI1>,
> +			 <&mstp10_clks R8A7794_CLK_SSI0>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC9>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC8>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC7>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC6>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC5>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC4>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC3>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC2>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC1>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_SRC0>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_CTU0_MIX0>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_CTU1_MIX1>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_CTU0_MIX0>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_CTU1_MIX1>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_DVC0>,
> +			 <&mstp10_clks R8A7794_CLK_SCU_DVC1>,
> +			 <&audio_clka>, <&audio_clkb>, <&audio_clkc>,
> +			 <&m2_clk>;
> +		clock-names = "ssi-all",
> +			      "ssi.9", "ssi.8", "ssi.7", "ssi.6", "ssi.5",
> +			      "ssi.4", "ssi.3", "ssi.2", "ssi.1", "ssi.0",
> +			      "src.9", "src.8", "src.7", "src.6", "src.5",
> +			      "src.4", "src.3", "src.2", "src.1", "src.0",
> +			      "clk_a", "clk_b", "clk_c", "clk_i";
> +		power-domains = <&cpg_clocks>;
> +
> +		status = "disabled";
> +		rcar_sound,src {
> +			src0: src at 0 {
> +				interrupts = <GIC_SPI 352 IRQ_TYPE_LEVEL_HIGH>;
> +				dmas = <&audma0 0x85>, <&audma0 0x9a>;
> +				dma-names = "rx", "tx";
> +			};
> +			src1: src at 1 {
> +				interrupts = <GIC_SPI 353 IRQ_TYPE_LEVEL_HIGH>;
> +				dmas = <&audma0 0x87>, <&audma0 0x9c>;
> +				dma-names = "rx", "tx";
> +			};
> +			src2: src at 2 {
> +				interrupts = <GIC_SPI 354 IRQ_TYPE_LEVEL_HIGH>;
> +				dmas = <&audma0 0x89>, <&audma0 0x9e>;
> +				dma-names = "rx", "tx";
> +			};
> +			src3: src at 3 {
> +				interrupts = <GIC_SPI 355 IRQ_TYPE_LEVEL_HIGH>;
> +				dmas = <&audma0 0x8b>, <&audma0 0xa0>;
> +				dma-names = "rx", "tx";
> +			};
> +			src4: src at 4 {
> +				interrupts = <GIC_SPI 356 IRQ_TYPE_LEVEL_HIGH>;
> +				dmas = <&audma0 0x8d>, <&audma0 0xb0>;
> +				dma-names = "rx", "tx";
> +			};
> +			src5: src at 5 {
> +				interrupts = <GIC_SPI 357 IRQ_TYPE_LEVEL_HIGH>;
> +				dmas = <&audma0 0x8f>, <&audma0 0xb2>;
> +				dma-names = "rx", "tx";
> +			};
> +			src6: src at 6 {
> +				interrupts = <GIC_SPI 358 IRQ_TYPE_LEVEL_HIGH>;
> +				dmas = <&audma0 0x91>, <&audma0 0xb4>;
> +				dma-names = "rx", "tx";
> +			};
> +			src7: src at 7 {
> +				interrupts = <GIC_SPI 359 IRQ_TYPE_LEVEL_HIGH>;
> +				dmas = <&audma0 0x93>, <&audma0 0xb6>;
> +				dma-names = "rx", "tx";
> +			};
> +			src8: src at 8 {
> +				interrupts = <GIC_SPI 360 IRQ_TYPE_LEVEL_HIGH>;
> +				dmas = <&audma0 0x95>, <&audma0 0xb8>;
> +				dma-names = "rx", "tx";
> +			};
> +			src9: src at 9 {
> +				interrupts = <GIC_SPI 361 IRQ_TYPE_LEVEL_HIGH>;
> +				dmas = <&audma0 0x97>, <&audma0 0xba>;
> +				dma-names = "rx", "tx";
> +			};
> +		};

My reading of the documentation is that src0, 7, 8 and 9 are not
present on the r8a7794. I am referring to Figure 38.1b or r1.02 of
the R-Car Gen2 User's Manual.

[snip]