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Commit 623197b9 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Simon Horman
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arm64: renesas: r8a7795: Sound SSI PIO support 



This patch adds SSI for PIO sound support

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarSimon Horman <horms+renesas@verge.net.au>
parent b281f4c8

arch/arm64/boot/dts/renesas/r8a7795.dtsi

+95 −0
Original line number Diff line number Diff line
@@ -52,6 +52,29 @@ 
		clock-frequency = <0>;

	};



	/*

	 * The external audio clocks are configured as 0 Hz fixed frequency

	 * clocks by default.

	 * Boards that provide audio clocks should override them.

	 */

	audio_clk_a: audio_clk_a {

		compatible = "fixed-clock";

		#clock-cells = <0>;

		clock-frequency = <0>;

	};



	audio_clk_b: audio_clk_b {

		compatible = "fixed-clock";

		#clock-cells = <0>;

		clock-frequency = <0>;

	};



	audio_clk_c: audio_clk_c {

		compatible = "fixed-clock";

		#clock-cells = <0>;

		clock-frequency = <0>;

	};



	soc {

		compatible = "simple-bus";

		interrupt-parent = <&gic>;
@@ -534,5 +557,77 @@ 
			power-domains = <&cpg>;

			status = "disabled";

		};



		rcar_sound: sound@ec500000 {

			/*

			 * #sound-dai-cells is required

			 *

			 * Single DAI : #sound-dai-cells = <0>;	<&rcar_sound>;

			 * Multi  DAI : #sound-dai-cells = <1>;	<&rcar_sound N>;

			 */

			/*

			 * #clock-cells is required for audio_clkout0/1/2/3

			 *

			 * clkout	: #clock-cells = <0>;	<&rcar_sound>;

			 * clkout0/1/2/3: #clock-cells = <1>;	<&rcar_sound N>;

			 */

			compatible =  "renesas,rcar_sound-r8a7795", "renesas,rcar_sound-gen3";

			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 = <&cpg CPG_MOD 1005>,

				 <&cpg CPG_MOD 1006>, <&cpg CPG_MOD 1007>,

				 <&cpg CPG_MOD 1008>, <&cpg CPG_MOD 1009>,

				 <&cpg CPG_MOD 1010>, <&cpg CPG_MOD 1011>,

				 <&cpg CPG_MOD 1012>, <&cpg CPG_MOD 1013>,

				 <&cpg CPG_MOD 1014>, <&cpg CPG_MOD 1015>,

				 <&audio_clk_a>, <&audio_clk_b>,

				 <&audio_clk_c>,

				 <&cpg CPG_CORE R8A7795_CLK_S0D4>;

			clock-names = "ssi-all",

				      "ssi.9", "ssi.8", "ssi.7", "ssi.6",

				      "ssi.5", "ssi.4", "ssi.3", "ssi.2",

				      "ssi.1", "ssi.0",

				      "clk_a", "clk_b", "clk_c", "clk_i";

			power-domains = <&cpg>;

			status = "disabled";



			rcar_sound,ssi {

				ssi0: ssi@0 {

					interrupts = <0 370 IRQ_TYPE_LEVEL_HIGH>;

				};

				ssi1: ssi@1 {

					 interrupts = <0 371 IRQ_TYPE_LEVEL_HIGH>;

				};

				ssi2: ssi@2 {

					interrupts = <0 372 IRQ_TYPE_LEVEL_HIGH>;

				};

				ssi3: ssi@3 {

					interrupts = <0 373 IRQ_TYPE_LEVEL_HIGH>;

				};

				ssi4: ssi@4 {

					interrupts = <0 374 IRQ_TYPE_LEVEL_HIGH>;

				};

				ssi5: ssi@5 {

					interrupts = <0 375 IRQ_TYPE_LEVEL_HIGH>;

				};

				ssi6: ssi@6 {

					interrupts = <0 376 IRQ_TYPE_LEVEL_HIGH>;

				};

				ssi7: ssi@7 {

					interrupts = <0 377 IRQ_TYPE_LEVEL_HIGH>;

				};

				ssi8: ssi@8 {

					interrupts = <0 378 IRQ_TYPE_LEVEL_HIGH>;

				};

				ssi9: ssi@9 {

					interrupts = <0 379 IRQ_TYPE_LEVEL_HIGH>;

				};

			};

		};

	};

};