[PATCH 02/12] arm64: renesas: r8a7795: Sound SSI PIO support
Kuninori Morimoto
kuninori.morimoto.gx at renesas.com
Tue Nov 24 22:36:25 PST 2015
From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
This patch adds SSI for PIO sound support
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
---
arch/arm64/boot/dts/renesas/r8a7795.dtsi | 95 ++++++++++++++++++++++++++++++++
1 file changed, 95 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a7795.dtsi b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
index 18d2221..6fff49c 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7795.dtsi
@@ -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>;
@@ -474,5 +497,77 @@
power-domains = <&cpg>;
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>;
+ */
+ /*
+ * #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 at 0 {
+ interrupts = <0 370 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ ssi1: ssi at 1 {
+ interrupts = <0 371 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ ssi2: ssi at 2 {
+ interrupts = <0 372 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ ssi3: ssi at 3 {
+ interrupts = <0 373 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ ssi4: ssi at 4 {
+ interrupts = <0 374 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ ssi5: ssi at 5 {
+ interrupts = <0 375 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ ssi6: ssi at 6 {
+ interrupts = <0 376 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ ssi7: ssi at 7 {
+ interrupts = <0 377 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ ssi8: ssi at 8 {
+ interrupts = <0 378 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ ssi9: ssi at 9 {
+ interrupts = <0 379 IRQ_TYPE_LEVEL_HIGH>;
+ };
+ };
+ };
};
};
--
1.9.1
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