[PATCH 0/9] Add sound support

[PATCH 0/9] Add sound support

[Biju Das]

This series aims to add sound support for iWave RZ/G1E board.

Biju Das (9):
  ARM: dts: r8a7745: Add audio clocks
  ARM: dts: r8a7745: Add audio DMAC support
  ARM: dts: r8a7745: Add sound support
  ARM: dts: iwg22d-sodimm: Enable SGTL5000 audio codec
  ARM: dts: iwg22d-sodimm: Sound PIO support
  ARM: dts: iwg22d-sodimm: Sound DMA support on DTS
  ARM: dts: iwg22d-sodimm: Sound DMA support via BUSIF on DTS
  ARM: dts: iwg22d-sodimm: Sound DMA support via SRC on DTS
  ARM: dts: iwg22d-sodimm: Sound DMA support via DVC on DTS

 arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts |  92 +++++++++++
 arch/arm/boot/dts/r8a7745.dtsi              | 232 ++++++++++++++++++++++++++++
 2 files changed, 324 insertions(+)

-- 
1.9.1

[PATCH 1/9] ARM: dts: r8a7745: Add audio clocks

[Biju Das]

Describe the external audio clocks required by the sound driver.
Boards that provide audio clocks need to override the clock frequencies.

Signed-off-by: Biju Das <biju.das-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org>
Reviewed-by: Fabrizio Castro <fabrizio.castro-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org>
---
 arch/arm/boot/dts/r8a7745.dtsi | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7745.dtsi b/arch/arm/boot/dts/r8a7745.dtsi
index 2be7485..6d085f0 100644
--- a/arch/arm/boot/dts/r8a7745.dtsi
+++ b/arch/arm/boot/dts/r8a7745.dtsi
@@ -35,6 +35,27 @@
 		vin1 = &vin1;
 	};
 
+	/*
+	 * The external audio clocks are configured  as 0 Hz fixed
+	 * frequency clocks by default.  Boards that provide audio
+	 * clocks should override them.
+	 */
+	audio_clka: audio_clka {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <0>;
+	};
+	audio_clkb: audio_clkb {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <0>;
+	};
+	audio_clkc: audio_clkc {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <0>;
+	};
+
 	/* External CAN clock */
 	can_clk: can {
 		compatible = "fixed-clock";
-- 
1.9.1

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[PATCH 2/9] ARM: dts: r8a7745: Add audio DMAC support

[Biju Das]

Instantiate the audio DMA controller on the r8a7745 device tree.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
---
 arch/arm/boot/dts/r8a7745.dtsi | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7745.dtsi b/arch/arm/boot/dts/r8a7745.dtsi
index 6d085f0..d9488a1 100644
--- a/arch/arm/boot/dts/r8a7745.dtsi
+++ b/arch/arm/boot/dts/r8a7745.dtsi
@@ -397,6 +397,37 @@
 			dma-channels = <15>;
 		};
 
+		audma0: dma-controller@ec700000 {
+			compatible = "renesas,dmac-r8a7745",
+				     "renesas,rcar-dmac";
+			reg = <0 0xec700000 0 0x10000>;
+			interrupts = <GIC_SPI 346 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 320 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 321 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 322 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 323 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 324 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 325 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 328 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 329 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH
+				      GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "error",
+					  "ch0", "ch1", "ch2", "ch3",
+					  "ch4", "ch5", "ch6", "ch7",
+					  "ch8", "ch9", "ch10", "ch11",
+					  "ch12";
+			clocks = <&cpg CPG_MOD 502>;
+			clock-names = "fck";
+			power-domains = <&sysc R8A7745_PD_ALWAYS_ON>;
+			resets = <&cpg 502>;
+			#dma-cells = <1>;
+			dma-channels = <13>;
+		};
+
 		usb_dmac0: dma-controller@e65a0000 {
 			compatible = "renesas,r8a7745-usb-dmac",
 				     "renesas,usb-dmac";
-- 
1.9.1

[PATCH 3/9] ARM: dts: r8a7745: Add sound support

[Biju Das]

Define the generic r8a7745(RZ/G1E) part of the sound device node.

This patch is based on the r8a7794 sound work by Sergei Shtylyov.

Signed-off-by: Biju Das <biju.das-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org>
Reviewed-by: Fabrizio Castro <fabrizio.castro-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org>
---
 arch/arm/boot/dts/r8a7745.dtsi | 180 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 180 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7745.dtsi b/arch/arm/boot/dts/r8a7745.dtsi
index d9488a1..835a282 100644
--- a/arch/arm/boot/dts/r8a7745.dtsi
+++ b/arch/arm/boot/dts/r8a7745.dtsi
@@ -1293,6 +1293,186 @@
 			resets = <&cpg 915>;
 			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>;
+			 */
+			compatible = "renesas,rcar_sound-r8a7745",
+				     "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 = <&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>,
+				 <&cpg CPG_MOD 1025>, <&cpg CPG_MOD 1026>,
+				 <&cpg CPG_MOD 1027>, <&cpg CPG_MOD 1028>,
+				 <&cpg CPG_MOD 1029>, <&cpg CPG_MOD 1030>,
+				 <&cpg CPG_MOD 1021>, <&cpg CPG_MOD 1020>,
+				 <&cpg CPG_MOD 1021>, <&cpg CPG_MOD 1020>,
+				 <&cpg CPG_MOD 1019>, <&cpg CPG_MOD 1018>,
+				 <&audio_clka>, <&audio_clkb>, <&audio_clkc>,
+				 <&cpg CPG_CORE R8A7745_CLK_M2>;
+			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.6", "src.5", "src.4", "src.3",
+				      "src.2", "src.1",
+				      "ctu.0", "ctu.1",
+				      "mix.0", "mix.1",
+				      "dvc.0", "dvc.1",
+				      "clk_a", "clk_b", "clk_c", "clk_i";
+			power-domains = <&sysc R8A7745_PD_ALWAYS_ON>;
+			resets = <&cpg 1005>,
+				 <&cpg 1006>, <&cpg 1007>, <&cpg 1008>,
+				 <&cpg 1009>, <&cpg 1010>, <&cpg 1011>,
+				 <&cpg 1012>, <&cpg 1013>, <&cpg 1014>,
+				 <&cpg 1015>;
+			reset-names = "ssi-all",
+				      "ssi.9", "ssi.8", "ssi.7", "ssi.6",
+				      "ssi.5", "ssi.4", "ssi.3", "ssi.2",
+				      "ssi.1", "ssi.0";
+
+			status = "disabled";
+
+			rcar_sound,dvc {
+				dvc0: dvc-0 {
+					dmas = <&audma0 0xbc>;
+					dma-names = "tx";
+				};
+				dvc1: dvc-1 {
+					dmas = <&audma0 0xbe>;
+					dma-names = "tx";
+				};
+			};
+
+			rcar_sound,mix {
+				mix0: mix-0 { };
+				mix1: mix-1 { };
+			};
+
+			rcar_sound,ctu {
+				ctu00: ctu-0 { };
+				ctu01: ctu-1 { };
+				ctu02: ctu-2 { };
+				ctu03: ctu-3 { };
+				ctu10: ctu-4 { };
+				ctu11: ctu-5 { };
+				ctu12: ctu-6 { };
+				ctu13: ctu-7 { };
+			};
+
+			rcar_sound,src {
+				src-0 {
+					status = "disabled";
+				};
+				src1: src-1 {
+					interrupts = <GIC_SPI 353 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x87>, <&audma0 0x9c>;
+					dma-names = "rx", "tx";
+				};
+				src2: src-2 {
+					interrupts = <GIC_SPI 354 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x89>, <&audma0 0x9e>;
+					dma-names = "rx", "tx";
+				};
+				src3: src-3 {
+					interrupts = <GIC_SPI 355 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x8b>, <&audma0 0xa0>;
+					dma-names = "rx", "tx";
+				};
+				src4: src-4 {
+					interrupts = <GIC_SPI 356 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x8d>, <&audma0 0xb0>;
+					dma-names = "rx", "tx";
+				};
+				src5: src-5 {
+					interrupts = <GIC_SPI 357 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x8f>, <&audma0 0xb2>;
+					dma-names = "rx", "tx";
+				};
+				src6: src-6 {
+					interrupts = <GIC_SPI 358 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x91>, <&audma0 0xb4>;
+					dma-names = "rx", "tx";
+				};
+			};
+
+			rcar_sound,ssi {
+				ssi0: ssi-0 {
+					interrupts = <GIC_SPI 370 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x01>, <&audma0 0x02>,
+					       <&audma0 0x15>, <&audma0 0x16>;
+					dma-names = "rx", "tx", "rxu", "txu";
+				};
+				ssi1: ssi-1 {
+					interrupts = <GIC_SPI 371 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x03>, <&audma0 0x04>,
+					       <&audma0 0x49>, <&audma0 0x4a>;
+					dma-names = "rx", "tx", "rxu", "txu";
+				};
+				ssi2: ssi-2 {
+					interrupts = <GIC_SPI 372 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x05>, <&audma0 0x06>,
+					       <&audma0 0x63>, <&audma0 0x64>;
+					dma-names = "rx", "tx", "rxu", "txu";
+				};
+				ssi3: ssi-3 {
+					interrupts = <GIC_SPI 373 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x07>, <&audma0 0x08>,
+					       <&audma0 0x6f>, <&audma0 0x70>;
+					dma-names = "rx", "tx", "rxu", "txu";
+				};
+				ssi4: ssi-4 {
+					interrupts = <GIC_SPI 374 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x09>, <&audma0 0x0a>,
+					       <&audma0 0x71>, <&audma0 0x72>;
+					dma-names = "rx", "tx", "rxu", "txu";
+				};
+				ssi5: ssi-5 {
+					interrupts = <GIC_SPI 375 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x0b>, <&audma0 0x0c>,
+					       <&audma0 0x73>, <&audma0 0x74>;
+					dma-names = "rx", "tx", "rxu", "txu";
+				};
+				ssi6: ssi-6 {
+					interrupts = <GIC_SPI 376 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x0d>, <&audma0 0x0e>,
+					       <&audma0 0x75>, <&audma0 0x76>;
+					dma-names = "rx", "tx", "rxu", "txu";
+				};
+				ssi7: ssi-7 {
+					interrupts = <GIC_SPI 377 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x0f>, <&audma0 0x10>,
+					       <&audma0 0x79>, <&audma0 0x7a>;
+					dma-names = "rx", "tx", "rxu", "txu";
+				};
+				ssi8: ssi-8 {
+					interrupts = <GIC_SPI 378 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x11>, <&audma0 0x12>,
+					       <&audma0 0x7b>, <&audma0 0x7c>;
+					dma-names = "rx", "tx", "rxu", "txu";
+				};
+				ssi9: ssi-9 {
+					interrupts = <GIC_SPI 379 IRQ_TYPE_LEVEL_HIGH>;
+					dmas = <&audma0 0x13>, <&audma0 0x14>,
+					       <&audma0 0x7d>, <&audma0 0x7e>;
+					dma-names = "rx", "tx", "rxu", "txu";
+				};
+			};
+		};
 	};
 
 	timer {
-- 
1.9.1

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[PATCH 4/9] ARM: dts: iwg22d-sodimm: Enable SGTL5000 audio codec

[Biju Das]

This patch enables SGTL5000 audio codec on the carrier board.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
---
 arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
index 39ce7e7..5d4b7d2 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
+++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
@@ -26,6 +26,12 @@
 		stdout-path = "serial3:115200n8";
 	};
 
+	audio_clock: audio_clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <26000000>;
+	};
+
 	vccq_sdhi0: regulator-vccq-sdhi0 {
 		compatible = "regulator-gpio";
 
@@ -80,6 +86,23 @@
 	pinctrl-names = "default";
 };
 
+&i2c5 {
+	pinctrl-0 = <&i2c5_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+	clock-frequency = <400000>;
+
+	sgtl5000: codec@a {
+		compatible = "fsl,sgtl5000";
+		#sound-dai-cells = <0>;
+		reg = <0x0a>;
+		clocks = <&audio_clock>;
+		VDDA-supply = <&reg_3p3v>;
+		VDDIO-supply = <&reg_3p3v>;
+	};
+};
+
 &pci1 {
 	status = "okay";
 	pinctrl-0 = <&usb1_pins>;
@@ -102,6 +125,11 @@
 		function = "hscif1";
 	};
 
+	i2c5_pins: i2c5 {
+		groups = "i2c5_b";
+		function = "i2c5";
+	};
+
 	scif4_pins: scif4 {
 		groups = "scif4_data_b";
 		function = "scif4";
-- 
1.9.1

[PATCH 5/9] ARM: dts: iwg22d-sodimm: Sound PIO support

[Biju Das]

Enable sound PIO support on carrier board.

Signed-off-by: Biju Das <biju.das-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org>
Reviewed-by: Fabrizio Castro <fabrizio.castro-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org>
---
 arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts | 46 +++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
index 5d4b7d2..b6521da 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
+++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
@@ -32,6 +32,21 @@
 		clock-frequency = <26000000>;
 	};
 
+	rsnd_sgtl5000: sound {
+		compatible = "simple-audio-card";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,bitclock-master = <&sndcodec>;
+		simple-audio-card,frame-master = <&sndcodec>;
+
+		sndcpu: simple-audio-card,cpu {
+			sound-dai = <&rcar_sound>;
+		};
+
+		sndcodec: simple-audio-card,codec {
+			sound-dai = <&sgtl5000>;
+		};
+	};
+
 	vccq_sdhi0: regulator-vccq-sdhi0 {
 		compatible = "regulator-gpio";
 
@@ -141,6 +156,11 @@
 		power-source = <3300>;
 	};
 
+	sound_pins: sound {
+		groups = "ssi34_ctrl", "ssi3_data", "ssi4_data";
+		function = "ssi";
+	};
+
 	usb0_pins: usb0 {
 		groups = "usb0";
 		function = "usb0";
@@ -152,6 +172,23 @@
 	};
 };
 
+&rcar_sound {
+	pinctrl-0 = <&sound_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	/* Single DAI */
+
+	#sound-dai-cells = <0>;
+
+	rcar_sound,dai {
+		dai0 {
+			playback = <&ssi3>;
+			capture = <&ssi4>;
+		};
+	};
+};
+
 &scif4 {
 	pinctrl-0 = <&scif4_pins>;
 	pinctrl-names = "default";
@@ -169,6 +206,15 @@
 	status = "okay";
 };
 
+&ssi3 {
+	pio-transfer;
+};
+
+&ssi4 {
+	pio-transfer;
+	shared-pin;
+};
+
 &usbphy {
 	status = "okay";
 };
-- 
1.9.1

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[PATCH 6/9] ARM: dts: iwg22d-sodimm: Sound DMA support on DTS

[Biju Das]

DMA transfer to/from SSI

     DMA
[MEM] -> [SSI]

     DMA
[MEM] <- [SSI]

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
---
 arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
index b6521da..a9ba46d 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
+++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
@@ -207,11 +207,11 @@
 };
 
 &ssi3 {
-	pio-transfer;
+	no-busif;
 };
 
 &ssi4 {
-	pio-transfer;
+	no-busif;
 	shared-pin;
 };
 
-- 
1.9.1

[PATCH 7/9] ARM: dts: iwg22d-sodimm: Sound DMA support via BUSIF on DTS

[Biju Das]

DMA transfer to/from SSIU

     DMA
[MEM] -> [SSIU] -> [SSI]

     DMA
[MEM] <- [SSIU] <- [SSI]

Signed-off-by: Biju Das <biju.das-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org>
Reviewed-by: Fabrizio Castro <fabrizio.castro-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org>
---
 arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
index a9ba46d..0f880c1 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
+++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
@@ -206,12 +206,7 @@
 	status = "okay";
 };
 
-&ssi3 {
-	no-busif;
-};
-
 &ssi4 {
-	no-busif;
 	shared-pin;
 };
 
-- 
1.9.1

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[PATCH 8/9] ARM: dts: iwg22d-sodimm: Sound DMA support via SRC on DTS

[Biju Das]

DMA transfer to/from SRC

     DMA      DMApp
[MEM] -> [SRC] -> [SSIU] -> [SSI]

     DMA      DMApp
[MEM] <- [SRC] <- [SSIU] <- [SSI]

Current sound driver is supporting SSI/SRC random connection.
So, this patch is trying
SSI3 -> SRC3
SSI4 <- SRC4

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
---
 arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
index 0f880c1..2cac57c 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
+++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
@@ -183,8 +183,8 @@
 
 	rcar_sound,dai {
 		dai0 {
-			playback = <&ssi3>;
-			capture = <&ssi4>;
+			playback = <&ssi3 &src3>;
+			capture = <&ssi4 &src4>;
 		};
 	};
 };
-- 
1.9.1

[PATCH 9/9] ARM: dts: iwg22d-sodimm: Sound DMA support via DVC on DTS

[Biju Das]

DMA transfer uses DVC

     DMA               DMApp
[MEM] -> [SRC] -> [DVC] -> [SSIU] -> [SSI]

     DMA               DMApp
[MEM] <- [DVC] <- [SRC] <- [SSIU] <- [SSI]

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
---
 arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts | 27 +++++++++++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
index 2cac57c..a4058f4 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
+++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
@@ -8,6 +8,29 @@
  * kind, whether express or implied.
  */
 
+/*
+ * SSI-SGTL5000
+ *
+ * This command is required when Playback/Capture
+ *
+ *      amixer set "DVC Out" 100%
+ *      amixer set "DVC In" 100%
+ *
+ * You can use Mute
+ *
+ *      amixer set "DVC Out Mute" on
+ *      amixer set "DVC In Mute" on
+ *
+ * You can use Volume Ramp
+ *
+ *      amixer set "DVC Out Ramp Up Rate"   "0.125 dB/64 steps"
+ *      amixer set "DVC Out Ramp Down Rate" "0.125 dB/512 steps"
+ *      amixer set "DVC Out Ramp" on
+ *      aplay xxx.wav &
+ *      amixer set "DVC Out"  80%  // Volume Down
+ *      amixer set "DVC Out" 100%  // Volume Up
+ */
+
 /dts-v1/;
 #include "r8a7745-iwg22m.dtsi"
 
@@ -183,8 +206,8 @@
 
 	rcar_sound,dai {
 		dai0 {
-			playback = <&ssi3 &src3>;
-			capture = <&ssi4 &src4>;
+			playback = <&ssi3 &src3 &dvc0>;
+			capture = <&ssi4 &src4 &dvc1>;
 		};
 	};
 };
-- 
1.9.1

Re: [PATCH 1/9] ARM: dts: r8a7745: Add audio clocks

[Geert Uytterhoeven]

On Wed, Dec 20, 2017 at 9:01 PM, Biju Das <biju.das-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org> wrote:
> Describe the external audio clocks required by the sound driver.
> Boards that provide audio clocks need to override the clock frequencies.
>
> Signed-off-by: Biju Das <biju.das-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org>
> Reviewed-by: Fabrizio Castro <fabrizio.castro-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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Re: [PATCH 2/9] ARM: dts: r8a7745: Add audio DMAC support

[Geert Uytterhoeven]

On Wed, Dec 20, 2017 at 9:01 PM, Biju Das <biju.das-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org> wrote:
> Instantiate the audio DMA controller on the r8a7745 device tree.
>
> Signed-off-by: Biju Das <biju.das-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org>
> Reviewed-by: Fabrizio Castro <fabrizio.castro-kTT6dE0pTRh9uiUsa/gSgQ@public.gmane.org>

Reviewed-by: Geert Uytterhoeven <geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert-Td1EMuHUCqxL1ZNQvxDV9g@public.gmane.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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Re: [PATCH 4/9] ARM: dts: iwg22d-sodimm: Enable SGTL5000 audio codec

[Geert Uytterhoeven]

On Wed, Dec 20, 2017 at 9:02 PM, Biju Das <biju.das@bp.renesas.com> wrote:
> This patch enables SGTL5000 audio codec on the carrier board.
>
> Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 3/9] ARM: dts: r8a7745: Add sound support

[Geert Uytterhoeven]

On Wed, Dec 20, 2017 at 9:01 PM, Biju Das <biju.das@bp.renesas.com> wrote:
> Define the generic r8a7745(RZ/G1E) part of the sound device node.
>
> This patch is based on the r8a7794 sound work by Sergei Shtylyov.
>
> Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

Re: [PATCH 8/9] ARM: dts: iwg22d-sodimm: Sound DMA support via SRC on DTS

[Simon Horman]

On Wed, Dec 20, 2017 at 08:02:04PM +0000, Biju Das wrote:
> DMA transfer to/from SRC
> 
>      DMA      DMApp
> [MEM] -> [SRC] -> [SSIU] -> [SSI]
> 
>      DMA      DMApp
> [MEM] <- [SRC] <- [SSIU] <- [SSI]
> 
> Current sound driver is supporting SSI/SRC random connection.
> So, this patch is trying
> SSI3 -> SRC3
> SSI4 <- SRC4

I am curious to know why the selection here differs from that
present in iwg20d-q7-common. Is it an arbitrary decision?

Likewise for other uses of ssi*, src* and dvc* in this patchset.

> 
> Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
> ---
>  arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
> index 0f880c1..2cac57c 100644
> --- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
> +++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
> @@ -183,8 +183,8 @@
>  
>  	rcar_sound,dai {
>  		dai0 {
> -			playback = <&ssi3>;
> -			capture = <&ssi4>;
> +			playback = <&ssi3 &src3>;
> +			capture = <&ssi4 &src4>;
>  		};
>  	};
>  };
> -- 
> 1.9.1
> 

RE: [PATCH 8/9] ARM: dts: iwg22d-sodimm: Sound DMA support via SRC on DTS

[Biju Das]

Hi Simon,

> -----Original Message-----
> From: Simon Horman [mailto:horms@verge.net.au]
> Sent: 21 December 2017 10:45
> To: Biju Das <biju.das@bp.renesas.com>
> Cc: Rob Herring <robh+dt@kernel.org>; Mark Rutland
> <mark.rutland@arm.com>; Magnus Damm <magnus.damm@gmail.com>;
> Chris Paterson <Chris.Paterson2@renesas.com>; Fabrizio Castro
> <fabrizio.castro@bp.renesas.com>; devicetree@vger.kernel.org; linux-renesas-
> soc@vger.kernel.org
> Subject: Re: [PATCH 8/9] ARM: dts: iwg22d-sodimm: Sound DMA support via
> SRC on DTS
>
> On Wed, Dec 20, 2017 at 08:02:04PM +0000, Biju Das wrote:
> > DMA transfer to/from SRC
> >
> >      DMA      DMApp
> > [MEM] -> [SRC] -> [SSIU] -> [SSI]
> >
> >      DMA      DMApp
> > [MEM] <- [SRC] <- [SSIU] <- [SSI]
> >
> > Current sound driver is supporting SSI/SRC random connection.
> > So, this patch is trying
> > SSI3 -> SRC3
> > SSI4 <- SRC4
>
> I am curious to know why the selection here differs from that present in
> iwg20d-q7-common. Is it an arbitrary decision?
>
> Likewise for other uses of ssi*, src* and dvc* in this patchset.

For ssi*,  on this board, SSI3/4 interface is connected to Audio In/Out.

For src*,  the original bsp from iwave is using src3/src4, also it is arbitrary as per the data sheet.

For dvc*,  Again it is arbitrary as per the data sheet.

> >
> > Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> > Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
> > ---
> >  arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
> > b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
> > index 0f880c1..2cac57c 100644
> > --- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
> > +++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
> > @@ -183,8 +183,8 @@
> >
> >  rcar_sound,dai {
> >  dai0 {
> > -playback = <&ssi3>;
> > -capture = <&ssi4>;
> > +playback = <&ssi3 &src3>;
> > +capture = <&ssi4 &src4>;
> >  };
> >  };
> >  };
> > --
> > 1.9.1
> >


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Re: [PATCH 8/9] ARM: dts: iwg22d-sodimm: Sound DMA support via SRC on DTS

[Simon Horman]

On Thu, Dec 21, 2017 at 11:01:28AM +0000, Biju Das wrote:
> Hi Simon,
> 
> > -----Original Message-----
> > From: Simon Horman [mailto:horms@verge.net.au]
> > Sent: 21 December 2017 10:45
> > To: Biju Das <biju.das@bp.renesas.com>
> > Cc: Rob Herring <robh+dt@kernel.org>; Mark Rutland
> > <mark.rutland@arm.com>; Magnus Damm <magnus.damm@gmail.com>;
> > Chris Paterson <Chris.Paterson2@renesas.com>; Fabrizio Castro
> > <fabrizio.castro@bp.renesas.com>; devicetree@vger.kernel.org; linux-renesas-
> > soc@vger.kernel.org
> > Subject: Re: [PATCH 8/9] ARM: dts: iwg22d-sodimm: Sound DMA support via
> > SRC on DTS
> >
> > On Wed, Dec 20, 2017 at 08:02:04PM +0000, Biju Das wrote:
> > > DMA transfer to/from SRC
> > >
> > >      DMA      DMApp
> > > [MEM] -> [SRC] -> [SSIU] -> [SSI]
> > >
> > >      DMA      DMApp
> > > [MEM] <- [SRC] <- [SSIU] <- [SSI]
> > >
> > > Current sound driver is supporting SSI/SRC random connection.
> > > So, this patch is trying
> > > SSI3 -> SRC3
> > > SSI4 <- SRC4
> >
> > I am curious to know why the selection here differs from that present in
> > iwg20d-q7-common. Is it an arbitrary decision?
> >
> > Likewise for other uses of ssi*, src* and dvc* in this patchset.
> 
> For ssi*,  on this board, SSI3/4 interface is connected to Audio In/Out.
> 
> For src*,  the original bsp from iwave is using src3/src4, also it is arbitrary as per the data sheet.
> 
> For dvc*,  Again it is arbitrary as per the data sheet.

Thanks, understood.

Re: [PATCH 0/9] Add sound support

[Simon Horman]

On Wed, Dec 20, 2017 at 08:01:56PM +0000, Biju Das wrote:
> This series aims to add sound support for iWave RZ/G1E board.
> 
> Biju Das (9):
>   ARM: dts: r8a7745: Add audio clocks
>   ARM: dts: r8a7745: Add audio DMAC support
>   ARM: dts: r8a7745: Add sound support
>   ARM: dts: iwg22d-sodimm: Enable SGTL5000 audio codec
>   ARM: dts: iwg22d-sodimm: Sound PIO support
>   ARM: dts: iwg22d-sodimm: Sound DMA support on DTS
>   ARM: dts: iwg22d-sodimm: Sound DMA support via BUSIF on DTS
>   ARM: dts: iwg22d-sodimm: Sound DMA support via SRC on DTS
>   ARM: dts: iwg22d-sodimm: Sound DMA support via DVC on DTS
> 
>  arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts |  92 +++++++++++
>  arch/arm/boot/dts/r8a7745.dtsi              | 232 ++++++++++++++++++++++++++++

Thanks, applied.