[PATCH 0/3] iW-RainboW-G21D-Qseven enable HSUSB, USB2.0, XHCI and Sound

[PATCH 0/3] iW-RainboW-G21D-Qseven enable HSUSB, USB2.0, XHCI and Sound

[Lad Prabhakar]

Hi All,

This patch series enables HSUSB, USB2.0 host mode, XHCI and sound support
on iW-RainboW-G21D-Qseven develpoment board.

Cheers,
Prabhakar

Lad Prabhakar (3):
  ARM: dts: r8a7742-iwg21d-q7: Enable HSUSB, USB2.0 and XHCI
  ARM: dts: r8a7742-iwg21d-q7: Enable SGTL5000 audio codec
  ARM: dts: r8a7742-iwg21d-q7: Sound DMA support via DVC on DTS

 arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 151 ++++++++++++++++++++++++++++++++
 1 file changed, 151 insertions(+)

-- 
2.7.4

[PATCH 1/3] ARM: dts: r8a7742-iwg21d-q7: Enable HSUSB, USB2.0 and XHCI

[Lad Prabhakar]

Enable support for HSUB, USB2.0 and xhci on iWave RZ/G1H carrier board.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
---
 arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 51 +++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
index f23c2ba..f62485a 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
@@ -61,6 +61,32 @@
 	};
 };
 
+&hsusb {
+	pinctrl-0 = <&usb0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&pci0 {
+	pinctrl-0 = <&usb0_pins>;
+	pinctrl-names = "default";
+	/* Disable hsusb to enable USB2.0 host mode support */
+	/* status = "okay"; */
+};
+
+&pci1 {
+	pinctrl-0 = <&usb1_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&pci2 {
+	pinctrl-0 = <&usb2_pins>;
+	pinctrl-names = "default";
+	/* Disable xhci to enable USB2.0 host mode support */
+	/* status = "okay"; */
+};
+
 &pfc {
 	avb_pins: avb {
 		groups = "avb_mdio", "avb_gmii";
@@ -88,6 +114,21 @@
 		function = "sdhi2";
 		power-source = <1800>;
 	};
+
+	usb0_pins: usb0 {
+		groups = "usb0";
+		function = "usb0";
+	};
+
+	usb1_pins: usb1 {
+		groups = "usb1";
+		function = "usb1";
+	};
+
+	usb2_pins: usb2 {
+		groups = "usb2";
+		function = "usb2";
+	};
 };
 
 &rwdt {
@@ -122,3 +163,13 @@
 	sd-uhs-sdr50;
 	status = "okay";
 };
+
+&usbphy {
+	status = "okay";
+};
+
+&xhci {
+	pinctrl-0 = <&usb2_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
-- 
2.7.4

[PATCH 2/3] ARM: dts: r8a7742-iwg21d-q7: Enable SGTL5000 audio codec

[Lad Prabhakar]

This patch enables SGTL5000 audio codec on the carrier board.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
---
 arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 37 +++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
index f62485a..d6154fd 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
@@ -23,6 +23,20 @@
 		stdout-path = "serial2:115200n8";
 	};
 
+	audio_clock: audio_clock {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <26000000>;
+	};
+
+	reg_1p5v: 1p5v {
+		compatible = "regulator-fixed";
+		regulator-name = "1P5V";
+		regulator-min-microvolt = <1500000>;
+		regulator-max-microvolt = <1500000>;
+		regulator-always-on;
+	};
+
 	vcc_sdhi2: regulator-vcc-sdhi2 {
 		compatible = "regulator-fixed";
 
@@ -67,6 +81,24 @@
 	status = "okay";
 };
 
+&i2c2 {
+	pinctrl-0 = <&i2c2_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>;
+		VDDD-supply = <&reg_1p5v>;
+	};
+};
+
 &pci0 {
 	pinctrl-0 = <&usb0_pins>;
 	pinctrl-names = "default";
@@ -93,6 +125,11 @@
 		function = "avb";
 	};
 
+	i2c2_pins: i2c2 {
+		groups = "i2c2_b";
+		function = "i2c2";
+	};
+
 	scifa2_pins: scifa2 {
 		groups = "scifa2_data_c";
 		function = "scifa2";
-- 
2.7.4

[PATCH 3/3] ARM: dts: r8a7742-iwg21d-q7: Sound DMA support via DVC on DTS

[Lad Prabhakar]

Enable sound with DMA support on carrier board.

DMA transfer uses DVC

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

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

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
---
 arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 63 +++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
index d6154fd..704fe22 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
@@ -5,6 +5,29 @@
  * Copyright (C) 2020 Renesas Electronics Corp.
  */
 
+/*
+ * 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 "r8a7742-iwg21m.dtsi"
 
@@ -37,6 +60,21 @@
 		regulator-always-on;
 	};
 
+	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>;
+		};
+	};
+
 	vcc_sdhi2: regulator-vcc-sdhi2 {
 		compatible = "regulator-fixed";
 
@@ -152,6 +190,11 @@
 		power-source = <1800>;
 	};
 
+	sound_pins: sound {
+		groups = "ssi34_ctrl", "ssi3_data", "ssi4_data";
+		function = "ssi";
+	};
+
 	usb0_pins: usb0 {
 		groups = "usb0";
 		function = "usb0";
@@ -168,6 +211,22 @@
 	};
 };
 
+&rcar_sound {
+	pinctrl-0 = <&sound_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	/* Single DAI */
+	#sound-dai-cells = <0>;
+
+	rcar_sound,dai {
+		dai0 {
+			playback = <&ssi4 &src4 &dvc1>;
+			capture = <&ssi3 &src3 &dvc0>;
+		};
+	};
+};
+
 &rwdt {
 	timeout-sec = <60>;
 	status = "okay";
@@ -201,6 +260,10 @@
 	status = "okay";
 };
 
+&ssi4 {
+	shared-pin;
+};
+
 &usbphy {
 	status = "okay";
 };
-- 
2.7.4

Re: [PATCH 1/3] ARM: dts: r8a7742-iwg21d-q7: Enable HSUSB, USB2.0 and XHCI

[Sergei Shtylyov]

Hello!

On 27.05.2020 23:23, Lad Prabhakar wrote:

> Enable support for HSUB, USB2.0 and xhci on iWave RZ/G1H carrier board.

    HSUSB, xHCI.

> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
[...]

MBR, Sergei

Re: [PATCH 1/3] ARM: dts: r8a7742-iwg21d-q7: Enable HSUSB, USB2.0 and XHCI

[Geert Uytterhoeven]

Hi Prabhakar,

On Wed, May 27, 2020 at 10:24 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@bp.renesas.com> wrote:
> Enable support for HSUB, USB2.0 and xhci on iWave RZ/G1H carrier board.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>

Thanks for your patch!

> --- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
> +++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts

> @@ -88,6 +114,21 @@
>                 function = "sdhi2";
>                 power-source = <1800>;
>         };
> +
> +       usb0_pins: usb0 {
> +               groups = "usb0";
> +               function = "usb0";
> +       };
> +
> +       usb1_pins: usb1 {
> +               groups = "usb1";
> +               function = "usb1";
> +       };
> +
> +       usb2_pins: usb2 {
> +               groups = "usb2";
> +               function = "usb2";
> +       };
>  };

Looking at the schematics[*], I'm having a hard time making some sense
out of this.

GP5_21 (USB1_OVC) seems to be GPIO_AVB_SEL, and
GP5_22 (USB2_PWEN) is GPIO_SD1_LED?

I must be missing something?

[*] *RZ_G1H_SOM.pdf, *RZ_G1M_G1N_G1H_Q7 carrierBoard.pdf

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 2/3] ARM: dts: r8a7742-iwg21d-q7: Enable SGTL5000 audio codec

[Geert Uytterhoeven]

Hi Magnus,

On Wed, May 27, 2020 at 10:24 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@bp.renesas.com> wrote:
> This patch enables SGTL5000 audio codec on the carrier board.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v5.9.

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 2/3] ARM: dts: r8a7742-iwg21d-q7: Enable SGTL5000 audio codec

[Geert Uytterhoeven]

On Fri, May 29, 2020 at 4:35 PM Geert Uytterhoeven <geert@linux-m68k.org> wrote:
> Hi Magnus,

Whoops, too much gmail-auto-guessing-completion.
Sorry for that.

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 3/3] ARM: dts: r8a7742-iwg21d-q7: Sound DMA support via DVC on DTS

[Geert Uytterhoeven]

On Wed, May 27, 2020 at 10:24 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@bp.renesas.com> wrote:
> Enable sound with DMA support on carrier board.
>
> DMA transfer uses DVC
>
>      DMA               DMApp
> [MEM] -> [SRC] -> [DVC] -> [SSIU] -> [SSI]
>
>      DMA               DMApp
> [MEM] <- [DVC] <- [SRC] <- [SSIU] <- [SSI]
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>

To the best of my (limited) auto knowledge...
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v5.9.

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