[PATCH v2 0/2] Enable USB support on iW-RainboW-G21D-Q7 board

[PATCH v2 0/2] Enable USB support on iW-RainboW-G21D-Q7 board

[Lad Prabhakar]

Hi All,

This series enables support for following peripherals in iW-RainboW-G21D-Q7
development platform:
* HSUSB
* USB2.0
* xHCI

Changes for v2:
* Added USB1 pwen pin and group
* Fixed pinmux pins for usb1

[v1] https://lkml.org/lkml/2020/5/27/1478
 * Rest of the patches from v1 have been accepted

Cheers,
Prabhakar

Lad Prabhakar (2):
  pinctrl: sh-pfc: r8a7790: Add USB1 PWEN pin and group
  ARM: dts: r8a7742-iwg21d-q7: Enable HSUSB, USB2.0 and xHCI

 arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 42 +++++++++++++++++++++++++
 drivers/pinctrl/sh-pfc/pfc-r8a7790.c    | 11 ++++++-
 2 files changed, 52 insertions(+), 1 deletion(-)

-- 
2.17.1

[PATCH v2 1/2] pinctrl: sh-pfc: r8a7790: Add USB1 PWEN pin and group

[Lad Prabhakar]

Add USB1 PWEN pin and group for USB1 interface.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
---
 drivers/pinctrl/sh-pfc/pfc-r8a7790.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7790.c b/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
index f524401fec5f..39ba1e7cc1c3 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7790.c
@@ -3611,6 +3611,13 @@ static const unsigned int usb1_pins[] = {
 static const unsigned int usb1_mux[] = {
 	USB1_PWEN_MARK, USB1_OVC_MARK,
 };
+static const unsigned int usb1_pwen_pins[] = {
+	/* PWEN */
+	RCAR_GP_PIN(5, 20),
+};
+static const unsigned int usb1_pwen_mux[] = {
+	USB1_PWEN_MARK,
+};
 /* - USB2 ------------------------------------------------------------------- */
 static const unsigned int usb2_pins[] = {
 	/* PWEN, OVC */
@@ -3939,7 +3946,7 @@ static const unsigned int vin3_clk_mux[] = {
 };
 
 static const struct {
-	struct sh_pfc_pin_group common[289];
+	struct sh_pfc_pin_group common[290];
 	struct sh_pfc_pin_group automotive[1];
 } pinmux_groups = {
 	.common = {
@@ -4193,6 +4200,7 @@ static const struct {
 		SH_PFC_PIN_GROUP(usb0),
 		SH_PFC_PIN_GROUP(usb0_ovc_vbus),
 		SH_PFC_PIN_GROUP(usb1),
+		SH_PFC_PIN_GROUP(usb1_pwen),
 		SH_PFC_PIN_GROUP(usb2),
 		VIN_DATA_PIN_GROUP(vin0_data, 24),
 		VIN_DATA_PIN_GROUP(vin0_data, 20),
@@ -4640,6 +4648,7 @@ static const char * const usb0_groups[] = {
 
 static const char * const usb1_groups[] = {
 	"usb1",
+	"usb1_pwen",
 };
 
 static const char * const usb2_groups[] = {
-- 
2.17.1

Re: [PATCH v2 1/2] pinctrl: sh-pfc: r8a7790: Add USB1 PWEN pin and group

[Geert Uytterhoeven]

On Fri, Jul 17, 2020 at 7:00 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@bp.renesas.com> wrote:
>
> Add USB1 PWEN pin and group for USB1 interface.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in sh-pfc-for-v5.10.

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

[PATCH v2 2/2] ARM: dts: r8a7742-iwg21d-q7: Enable HSUSB, USB2.0 and xHCI

[Lad Prabhakar]

Enable support for HSUSB, 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>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
---
 arch/arm/boot/dts/r8a7742-iwg21d-q7.dts | 42 +++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
index e90aaf1c94f0..f4910e709b87 100644
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
@@ -131,6 +131,30 @@
 	};
 };
 
+&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 on J2 */
+	/* status = "okay"; */
+};
+
+&pci1 {
+	pinctrl-0 = <&usb1_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&pci2 {
+	/* Disable xhci to enable USB2.0 host mode support on J23 bottom port */
+	/* status = "okay"; */
+};
+
 &pfc {
 	avb_pins: avb {
 		groups = "avb_mdio", "avb_gmii";
@@ -168,6 +192,16 @@
 		groups = "ssi34_ctrl", "ssi3_data", "ssi4_data";
 		function = "ssi";
 	};
+
+	usb0_pins: usb0 {
+		groups = "usb0";
+		function = "usb0";
+	};
+
+	usb1_pins: usb1 {
+		groups = "usb1_pwen";
+		function = "usb1";
+	};
 };
 
 &rcar_sound {
@@ -222,3 +256,11 @@
 &ssi4 {
 	shared-pin;
 };
+
+&usbphy {
+	status = "okay";
+};
+
+&xhci {
+	status = "okay";
+};
-- 
2.17.1

Re: [PATCH v2 2/2] ARM: dts: r8a7742-iwg21d-q7: Enable HSUSB, USB2.0 and xHCI

[Geert Uytterhoeven]

On Fri, Jul 17, 2020 at 7:00 PM Lad Prabhakar
<prabhakar.mahadev-lad.rj@bp.renesas.com> wrote:
> Enable support for HSUSB, 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>
> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v5.10.

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