[PATCH v2 0/2] ARM: dts: renesas: r9a06g032-rzn1d400: enable USB host

[PATCH v2 0/2] ARM: dts: renesas: r9a06g032-rzn1d400: enable USB host

[Wolfram Sang]

After the previous discussion, here is my second take how to enable the
USB host port on the above board. Please let me know what you think.

Still works with the Rockbox player.

Changes since v1:
 * rebased to linux-next (USB device patch already accepted)
 * moved pinmux to a separate node for CPLD on the demo board

Wolfram Sang (2):
  ARM: dts: renesas: r9a06g032-rzn1d400-db: add pinmux for the CPLD
  ARM: dts: renesas: r9a06g032-rzn1d400-eb: enable USB host port

 arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts | 10 ++++++++++
 arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-eb.dts |  4 ++++
 2 files changed, 14 insertions(+)

-- 
2.47.2

[PATCH v2 1/2] ARM: dts: renesas: r9a06g032-rzn1d400-db: add pinmux for the CPLD

[Wolfram Sang]

The CPLD has no dedicated driver, so apply the pinmux settings with the
pinmux driver instead.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
 arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts b/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts
index 328cb35547d7..92b390f7f0e7 100644
--- a/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts
+++ b/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts
@@ -170,6 +170,9 @@ &mii_conv5 {
 };
 
 &pinctrl {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pins_cpld>;
+
 	pins_can0: pins_can0 {
 		pinmux = <RZN1_PINMUX(162, RZN1_FUNC_CAN)>,	/* CAN0_TXD */
 			 <RZN1_PINMUX(163, RZN1_FUNC_CAN)>;	/* CAN0_RXD */
@@ -226,6 +229,13 @@ pins_mdio1: pins_mdio1 {
 		pinmux = <RZN1_PINMUX(152, RZN1_FUNC_MDIO1_SWITCH)>,
 			 <RZN1_PINMUX(153, RZN1_FUNC_MDIO1_SWITCH)>;
 	};
+
+	pins_cpld: pins-cpld {
+		pinmux = <RZN1_PINMUX(119, RZN1_FUNC_USB)>,
+			 <RZN1_PINMUX(120, RZN1_FUNC_USB)>,
+			 <RZN1_PINMUX(121, RZN1_FUNC_USB)>,
+			 <RZN1_PINMUX(122, RZN1_FUNC_USB)>;
+	};
 };
 
 &rtc0 {
-- 
2.47.2

[PATCH v2 2/2] ARM: dts: renesas: r9a06g032-rzn1d400-eb: enable USB host port

[Wolfram Sang]

Can be used via the USB connector J20.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
---
 arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-eb.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-eb.dts b/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-eb.dts
index b3de325fb47f..fb74dc45bd25 100644
--- a/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-eb.dts
+++ b/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-eb.dts
@@ -238,3 +238,7 @@ &uart2 {
 	status = "okay";
 	uart-has-rtscts;
 };
+
+&pci_usb {
+	status = "okay";
+};
-- 
2.47.2

Re: [PATCH v2 1/2] ARM: dts: renesas: r9a06g032-rzn1d400-db: add pinmux for the CPLD

[Geert Uytterhoeven]

On Thu, 8 May 2025 at 09:43, Wolfram Sang
<wsa+renesas@sang-engineering.com> wrote:
> The CPLD has no dedicated driver, so apply the pinmux settings with the
> pinmux driver instead.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v6.16...

> --- a/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts
> +++ b/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-db.dts
> @@ -170,6 +170,9 @@ &mii_conv5 {
>  };
>
>  &pinctrl {
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pins_cpld>;
> +
>         pins_can0: pins_can0 {
>                 pinmux = <RZN1_PINMUX(162, RZN1_FUNC_CAN)>,     /* CAN0_TXD */
>                          <RZN1_PINMUX(163, RZN1_FUNC_CAN)>;     /* CAN0_RXD */
> @@ -226,6 +229,13 @@ pins_mdio1: pins_mdio1 {
>                 pinmux = <RZN1_PINMUX(152, RZN1_FUNC_MDIO1_SWITCH)>,
>                          <RZN1_PINMUX(153, RZN1_FUNC_MDIO1_SWITCH)>;
>         };
> +
> +       pins_cpld: pins-cpld {

... with this node moved up, to preserve sort order.

> +               pinmux = <RZN1_PINMUX(119, RZN1_FUNC_USB)>,
> +                        <RZN1_PINMUX(120, RZN1_FUNC_USB)>,
> +                        <RZN1_PINMUX(121, RZN1_FUNC_USB)>,
> +                        <RZN1_PINMUX(122, RZN1_FUNC_USB)>;
> +       };
>  };
>
>  &rtc0 {

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 v2 2/2] ARM: dts: renesas: r9a06g032-rzn1d400-eb: enable USB host port

[Geert Uytterhoeven]

On Thu, 8 May 2025 at 09:43, Wolfram Sang
<wsa+renesas@sang-engineering.com> wrote:
> Can be used via the USB connector J20.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v6.16.

> --- a/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-eb.dts
> +++ b/arch/arm/boot/dts/renesas/r9a06g032-rzn1d400-eb.dts
> @@ -238,3 +238,7 @@ &uart2 {
>         status = "okay";
>         uart-has-rtscts;
>  };
> +
> +&pci_usb {

... with this node moved up, to preserve sort order.

> +       status = "okay";
> +};

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