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SubjectRe: [PATCH v4 4/7] ARM: dts: aspeed-g6: add usb functions
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On Wed, 2020-02-26 at 15:03 -0800, rentao.bupt@gmail.com wrote:
> From: Tao Ren <rentao.bupt@gmail.com>
>
> Add USB components and according pin groups in aspeed-g6 dtsi.
>
> Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
> Reviewed-by: Andrew Jeffery <andrew@aj.id.au>

Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

> ---
> No change in v3/v4.
> Changes in v2:
> - added port/endpoint properties for vhub dt node.
>
> arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi | 25 +++++++++++++
> arch/arm/boot/dts/aspeed-g6.dtsi | 45
> ++++++++++++++++++++++++
> 2 files changed, 70 insertions(+)
>
> diff --git a/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi
> b/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi
> index 045ce66ca876..7028e21bdd98 100644
> --- a/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi
> +++ b/arch/arm/boot/dts/aspeed-g6-pinctrl.dtsi
> @@ -1112,6 +1112,31 @@
> groups = "UART9";
> };
>
> + pinctrl_usb2ah_default: usb2ah_default {
> + function = "USB2AH";
> + groups = "USBA";
> + };
> +
> + pinctrl_usb2ad_default: usb2ad_default {
> + function = "USB2AD";
> + groups = "USBA";
> + };
> +
> + pinctrl_usb2bh_default: usb2bh_default {
> + function = "USB2BH";
> + groups = "USBB";
> + };
> +
> + pinctrl_usb2bd_default: usb2bd_default {
> + function = "USB2BD";
> + groups = "USBB";
> + };
> +
> + pinctrl_usb11bhid_default: usb11bhid_default {
> + function = "USB11BHID";
> + groups = "USBB";
> + };
> +
> pinctrl_vb_default: vb_default {
> function = "VB";
> groups = "VB";
> diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi
> b/arch/arm/boot/dts/aspeed-g6.dtsi
> index 796976d275e1..0a29b3b57a9d 100644
> --- a/arch/arm/boot/dts/aspeed-g6.dtsi
> +++ b/arch/arm/boot/dts/aspeed-g6.dtsi
> @@ -245,6 +245,51 @@
> status = "disabled";
> };
>
> + ehci0: usb@1e6a1000 {
> + compatible = "aspeed,ast2600-ehci", "generic-
> ehci";
> + reg = <0x1e6a1000 0x100>;
> + interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&syscon ASPEED_CLK_GATE_USBPORT1CLK>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usb2ah_default>;
> + status = "disabled";
> + };
> +
> + ehci1: usb@1e6a3000 {
> + compatible = "aspeed,ast2600-ehci", "generic-
> ehci";
> + reg = <0x1e6a3000 0x100>;
> + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&syscon ASPEED_CLK_GATE_USBPORT2CLK>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usb2bh_default>;
> + status = "disabled";
> + };
> +
> + uhci: usb@1e6b0000 {
> + compatible = "aspeed,ast2600-uhci", "generic-
> uhci";
> + reg = <0x1e6b0000 0x100>;
> + interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
> + #ports = <2>;
> + clocks = <&syscon ASPEED_CLK_GATE_USBUHCICLK>;
> + status = "disabled";
> + /*
> + * No default pinmux, it will follow EHCI, use
> an
> + * explicit pinmux override if EHCI is not
> enabled.
> + */
> + };
> +
> + vhub: usb-vhub@1e6a0000 {
> + compatible = "aspeed,ast2600-usb-vhub";
> + reg = <0x1e6a0000 0x350>;
> + interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&syscon ASPEED_CLK_GATE_USBPORT1CLK>;
> + aspeed,vhub-downstream-ports = <7>;
> + aspeed,vhub-generic-endpoints = <21>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_usb2ad_default>;
> + status = "disabled";
> + };
> +
> apb {
> compatible = "simple-bus";
> #address-cells = <1>;

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