arm64: dts: rockchip: add USB support to rk3308.dtsi

The Rockchip RK3308 features an integrated USB 2.0 phy, an USB OTG
controller and OHCI/EHCI interfaces.
This patch adds all of those to the RK3308 dtsi and thereby enables USB
support on the RK3308.

Signed-off-by: Tobias Schramm <t.schramm@manjaro.org>
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20210601164800.7670-6-jbx6244@gmail.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3308.dtsi b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
index 0c5fa9801e6fd0299a9e2f9e50f7029af95e17d5..4fca2c4a53223ce0bc0595e406959995a549f75e 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3308.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
@@ -164,7 +164,7 @@
 
        grf: grf@ff000000 {
                compatible = "rockchip,rk3308-grf", "syscon", "simple-mfd";
-               reg = <0x0 0xff000000 0x0 0x10000>;
+               reg = <0x0 0xff000000 0x0 0x08000>;
 
                reboot-mode {
                        compatible = "syscon-reboot-mode";
@@ -177,6 +177,42 @@
                };
        };
 
+       usb2phy_grf: syscon@ff008000 {
+               compatible = "rockchip,rk3308-usb2phy-grf", "syscon", "simple-mfd";
+               reg = <0x0 0xff008000 0x0 0x4000>;
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+               u2phy: usb2phy@100 {
+                       compatible = "rockchip,rk3308-usb2phy";
+                       reg = <0x100 0x10>;
+                       assigned-clocks = <&cru USB480M>;
+                       assigned-clock-parents = <&u2phy>;
+                       clocks = <&cru SCLK_USBPHY_REF>;
+                       clock-names = "phyclk";
+                       clock-output-names = "usb480m_phy";
+                       #clock-cells = <0>;
+                       status = "disabled";
+
+                       u2phy_otg: otg-port {
+                               interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
+                                            <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>,
+                                            <GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>;
+                               interrupt-names = "otg-bvalid", "otg-id",
+                                                 "linestate";
+                               #phy-cells = <0>;
+                               status = "disabled";
+                       };
+
+                       u2phy_host: host-port {
+                               interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
+                               interrupt-names = "linestate";
+                               #phy-cells = <0>;
+                               status = "disabled";
+                       };
+               };
+       };
+
        detect_grf: syscon@ff00b000 {
                compatible = "rockchip,rk3308-detect-grf", "syscon", "simple-mfd";
                reg = <0x0 0xff00b000 0x0 0x1000>;
@@ -579,6 +615,42 @@
                status = "disabled";
        };
 
+       usb20_otg: usb@ff400000 {
+               compatible = "rockchip,rk3308-usb", "rockchip,rk3066-usb",
+                            "snps,dwc2";
+               reg = <0x0 0xff400000 0x0 0x40000>;
+               interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&cru HCLK_OTG>;
+               clock-names = "otg";
+               dr_mode = "otg";
+               g-np-tx-fifo-size = <16>;
+               g-rx-fifo-size = <280>;
+               g-tx-fifo-size = <256 128 128 64 32 16>;
+               phys = <&u2phy_otg>;
+               phy-names = "usb2-phy";
+               status = "disabled";
+       };
+
+       usb_host_ehci: usb@ff440000 {
+               compatible = "generic-ehci";
+               reg = <0x0 0xff440000 0x0 0x10000>;
+               interrupts = <GIC_SPI 71 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&cru HCLK_HOST>, <&cru HCLK_HOST_ARB>, <&u2phy>;
+               phys = <&u2phy_host>;
+               phy-names = "usb";
+               status = "disabled";
+       };
+
+       usb_host_ohci: usb@ff450000 {
+               compatible = "generic-ohci";
+               reg = <0x0 0xff450000 0x0 0x10000>;
+               interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
+               clocks = <&cru HCLK_HOST>, <&cru HCLK_HOST_ARB>, <&u2phy>;
+               phys = <&u2phy_host>;
+               phy-names = "usb";
+               status = "disabled";
+       };
+
        sdmmc: mmc@ff480000 {
                compatible = "rockchip,rk3308-dw-mshc", "rockchip,rk3288-dw-mshc";
                reg = <0x0 0xff480000 0x0 0x4000>;