usb: gadget: udc: renesas_usb3: add support for R-Car M3-W

This patch adds support for R-Car M3-W. This patch also adds R-Car
Gen3 generic version's compatible and changes ".compatible" in
the usb3_of_match from "renesas,r8a7796-usb3-peri" to
"renesas,rcar-gen3-usb3-peri".

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

diff --git a/Documentation/devicetree/bindings/usb/renesas_usb3.txt b/Documentation/devicetree/bindings/usb/renesas_usb3.txt
index 8d52766..e280258 100644 (file)
--- a/Documentation/devicetree/bindings/usb/renesas_usb3.txt
+++ b/Documentation/devicetree/bindings/usb/renesas_usb3.txt
@@ -3,20 +3,30 @@ Renesas Electronics USB3.0 Peripheral driver
 Required properties:
   - compatible: Must contain one of the following:
        - "renesas,r8a7795-usb3-peri"
+       - "renesas,r8a7796-usb3-peri"
+       - "renesas,rcar-gen3-usb3-peri" for a generic R-Car Gen3 compatible
+         device
+
+    When compatible with the generic version, nodes must list the
+    SoC-specific version corresponding to the platform first
+    followed by the generic version.
+
   - reg: Base address and length of the register for the USB3.0 Peripheral
   - interrupts: Interrupt specifier for the USB3.0 Peripheral
   - clocks: clock phandle and specifier pair
 
-Example:
+Example of R-Car H3 ES1.x:
        usb3_peri0: usb@ee020000 {
-               compatible = "renesas,r8a7795-usb3-peri";
+               compatible = "renesas,r8a7795-usb3-peri",
+                            "renesas,rcar-gen3-usb3-peri";
                reg = <0 0xee020000 0 0x400>;
                interrupts = <GIC_SPI 104 IRQ_TYPE_LEVEL_HIGH>;
                clocks = <&cpg CPG_MOD 328>;
        };
 
        usb3_peri1: usb@ee060000 {
-               compatible = "renesas,r8a7795-usb3-peri";
+               compatible = "renesas,r8a7795-usb3-peri",
+                            "renesas,rcar-gen3-usb3-peri";
                reg = <0 0xee060000 0 0x400>;
                interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
                clocks = <&cpg CPG_MOD 327>;

diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index ff69f46..16ceb44 100644 (file)
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -2512,6 +2512,10 @@ static const struct of_device_id usb3_of_match[] = {
                .compatible = "renesas,r8a7795-usb3-peri",
                .data = &renesas_usb3_priv_gen3,
        },
+       {
+               .compatible = "renesas,rcar-gen3-usb3-peri",
+               .data = &renesas_usb3_priv_gen3,
+       },
        { },
 };
 MODULE_DEVICE_TABLE(of, usb3_of_match);