phy: sun4i-usb: add support for R40 USB PHY

Allwinner R40 features a USB PHY like the one in A64, but with 3 PHYs.

Add support for it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Rob Herring <robh@kernel.org>
Tested-by: Hermann Lauer <Hermann.Lauer@iwr.uni-heidelberg.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>

diff --git a/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt b/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt
index c1ce5a0..07ca4ec 100644 (file)
--- a/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt
+++ b/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt
@@ -11,6 +11,7 @@ Required properties:
   * allwinner,sun8i-a33-usb-phy
   * allwinner,sun8i-a83t-usb-phy
   * allwinner,sun8i-h3-usb-phy
+  * allwinner,sun8i-r40-usb-phy
   * allwinner,sun8i-v3s-usb-phy
   * allwinner,sun50i-a64-usb-phy
 - reg : a list of offset + length pairs

diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c
index aa857be..bee7988 100644 (file)
--- a/drivers/phy/allwinner/phy-sun4i-usb.c
+++ b/drivers/phy/allwinner/phy-sun4i-usb.c
@@ -112,6 +112,7 @@ enum sun4i_usb_phy_type {
        sun8i_a33_phy,
        sun8i_a83t_phy,
        sun8i_h3_phy,
+       sun8i_r40_phy,
        sun8i_v3s_phy,
        sun50i_a64_phy,
 };
@@ -919,6 +920,16 @@ static const struct sun4i_usb_phy_cfg sun8i_h3_cfg = {
        .phy0_dual_route = true,
 };
 
+static const struct sun4i_usb_phy_cfg sun8i_r40_cfg = {
+       .num_phys = 3,
+       .type = sun8i_r40_phy,
+       .disc_thresh = 3,
+       .phyctl_offset = REG_PHYCTL_A33,
+       .dedicated_clocks = true,
+       .enable_pmu_unk1 = true,
+       .phy0_dual_route = true,
+};
+
 static const struct sun4i_usb_phy_cfg sun8i_v3s_cfg = {
        .num_phys = 1,
        .type = sun8i_v3s_phy,
@@ -948,6 +959,7 @@ static const struct of_device_id sun4i_usb_phy_of_match[] = {
        { .compatible = "allwinner,sun8i-a33-usb-phy", .data = &sun8i_a33_cfg },
        { .compatible = "allwinner,sun8i-a83t-usb-phy", .data = &sun8i_a83t_cfg },
        { .compatible = "allwinner,sun8i-h3-usb-phy", .data = &sun8i_h3_cfg },
+       { .compatible = "allwinner,sun8i-r40-usb-phy", .data = &sun8i_r40_cfg },
        { .compatible = "allwinner,sun8i-v3s-usb-phy", .data = &sun8i_v3s_cfg },
        { .compatible = "allwinner,sun50i-a64-usb-phy",
          .data = &sun50i_a64_cfg},