linux-kernel - [PATCH RESEND] phy: sun4i-usb: add support for R40 USB PHY

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Date:   Wed,  3 Jan 2018 16:49:44 +0800
From:   Icenowy Zheng <icenowy@...c.io>
To:     Kishon Vijay Abraham I <kishon@...com>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...glegroups.com,
        Icenowy Zheng <icenowy@...c.io>
Subject: [PATCH RESEND] 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@...c.io>
Acked-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
Acked-by: Rob Herring <robh@...nel.org>
---
When resending, the ACK's by Maxime and Rob are added.

 Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt |  1 +
 drivers/phy/allwinner/phy-sun4i-usb.c                   | 12 ++++++++++++
 2 files changed, 13 insertions(+)

diff --git a/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt b/Documentation/devicetree/bindings/phy/sun4i-usb-phy.txt
index c1ce5a0a652e..07ca4ec4a745 100644
--- 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 aa857be692cf..bee798892b21 100644
--- 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},
-- 
2.14.2