[PATCH 05/25] net: ethernet: stmicro: stmmac: dwmac-rk: Add RV1106 support

[Vladislav Leonov <vlad@zlab.su>]

Rockchip RV1106 GMAC 10/100 ethernet controller.

Signed-off-by: Vladislav Leonov <vlad@zlab.su>
---

 .../net/ethernet/stmicro/stmmac/dwmac-rk.c    | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
index 8d7042e68926..a1bf545467cc 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c
@@ -1034,6 +1034,60 @@ static const struct rk_gmac_ops rk3588_ops = {
 	},
 };
 
+#define RV1106_VOGRF_GMAC_CLK_CON		0X60004
+
+#define RV1106_VOGRF_MACPHY_RMII_MODE		GRF_BIT(0)
+#define RV1106_VOGRF_GMAC_CLK_RMII_DIV2		GRF_BIT(2)
+#define RV1106_VOGRF_GMAC_CLK_RMII_DIV20	GRF_CLR_BIT(2)
+
+#define RV1106_VOGRF_MACPHY_CON0		0X60028
+
+static void rv1106_set_to_rmii(struct rk_priv_data *bsp_priv)
+{
+	regmap_write(bsp_priv->grf, RV1106_VOGRF_GMAC_CLK_CON,
+		     RV1106_VOGRF_MACPHY_RMII_MODE |
+		     RV1106_VOGRF_GMAC_CLK_RMII_DIV2);
+}
+
+static int rv1106_set_speed(struct rk_priv_data *bsp_priv,
+			    phy_interface_t interface, int speed)
+{
+	unsigned int val;
+
+	if (interface != PHY_INTERFACE_MODE_RMII)
+		return 0;
+
+	if (speed == SPEED_10)
+		val = RV1106_VOGRF_GMAC_CLK_RMII_DIV20;
+	else if (speed == SPEED_100)
+		val = RV1106_VOGRF_GMAC_CLK_RMII_DIV2;
+	else
+		return -EINVAL;
+
+	regmap_write(bsp_priv->grf, RV1106_VOGRF_GMAC_CLK_CON, val);
+
+	return 0;
+}
+
+static void rv1106_integrated_phy_powerup(struct rk_priv_data *bsp_priv)
+{
+	rk_gmac_integrated_fephy_powerup(bsp_priv, RV1106_VOGRF_MACPHY_CON0);
+}
+
+static void rv1106_integrated_phy_powerdown(struct rk_priv_data *bsp_priv)
+{
+	rk_gmac_integrated_fephy_powerdown(bsp_priv, RV1106_VOGRF_MACPHY_CON0);
+}
+
+static const struct rk_gmac_ops rv1106_ops = {
+	.set_to_rmii = rv1106_set_to_rmii,
+	.set_speed = rv1106_set_speed,
+	.integrated_phy_powerup = rv1106_integrated_phy_powerup,
+	.integrated_phy_powerdown = rv1106_integrated_phy_powerdown,
+
+	.supports_rmii = true,
+};
+
 #define RV1108_GRF_GMAC_CON0		0X0900
 
 /* RV1108_GRF_GMAC_CON0 */
@@ -1628,6 +1682,7 @@ static const struct of_device_id rk_gmac_dwmac_match[] = {
 	{ .compatible = "rockchip,rk3568-gmac", .data = &rk3568_ops },
 	{ .compatible = "rockchip,rk3576-gmac", .data = &rk3576_ops },
 	{ .compatible = "rockchip,rk3588-gmac", .data = &rk3588_ops },
+	{ .compatible = "rockchip,rv1106-gmac", .data = &rv1106_ops },
 	{ .compatible = "rockchip,rv1108-gmac", .data = &rv1108_ops },
 	{ .compatible = "rockchip,rv1126-gmac", .data = &rv1126_ops },
 	{ }
-- 
2.47.3