From: Jon Lin <jon....@rock-chips.com>
Add support for rk3588 phy variant.
The PHY clock is fixed at 100MHz.
Signed-off-by: Jon Lin <jon....@rock-chips.com>
[kever.y...@rock-chips.com: update pcie pll parameters]
Co-developed-by: Kever Yang <kever.y...@rock-chips.com>
Signed-off-by: Kever Yang <kever.y...@rock-chips.com>
[eugen.hris...@collabora.com: squashed, tidy up]
Signed-off-by: Eugen Hristev <eugen.hris...@collabora.com>
---
.../rockchip/phy-rockchip-naneng-combphy.c | 95 +++++++++++++++++++
1 file changed, 95 insertions(+)
diff --git a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
index b673a8da9f8e..d5408ccac976 100644
--- a/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
+++ b/drivers/phy/rockchip/phy-rockchip-naneng-combphy.c
@@ -58,6 +58,7 @@ struct rockchip_combphy_grfcfg {
struct combphy_reg con2_for_sata;
struct combphy_reg con3_for_sata;
struct combphy_reg pipe_con0_for_sata;
+ struct combphy_reg pipe_con1_for_sata;
struct combphy_reg pipe_sgmii_mac_sel;
struct combphy_reg pipe_xpcs_phy_ready;
struct combphy_reg u3otg0_port_en;
@@ -423,11 +424,105 @@ static const struct rockchip_combphy_cfg
rk3568_combphy_cfgs = {
.combphy_cfg = rk3568_combphy_cfg,
};
+static int rk3588_combphy_cfg(struct rockchip_combphy_priv *priv)
+{
+ const struct rockchip_combphy_grfcfg *cfg = priv->cfg->grfcfg;
+ u32 val;
+
+ switch (priv->mode) {
+ case PHY_TYPE_PCIE:
+ param_write(priv->phy_grf, &cfg->con0_for_pcie, true);
+ param_write(priv->phy_grf, &cfg->con1_for_pcie, true);
+ param_write(priv->phy_grf, &cfg->con2_for_pcie, true);
+ param_write(priv->phy_grf, &cfg->con3_for_pcie, true);
+ break;
+ case PHY_TYPE_USB3:
+ param_write(priv->phy_grf, &cfg->pipe_txcomp_sel, false);
+ param_write(priv->phy_grf, &cfg->pipe_txelec_sel, false);
+ param_write(priv->phy_grf, &cfg->usb_mode_set, true);
+ break;
+ case PHY_TYPE_SATA:
+ param_write(priv->phy_grf, &cfg->con0_for_sata, true);
+ param_write(priv->phy_grf, &cfg->con1_for_sata, true);
+ param_write(priv->phy_grf, &cfg->con2_for_sata, true);
+ param_write(priv->phy_grf, &cfg->con3_for_sata, true);
+ param_write(priv->pipe_grf, &cfg->pipe_con0_for_sata, true);
+ param_write(priv->pipe_grf, &cfg->pipe_con1_for_sata, true);
+ break;
+ case PHY_TYPE_SGMII:
+ case PHY_TYPE_QSGMII:
+ default:
+ dev_err(priv->dev, "incompatible PHY type\n");
+ return -EINVAL;
+ }
+
+ /* 100MHz refclock signal is good */
+ clk_set_rate(&priv->ref_clk, 100000000);
+ param_write(priv->phy_grf, &cfg->pipe_clk_100m, true);
+ if (priv->mode == PHY_TYPE_PCIE) {
+ /* PLL KVCO tuning fine */
+ val = readl(priv->mmio + (0x20 << 2));
+ val &= ~GENMASK(4, 2);
+ val |= 0x4 << 2;
+ writel(val, priv->mmio + (0x20 << 2));
+
+ /* Set up rx_trim: PLL LPF C1 85pf R1 1.25kohm */
+ val = 0x4c;
+ writel(val, priv->mmio + (0x1b << 2));
+
+ /* Set up su_trim: T3 */
+ val = 0xb0;
+ writel(val, priv->mmio + (0xa << 2));
+ val = 0x47;
+ writel(val, priv->mmio + (0xb << 2));
+ val = 0x57;
+ writel(val, priv->mmio + (0xd << 2));
+ }
+
+ return 0;
+}
+
+static const struct rockchip_combphy_grfcfg rk3588_combphy_grfcfgs = {
+ /* pipe-phy-grf */
+ .pcie_mode_set = { 0x0000, 5, 0, 0x00, 0x11 },
+ .usb_mode_set = { 0x0000, 5, 0, 0x00, 0x04 },
+ .pipe_rxterm_set = { 0x0000, 12, 12, 0x00, 0x01 },
+ .pipe_txelec_set = { 0x0004, 1, 1, 0x00, 0x01 },
+ .pipe_txcomp_set = { 0x0004, 4, 4, 0x00, 0x01 },
+ .pipe_clk_25m = { 0x0004, 14, 13, 0x00, 0x01 },
+ .pipe_clk_100m = { 0x0004, 14, 13, 0x00, 0x02 },
+ .pipe_rxterm_sel = { 0x0008, 8, 8, 0x00, 0x01 },
+ .pipe_txelec_sel = { 0x0008, 12, 12, 0x00, 0x01 },
+ .pipe_txcomp_sel = { 0x0008, 15, 15, 0x00, 0x01 },
+ .pipe_clk_ext = { 0x000c, 9, 8, 0x02, 0x01 },
+ .pipe_phy_status = { 0x0034, 6, 6, 0x01, 0x00 },
+ .con0_for_pcie = { 0x0000, 15, 0, 0x00, 0x1000 },
+ .con1_for_pcie = { 0x0004, 15, 0, 0x00, 0x0000 },
+ .con2_for_pcie = { 0x0008, 15, 0, 0x00, 0x0101 },
+ .con3_for_pcie = { 0x000c, 15, 0, 0x00, 0x0200 },
+ .con0_for_sata = { 0x0000, 15, 0, 0x00, 0x0129 },
+ .con1_for_sata = { 0x0004, 15, 0, 0x00, 0x0040 },
+ .con2_for_sata = { 0x0008, 15, 0, 0x00, 0x80c1 },
+ .con3_for_sata = { 0x000c, 15, 0, 0x00, 0x0407 },
+ /* pipe-grf */
+ .pipe_con0_for_sata = { 0x0000, 11, 5, 0x00, 0x22 },
+ .pipe_con1_for_sata = { 0x0000, 2, 0, 0x00, 0x2 },
+};
+
+static const struct rockchip_combphy_cfg rk3588_combphy_cfgs = {
+ .grfcfg = &rk3588_combphy_grfcfgs,
+ .combphy_cfg = rk3588_combphy_cfg,
+};
+
static const struct udevice_id rockchip_combphy_ids[] = {
{
.compatible = "rockchip,rk3568-naneng-combphy",
.data = (ulong)&rk3568_combphy_cfgs
},
+ {
+ .compatible = "rockchip,rk3588-naneng-combphy",
+ .data = (ulong)&rk3588_combphy_cfgs
+ },
{ }
};
--
2.34.1
