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phy: rockchip: mipi-dcphy: add support rk3576

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Change-Id: I08bfe6b2af3dabdf5a8c5993304454a9dd6ca61c
Signed-off-by: Guochun Huang <hero.huang@rock-chips.com>
This commit is contained in:
Guochun Huang
2024-01-01 00:53:15 +00:00
committed by Tao Huang
parent aedf737234
commit 6eeeb8ab7a
2 changed files with 24 additions and 4 deletions
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22
drivers/phy/rockchip/phy-rockchip-samsung-dcphy.c
View File

@@ -153,9 +153,6 @@
#define S_CPHY_MODE HIWORD_UPDATE(1, 3, 3)
#define M_CPHY_MODE HIWORD_UPDATE(1, 0, 0)
#define MAX_DPHY_BW 4500000L
#define MAX_CPHY_BW 2000000L
#define RX_CLK_THS_SETTLE (0xb30)
#define RX_LANE0_THS_SETTLE (0xC30)
#define RX_LANE0_ERR_SOT_SYNC (0xC34)
@@ -1506,7 +1503,9 @@ samsung_mipi_dcphy_pll_round_rate(struct samsung_mipi_dcphy *samsung,
unsigned long prate, unsigned long rate,
u8 *prediv, u16 *fbdiv, int *dsm, u8 *scaler)
{
u64 max_fout = samsung->c_option ? MAX_CPHY_BW : MAX_DPHY_BW;
u32 max_fout = samsung->c_option ?
samsung->pdata->cphy_tx_max_ksps_per_lane :
samsung->pdata->dphy_tx_max_kbps_per_lane;
u64 best_freq = 0;
u64 fin, fvco, fout;
u8 min_prediv, max_prediv;
@@ -2325,6 +2324,7 @@ static int samsung_mipi_dcphy_probe(struct platform_device *pdev)
return -ENOMEM;
samsung->dev = dev;
samsung->pdata = device_get_match_data(dev);
platform_set_drvdata(pdev, samsung);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@@ -2439,9 +2439,23 @@ static const struct dev_pm_ops samsung_mipi_dcphy_pm_ops = {
samsung_mipi_dcphy_runtime_resume, NULL)
};
static const struct samsung_mipi_dcphy_plat_data rk3576_samsung_mipi_dcphy_plat_data = {
.dphy_tx_max_kbps_per_lane = 2500000L,
.cphy_tx_max_ksps_per_lane = 1700000L,
};
static const struct samsung_mipi_dcphy_plat_data rk3588_samsung_mipi_dcphy_plat_data = {
.dphy_tx_max_kbps_per_lane = 4500000L,
.cphy_tx_max_ksps_per_lane = 2000000L,
};
static const struct of_device_id samsung_mipi_dcphy_of_match[] = {
{
.compatible = "rockchip,rk3576-mipi-dcphy",
.data = &rk3576_samsung_mipi_dcphy_plat_data,
}, {
.compatible = "rockchip,rk3588-mipi-dcphy",
.data = &rk3588_samsung_mipi_dcphy_plat_data,
},
{}
};

6
drivers/phy/rockchip/phy-rockchip-samsung-dcphy.h
View File

@@ -10,6 +10,11 @@
#define MAX_NUM_CSI2_DPHY (0x2)
struct samsung_mipi_dcphy_plat_data {
u32 dphy_tx_max_kbps_per_lane;
u32 cphy_tx_max_ksps_per_lane;
};
struct samsung_mipi_dcphy {
struct device *dev;
struct clk *ref_clk;
@@ -28,6 +33,7 @@ struct samsung_mipi_dcphy {
unsigned int lanes;
const struct samsung_mipi_dcphy_plat_data *pdata;
struct {
unsigned long long rate;
u8 prediv;