From: Michael Riesch <michael.riesch@collabora.com>
The Rockchip RK3588 MIPI CSI-2 DPHY can be supported using the existing
phy-rockchip-inno-csidphy driver, the notable differences being
- the control bits in the GRF
- the additional reset line
Add support for this variant.
Signed-off-by: Michael Riesch <michael.riesch@collabora.com>
---
drivers/phy/rockchip/phy-rockchip-inno-csidphy.c | 28 ++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/drivers/phy/rockchip/phy-rockchip-inno-csidphy.c b/drivers/phy/rockchip/phy-rockchip-inno-csidphy.c
index 6c4ddcd7e5de..c79fb53d8ee5 100644
--- a/drivers/phy/rockchip/phy-rockchip-inno-csidphy.c
+++ b/drivers/phy/rockchip/phy-rockchip-inno-csidphy.c
@@ -30,6 +30,8 @@
#define RK3568_GRF_VI_CON0 0x0340
#define RK3568_GRF_VI_CON1 0x0344
+#define RK3588_CSIDPHY_GRF_CON0 0x0000
+
/* PHY */
#define CSIDPHY_CTRL_LANE_ENABLE 0x00
#define CSIDPHY_CTRL_LANE_ENABLE_CK BIT(6)
@@ -117,6 +119,12 @@ static const struct dphy_reg rk3568_grf_dphy_regs[] = {
[GRF_DPHY_CSIPHY_CLKLANE_EN] = PHY_REG(RK3568_GRF_VI_CON0, 1, 8),
};
+static const struct dphy_reg rk3588_grf_dphy_regs[] = {
+ [GRF_DPHY_CSIPHY_FORCERXMODE] = PHY_REG(RK3588_CSIDPHY_GRF_CON0, 4, 0),
+ [GRF_DPHY_CSIPHY_DATALANE_EN] = PHY_REG(RK3588_CSIDPHY_GRF_CON0, 4, 4),
+ [GRF_DPHY_CSIPHY_CLKLANE_EN] = PHY_REG(RK3588_CSIDPHY_GRF_CON0, 1, 8),
+};
+
struct hsfreq_range {
u32 range_h;
u8 cfg_bit;
@@ -183,6 +191,11 @@ static const char *const rk3368_reset_names[] = {
"apb"
};
+static const char *const rk3588_reset_names[] = {
+ "apb",
+ "phy"
+};
+
static void rockchip_inno_csidphy_ths_settle(struct rockchip_inno_csidphy *priv,
int hsfreq, int offset)
{
@@ -390,6 +403,17 @@ static const struct dphy_drv_data rk3568_mipidphy_drv_data = {
.resets_num = ARRAY_SIZE(rk3368_reset_names),
};
+static const struct dphy_drv_data rk3588_mipidphy_drv_data = {
+ .pwrctl_offset = -1,
+ .ths_settle_offset = RK3568_CSIDPHY_CLK_WR_THS_SETTLE,
+ .calib_offset = RK3568_CSIDPHY_CLK_CALIB_EN,
+ .hsfreq_ranges = rk1808_mipidphy_hsfreq_ranges,
+ .num_hsfreq_ranges = ARRAY_SIZE(rk1808_mipidphy_hsfreq_ranges),
+ .grf_regs = rk3588_grf_dphy_regs,
+ .resets = rk3588_reset_names,
+ .resets_num = ARRAY_SIZE(rk3588_reset_names),
+};
+
static const struct of_device_id rockchip_inno_csidphy_match_id[] = {
{
.compatible = "rockchip,px30-csi-dphy",
@@ -411,6 +435,10 @@ static const struct of_device_id rockchip_inno_csidphy_match_id[] = {
.compatible = "rockchip,rk3568-csi-dphy",
.data = &rk3568_mipidphy_drv_data,
},
+ {
+ .compatible = "rockchip,rk3588-csi-dphy",
+ .data = &rk3588_mipidphy_drv_data,
+ },
{}
};
MODULE_DEVICE_TABLE(of, rockchip_inno_csidphy_match_id);
--
2.39.5