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drm/rockchip: dsi2: add support rk3576

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Add the necessary specific bits to support the rk3576-variant of the
DW-DSI2 controller.

Signed-off-by: Guochun Huang <hero.huang@rock-chips.com>
[adapted from the vendor-kernel for mainline]
Reviewed-by: Andy Yan <andy.yan@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20250707164906.1445288-10-heiko@sntech.de
This commit is contained in:
Guochun Huang 2025-07-07 18:49:02 +02:00 committed by Heiko Stuebner
parent f05530bdaf
commit b6f11f1147
1 changed files with 21 additions and 0 deletions
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21
drivers/gpu/drm/rockchip/dw-mipi-dsi2-rockchip.c
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@ -437,6 +437,15 @@ static void dw_mipi_dsi2_rockchip_remove(struct platform_device *pdev)
dw_mipi_dsi2_remove(dsi2->dmd);
}
static const struct dsigrf_reg rk3576_dsi_grf_reg_fields[MAX_FIELDS] = {
[TXREQCLKHS_EN] = { 0x0028, 1, 1 },
[GATING_EN] = { 0x0028, 0, 0 },
[IPI_SHUTDN] = { 0x0028, 3, 3 },
[IPI_COLORM] = { 0x0028, 2, 2 },
[IPI_COLOR_DEPTH] = { 0x0028, 8, 11 },
[IPI_FORMAT] = { 0x0028, 4, 7 },
};
static const struct dsigrf_reg rk3588_dsi0_grf_reg_fields[MAX_FIELDS] = {
[TXREQCLKHS_EN] = { 0x0000, 11, 11 },
[GATING_EN] = { 0x0000, 10, 10 },
@ -455,6 +464,15 @@ static const struct dsigrf_reg rk3588_dsi1_grf_reg_fields[MAX_FIELDS] = {
[IPI_FORMAT] = { 0x0004, 0, 3 },
};
static const struct rockchip_dw_dsi2_chip_data rk3576_chip_data[] = {
{
.reg = 0x27d80000,
.grf_regs = rk3576_dsi_grf_reg_fields,
.max_bit_rate_per_lane = 2500000ULL,
},
{ /* sentinel */ }
};
static const struct rockchip_dw_dsi2_chip_data rk3588_chip_data[] = {
{
.reg = 0xfde20000,
@ -470,6 +488,9 @@ static const struct rockchip_dw_dsi2_chip_data rk3588_chip_data[] = {
static const struct of_device_id dw_mipi_dsi2_rockchip_dt_ids[] = {
{
.compatible = "rockchip,rk3576-mipi-dsi2",
.data = &rk3576_chip_data,
}, {
.compatible = "rockchip,rk3588-mipi-dsi2",
.data = &rk3588_chip_data,
},