diff options
Diffstat (limited to 'drivers/misc/rockchip-io-domain.c')
| -rw-r--r-- | drivers/misc/rockchip-io-domain.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/drivers/misc/rockchip-io-domain.c b/drivers/misc/rockchip-io-domain.c index cf4f7c3984c..025b6049a9f 100644 --- a/drivers/misc/rockchip-io-domain.c +++ b/drivers/misc/rockchip-io-domain.c @@ -31,6 +31,10 @@ #define PX30_IO_VSEL_VCCIO6_SRC BIT(0) #define PX30_IO_VSEL_VCCIO6_SUPPLY_NUM 1 +#define RK3308_SOC_CON0 0x300 +#define RK3308_SOC_CON0_VCCIO3 BIT(8) +#define RK3308_SOC_VCCIO3_SUPPLY_NUM 3 + #define RK3328_SOC_CON4 0x410 #define RK3328_SOC_CON4_VCCIO2 BIT(7) #define RK3328_SOC_VCCIO2_SUPPLY_NUM 1 @@ -119,6 +123,22 @@ static int px30_iodomain_write(struct regmap *grf, uint offset, int idx, int uV) return ret; } +static int rk3308_iodomain_write(struct regmap *grf, uint offset, int idx, int uV) +{ + int ret = rockchip_iodomain_write(grf, offset, idx, uV); + + if (!ret && idx == RK3308_SOC_VCCIO3_SUPPLY_NUM) { + /* + * set vccio3 iodomain to also use this framework + * instead of a special gpio. + */ + u32 val = RK3308_SOC_CON0_VCCIO3 | (RK3308_SOC_CON0_VCCIO3 << 16); + ret = regmap_write(grf, RK3308_SOC_CON0, val); + } + + return ret; +} + static int rk3328_iodomain_write(struct regmap *grf, uint offset, int idx, int uV) { int ret = rockchip_iodomain_write(grf, offset, idx, uV); @@ -189,6 +209,19 @@ static const struct rockchip_iodomain_soc_data soc_data_px30_pmu = { .write = rockchip_iodomain_write, }; +static const struct rockchip_iodomain_soc_data soc_data_rk3308 = { + .grf_offset = 0x300, + .supply_names = { + "vccio0-supply", + "vccio1-supply", + "vccio2-supply", + "vccio3-supply", + "vccio4-supply", + "vccio5-supply", + }, + .write = rk3308_iodomain_write, +}; + static const struct rockchip_iodomain_soc_data soc_data_rk3328 = { .grf_offset = 0x410, .supply_names = { @@ -257,6 +290,10 @@ static const struct udevice_id rockchip_iodomain_ids[] = { .data = (ulong)&soc_data_px30_pmu, }, { + .compatible = "rockchip,rk3308-io-voltage-domain", + .data = (ulong)&soc_data_rk3308, + }, + { .compatible = "rockchip,rk3328-io-voltage-domain", .data = (ulong)&soc_data_rk3328, }, |