diff options
| -rw-r--r-- | Documentation/devicetree/bindings/power/rockchip-io-domain.txt | 11 | ||||
| -rwxr-xr-x[-rw-r--r--] | drivers/power/avs/rockchip-io-domain.c | 58 |
2 files changed, 69 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/rockchip-io-domain.txt b/Documentation/devicetree/bindings/power/rockchip-io-domain.txt index b8627e763dba..c84fb47265eb 100644 --- a/Documentation/devicetree/bindings/power/rockchip-io-domain.txt +++ b/Documentation/devicetree/bindings/power/rockchip-io-domain.txt @@ -35,6 +35,8 @@ Required properties: - "rockchip,rk3288-io-voltage-domain" for rk3288 - "rockchip,rk3368-io-voltage-domain" for rk3368 - "rockchip,rk3368-pmu-io-voltage-domain" for rk3368 pmu-domains + - "rockchip,rk3399-io-voltage-domain" for rk3399 + - "rockchip,rk3399-pmu-io-voltage-domain" for rk3399 pmu-domains - rockchip,grf: phandle to the syscon managing the "general register files" @@ -79,6 +81,15 @@ Possible supplies for rk3368 pmu-domains: - pmu-supply: The supply connected to PMUIO_VDD. - vop-supply: The supply connected to LCDC_VDD. +Possible supplies for rk3399: +- bt656-supply: The supply connected to APIO2_VDD. +- audio-supply: The supply connected to APIO5_VDD. +- sdmmc-supply: The supply connected to SDMMC0_VDD. +- gpio1830 The supply connected to APIO4_VDD. + +Possible supplies for rk3399 pmu-domains: +- pmu1830-supply:The supply connected to PMUIO2_VDD. + Example: io-domains { diff --git a/drivers/power/avs/rockchip-io-domain.c b/drivers/power/avs/rockchip-io-domain.c index 80994566a1c8..8986382718dd 100644..100755 --- a/drivers/power/avs/rockchip-io-domain.c +++ b/drivers/power/avs/rockchip-io-domain.c @@ -47,6 +47,10 @@ #define RK3368_SOC_CON15_FLASH0 BIT(14) #define RK3368_SOC_FLASH_SUPPLY_NUM 2 +#define RK3399_PMUGRF_CON0 0x180 +#define RK3399_PMUGRF_CON0_VSEL BIT(8) +#define RK3399_PMUGRF_VSEL_SUPPLY_NUM 9 + struct rockchip_iodomain; /** @@ -181,6 +185,25 @@ static void rk3368_iodomain_init(struct rockchip_iodomain *iod) dev_warn(iod->dev, "couldn't update flash0 ctrl\n"); } +static void rk3399_pmu_iodomain_init(struct rockchip_iodomain *iod) +{ + int ret; + u32 val; + + /* if no pmu io supply we should leave things alone */ + if (!iod->supplies[RK3399_PMUGRF_VSEL_SUPPLY_NUM].reg) + return; + + /* + * set pmu io iodomain to also use this framework + * instead of a special gpio. + */ + val = RK3399_PMUGRF_CON0_VSEL | (RK3399_PMUGRF_CON0_VSEL << 16); + ret = regmap_write(iod->grf, RK3399_PMUGRF_CON0, val); + if (ret < 0) + dev_warn(iod->dev, "couldn't update pmu io iodomain ctrl\n"); +} + /* * On the rk3188 the io-domains are handled by a shared register with the * lower 8 bits being still being continuing drive-strength settings. @@ -252,6 +275,33 @@ static const struct rockchip_iodomain_soc_data soc_data_rk3368_pmu = { }, }; +static const struct rockchip_iodomain_soc_data soc_data_rk3399 = { + .grf_offset = 0xe640, + .supply_names = { + "bt656", /* APIO2_VDD */ + "audio", /* APIO5_VDD */ + "sdmmc", /* SDMMC0_VDD */ + "gpio1830", /* APIO4_VDD */ + }, +}; + +static const struct rockchip_iodomain_soc_data soc_data_rk3399_pmu = { + .grf_offset = 0x180, + .supply_names = { + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + NULL, + "pmu1830", /* PMUIO2_VDD */ + }, + .init = rk3399_pmu_iodomain_init, +}; + static const struct of_device_id rockchip_iodomain_match[] = { { .compatible = "rockchip,rk3188-io-voltage-domain", @@ -269,6 +319,14 @@ static const struct of_device_id rockchip_iodomain_match[] = { .compatible = "rockchip,rk3368-pmu-io-voltage-domain", .data = (void *)&soc_data_rk3368_pmu }, + { + .compatible = "rockchip,rk3399-io-voltage-domain", + .data = (void *)&soc_data_rk3399 + }, + { + .compatible = "rockchip,rk3399-pmu-io-voltage-domain", + .data = (void *)&soc_data_rk3399_pmu + }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, rockchip_iodomain_match); |