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soc: rockchip: io-domain: Add RK3308 IO voltage domains

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Add IO voltage domains support for the RK3308 SoC.

Signed-off-by: David Wu <david.wu@rock-chips.com>
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Link: https://lore.kernel.org/r/20240521211029.1236094-11-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
David Wu 2024-05-21 21:10:13 +00:00 committed by Heiko Stuebner
parent ff2bed591a
commit f0d7047889
1 changed files with 40 additions and 0 deletions
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40
drivers/soc/rockchip/io-domain.c
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@ -39,6 +39,10 @@
#define RK3288_SOC_CON2_FLASH0 BIT(7)
#define RK3288_SOC_FLASH_SUPPLY_NUM 2
#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
@ -229,6 +233,25 @@ static void rk3288_iodomain_init(struct rockchip_iodomain *iod)
dev_warn(iod->dev, "couldn't update flash0 ctrl\n");
}
static void rk3308_iodomain_init(struct rockchip_iodomain *iod)
{
int ret;
u32 val;
/* if no vccio3 supply we should leave things alone */
if (!iod->supplies[RK3308_SOC_VCCIO3_SUPPLY_NUM].reg)
return;
/*
* set vccio3 iodomain to also use this framework
* instead of a special gpio.
*/
val = RK3308_SOC_CON0_VCCIO3 | (RK3308_SOC_CON0_VCCIO3 << 16);
ret = regmap_write(iod->grf, RK3308_SOC_CON0, val);
if (ret < 0)
dev_warn(iod->dev, "couldn't update vccio3 vsel ctrl\n");
}
static void rk3328_iodomain_init(struct rockchip_iodomain *iod)
{
int ret;
@ -376,6 +399,19 @@ static const struct rockchip_iodomain_soc_data soc_data_rk3288 = {
.init = rk3288_iodomain_init,
};
static const struct rockchip_iodomain_soc_data soc_data_rk3308 = {
.grf_offset = 0x300,
.supply_names = {
"vccio0",
"vccio1",
"vccio2",
"vccio3",
"vccio4",
"vccio5",
},
.init = rk3308_iodomain_init,
};
static const struct rockchip_iodomain_soc_data soc_data_rk3328 = {
.grf_offset = 0x410,
.supply_names = {
@ -528,6 +564,10 @@ static const struct of_device_id rockchip_iodomain_match[] = {
.compatible = "rockchip,rk3288-io-voltage-domain",
.data = &soc_data_rk3288
},
{
.compatible = "rockchip,rk3308-io-voltage-domain",
.data = &soc_data_rk3308
},
{
.compatible = "rockchip,rk3328-io-voltage-domain",
.data = &soc_data_rk3328