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soc: rockchip: io-domain: support rk3568

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Change-Id: I097898c8f19dbd5f7caa1798bebd2506876cffc3
Signed-off-by: Jianqun Xu <jay.xu@rock-chips.com>
This commit is contained in:
Jianqun Xu
2020-10-20 16:09:33 +08:00
committed by Tao Huang
parent 14ff5f7031
commit 853ce8706f
1 changed files with 73 additions and 2 deletions
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75
drivers/soc/rockchip/io-domain.c
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@@ -51,6 +51,10 @@
#define RK3399_PMUGRF_CON0_VSEL BIT(8)
#define RK3399_PMUGRF_VSEL_SUPPLY_NUM 9
#define RK3568_PMU_GRF_IO_VSEL0 (0x0140)
#define RK3568_PMU_GRF_IO_VSEL1 (0x0144)
#define RK3568_PMU_GRF_IO_VSEL2 (0x0148)
struct rockchip_iodomain;
/**
@@ -74,8 +78,51 @@ struct rockchip_iodomain {
struct regmap *grf;
const struct rockchip_iodomain_soc_data *soc_data;
struct rockchip_iodomain_supply supplies[MAX_SUPPLIES];
int (*write)(struct rockchip_iodomain_supply *supply, int uV);
};
static int rk3568_pmu_iodomain_write(struct rockchip_iodomain_supply *supply,
int uV)
{
struct rockchip_iodomain *iod = supply->iod;
u32 is_3v3 = uV > MAX_VOLTAGE_1_8;
u32 val0, val1;
int b;
switch (supply->idx) {
case 0: /* pmuio1 */
break;
case 1: /* pmuio2 */
b = supply->idx;
val0 = BIT(16 + b) | (is_3v3 ? 0 : BIT(b));
b = supply->idx + 4;
val1 = BIT(16 + b) | (is_3v3 ? BIT(b) : 0);
regmap_write(iod->grf, RK3568_PMU_GRF_IO_VSEL2, val0);
regmap_write(iod->grf, RK3568_PMU_GRF_IO_VSEL2, val1);
break;
case 3: /* vccio2 */
break;
case 2: /* vccio1 */
case 4: /* vccio3 */
case 5: /* vccio4 */
case 6: /* vccio5 */
case 7: /* vccio6 */
case 8: /* vccio7 */
b = supply->idx - 1;
val0 = BIT(16 + b) | (is_3v3 ? 0 : BIT(b));
val1 = BIT(16 + b) | (is_3v3 ? BIT(b) : 0);
regmap_write(iod->grf, RK3568_PMU_GRF_IO_VSEL0, val0);
regmap_write(iod->grf, RK3568_PMU_GRF_IO_VSEL1, val1);
break;
default:
return -EINVAL;
};
return 0;
}
static int rockchip_iodomain_write(struct rockchip_iodomain_supply *supply,
int uV)
{
@@ -139,7 +186,7 @@ static int rockchip_iodomain_notify(struct notifier_block *nb,
return NOTIFY_BAD;
}
ret = rockchip_iodomain_write(supply, uV);
ret = supply->iod->write(supply, uV);
if (ret && event == REGULATOR_EVENT_PRE_VOLTAGE_CHANGE)
return NOTIFY_BAD;
@@ -401,6 +448,21 @@ static const struct rockchip_iodomain_soc_data soc_data_rk3399_pmu = {
.init = rk3399_pmu_iodomain_init,
};
static const struct rockchip_iodomain_soc_data soc_data_rk3568_pmu = {
.grf_offset = 0x140,
.supply_names = {
"pmuio1",
"pmuio2",
"vccio1",
"vccio2",
"vccio3",
"vccio4",
"vccio5",
"vccio6",
"vccio7",
},
};
static const struct rockchip_iodomain_soc_data soc_data_rv1108 = {
.grf_offset = 0x404,
.supply_names = {
@@ -488,6 +550,10 @@ static const struct of_device_id rockchip_iodomain_match[] = {
.compatible = "rockchip,rk3399-pmu-io-voltage-domain",
.data = &soc_data_rk3399_pmu
},
{
.compatible = "rockchip,rk3568-pmu-io-voltage-domain",
.data = &soc_data_rk3568_pmu
},
{
.compatible = "rockchip,rv1108-io-voltage-domain",
.data = &soc_data_rv1108
@@ -525,6 +591,11 @@ static int rockchip_iodomain_probe(struct platform_device *pdev)
match = of_match_node(rockchip_iodomain_match, np);
iod->soc_data = match->data;
if (match->data == &soc_data_rk3568_pmu)
iod->write = rk3568_pmu_iodomain_write;
else
iod->write = rockchip_iodomain_write;
parent = pdev->dev.parent;
if (parent && parent->of_node) {
iod->grf = syscon_node_to_regmap(parent->of_node);
@@ -585,7 +656,7 @@ static int rockchip_iodomain_probe(struct platform_device *pdev)
supply->reg = reg;
supply->nb.notifier_call = rockchip_iodomain_notify;
ret = rockchip_iodomain_write(supply, uV);
ret = iod->write(supply, uV);
if (ret) {
supply->reg = NULL;
goto unreg_notify;