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-rwxr-xr-x[-rw-r--r--]drivers/power/avs/rockchip-io-domain.c58
1 files changed, 58 insertions, 0 deletions
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);