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diff --git a/sys/arm64/rockchip/rk_iodomain.c b/sys/arm64/rockchip/rk_iodomain.c
--- a/sys/arm64/rockchip/rk_iodomain.c
+++ b/sys/arm64/rockchip/rk_iodomain.c
@@ -46,6 +46,17 @@
#define RK3288_GRF_IO_VSEL 0x380
#define RK3399_GRF_IO_VSEL 0xe640
#define RK3399_PMUGRF_SOC_CON0 0x180
+#define RK3568_PMUGRF_IO_VSEL0 0x0140
+#define RK3568_PMUGRF_IO_VSEL1 0x0144
+#define RK3568_PMUGRF_IO_VSEL2 0x0148
+
+#define MAX_1V8 1850000
+
+enum rk_iodomain_type {
+ RK3328 = 1,
+ RK3399,
+ RK3568,
+};
struct rk_iodomain_supply {
char *name;
@@ -59,6 +70,7 @@
int nsupply;
uint32_t grf_reg;
void (*init)(struct rk_iodomain_softc *sc);
+ enum rk_iodomain_type type;
};
struct rk_iodomain_softc {
@@ -85,6 +97,7 @@
.supply = rk3288_supply,
.nsupply = nitems(rk3288_supply),
.grf_reg = RK3288_GRF_IO_VSEL,
+ .type = RK3328,
};
static struct rk_iodomain_supply rk3399_supply[] = {
@@ -98,6 +111,7 @@
.supply = rk3399_supply,
.nsupply = nitems(rk3399_supply),
.grf_reg = RK3399_GRF_IO_VSEL,
+ .type = RK3399,
};
static struct rk_iodomain_supply rk3399_pmu_supply[] = {
@@ -110,12 +124,31 @@
.nsupply = nitems(rk3399_pmu_supply),
.grf_reg = RK3399_PMUGRF_SOC_CON0,
.init = rk3399_pmu_init,
+ .type = RK3399,
+};
+
+static struct rk_iodomain_supply rk3568_pmu_supply[] = {
+ {"pmuio1-supply", 0},
+ {"pmuio2-supply", 1},
+ {"vccio1-supply", 1},
+ {"vccio2-supply", 2},
+ {"vccio3-supply", 3},
+ {"vccio4-supply", 4},
+ {"vccio5-supply", 5},
+ {"vccio6-supply", 6},
+ {"vccio7-supply", 7},
+};
+static struct rk_iodomain_conf rk3568_pmu_conf = {
+ .supply = rk3568_pmu_supply,
+ .nsupply = nitems(rk3568_pmu_supply),
+ .type = RK3568,
};
static struct ofw_compat_data compat_data[] = {
{"rockchip,rk3288-io-voltage-domain", (uintptr_t)&rk3288_conf},
{"rockchip,rk3399-io-voltage-domain", (uintptr_t)&rk3399_conf},
{"rockchip,rk3399-pmu-io-voltage-domain", (uintptr_t)&rk3399_pmu_conf},
+ {"rockchip,rk3568-pmu-io-voltage-domain", (uintptr_t)&rk3568_pmu_conf},
{NULL, 0}
};
@@ -136,24 +169,70 @@
int uvolt, i;
for (i = 0; i < sc->conf->nsupply; i++) {
- mask |= (1 << sc->conf->supply[i].bit) << 16;
if (regulator_get_by_ofw_property(sc->dev, sc->node,
- sc->conf->supply[i].name, &supply) == 0) {
- if (regulator_get_voltage(supply, &uvolt) == 0) {
- if (uvolt == 1800000)
- reg |= (1 << sc->conf->supply[i].bit);
- else if (uvolt != 3000000)
- device_printf(sc->dev,
- "%s regulator is at %duV, ignoring\n",
- sc->conf->supply[i].name, uvolt);
- } else
- device_printf(sc->dev, "Cannot get current "
- "voltage for regulator %s\n",
- sc->conf->supply[i].name);
+ sc->conf->supply[i].name, &supply) != 0)
+ goto end;
+
+ if (regulator_get_voltage(supply, &uvolt) != 0) {
+ device_printf(sc->dev,
+ "Cannot get current voltage for regulator %s\n",
+ sc->conf->supply[i].name);
+ goto end;
}
- }
- SYSCON_WRITE_4(sc->grf, sc->conf->grf_reg, reg | mask);
+ if (sc->conf->type != RK3568) {
+ /* RK3328 and RK3399 iodomain */
+ mask |= (1 << sc->conf->supply[i].bit) << 16;
+ if (uvolt == 1800000)
+ reg |= (1 << sc->conf->supply[i].bit);
+ else if (uvolt != 3000000)
+ device_printf(sc->dev,
+ "%s regulator is at %duV, ignoring\n",
+ sc->conf->supply[i].name, uvolt);
+ } else {
+ /* RK3568 iodomain */
+ if (bootverbose) {
+ device_printf(sc->dev,
+ "Setting regulator %s voltage=%duV\n",
+ sc->conf->supply[i].name, uvolt);
+ }
+ switch(i) {
+ case 0: /* pmuio1 */
+ break;
+ case 1: /* pmuio2 */
+ SYSCON_WRITE_4(sc->grf, RK3568_PMUGRF_IO_VSEL2,
+ (1 << (sc->conf->supply[i].bit + 16)) |
+ (uvolt > MAX_1V8 ?
+ 0 : 1 << sc->conf->supply[i].bit));
+ SYSCON_WRITE_4(sc->grf, RK3568_PMUGRF_IO_VSEL2,
+ (1 << (sc->conf->supply[i].bit + 4 + 16)) |
+ (uvolt > MAX_1V8 ?
+ 1 << (sc->conf->supply[i].bit + 4) : 0));
+ case 3: /* vccio2 */
+ break;
+ case 2: /* vccio1 */
+ case 4: /* vccio3 */
+ case 5: /* vccio4 */
+ case 6: /* vccio5 */
+ case 7: /* vccio6 */
+ case 8: /* vccio7 */
+ SYSCON_WRITE_4(sc->grf, RK3568_PMUGRF_IO_VSEL0,
+ (1 << (sc->conf->supply[i].bit - 1 + 16)) |
+ (uvolt > MAX_1V8 ?
+ 0 : 1 << (sc->conf->supply[i].bit - 1)));
+ SYSCON_WRITE_4(sc->grf, RK3568_PMUGRF_IO_VSEL1,
+ (1 << (sc->conf->supply[i].bit - 1 + 16)) |
+ (uvolt > MAX_1V8 ?
+ 1 << (sc->conf->supply[i].bit - 1) : 0));
+ break;
+ default:
+ device_printf(sc->dev, "Index out of range\n");
+ }
+ }
+ }
+end:
+ if (sc->conf->type != RK3568)
+ SYSCON_WRITE_4(sc->grf, sc->conf->grf_reg, reg | mask);
if (sc->conf->init != NULL)
sc->conf->init(sc);
}

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