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-rw-r--r--drivers/reset/sti/reset-stih407.c5
-rw-r--r--drivers/reset/sti/reset-syscfg.c27
2 files changed, 31 insertions, 1 deletions
diff --git a/drivers/reset/sti/reset-stih407.c b/drivers/reset/sti/reset-stih407.c
index 827eb3dae..6fb22af99 100644
--- a/drivers/reset/sti/reset-stih407.c
+++ b/drivers/reset/sti/reset-stih407.c
@@ -52,6 +52,7 @@ static const struct syscfg_reset_channel_data stih407_powerdowns[] = {
};
/* Reset Generator control 0/1 */
+#define SYSCFG_5128 0x200
#define SYSCFG_5131 0x20c
#define SYSCFG_5132 0x210
@@ -96,6 +97,10 @@ static const struct syscfg_reset_channel_data stih407_softresets[] = {
[STIH407_ERAM_HVA_SOFTRESET] = STIH407_SRST_CORE(SYSCFG_5132, 1),
[STIH407_LPM_SOFTRESET] = STIH407_SRST_SBC(SYSCFG_4002, 2),
[STIH407_KEYSCAN_SOFTRESET] = STIH407_SRST_LPM(LPM_SYSCFG_1, 8),
+ [STIH407_ST231_AUD_SOFTRESET] = STIH407_SRST_CORE(SYSCFG_5131, 26),
+ [STIH407_ST231_DMU_SOFTRESET] = STIH407_SRST_CORE(SYSCFG_5131, 27),
+ [STIH407_ST231_GP0_SOFTRESET] = STIH407_SRST_CORE(SYSCFG_5131, 28),
+ [STIH407_ST231_GP1_SOFTRESET] = STIH407_SRST_CORE(SYSCFG_5128, 2),
};
/* PicoPHY reset/control */
diff --git a/drivers/reset/sti/reset-syscfg.c b/drivers/reset/sti/reset-syscfg.c
index a145cc066..1600cc755 100644
--- a/drivers/reset/sti/reset-syscfg.c
+++ b/drivers/reset/sti/reset-syscfg.c
@@ -103,17 +103,42 @@ static int syscfg_reset_deassert(struct reset_controller_dev *rcdev,
static int syscfg_reset_dev(struct reset_controller_dev *rcdev,
unsigned long idx)
{
- int err = syscfg_reset_assert(rcdev, idx);
+ int err;
+
+ err = syscfg_reset_assert(rcdev, idx);
if (err)
return err;
return syscfg_reset_deassert(rcdev, idx);
}
+static int syscfg_reset_status(struct reset_controller_dev *rcdev,
+ unsigned long idx)
+{
+ struct syscfg_reset_controller *rst = to_syscfg_reset_controller(rcdev);
+ const struct syscfg_reset_channel *ch;
+ u32 ret_val = 0;
+ int err;
+
+ if (idx >= rcdev->nr_resets)
+ return -EINVAL;
+
+ ch = &rst->channels[idx];
+ if (ch->ack)
+ err = regmap_field_read(ch->ack, &ret_val);
+ else
+ err = regmap_field_read(ch->reset, &ret_val);
+ if (err)
+ return err;
+
+ return rst->active_low ? !ret_val : !!ret_val;
+}
+
static struct reset_control_ops syscfg_reset_ops = {
.reset = syscfg_reset_dev,
.assert = syscfg_reset_assert,
.deassert = syscfg_reset_deassert,
+ .status = syscfg_reset_status,
};
static int syscfg_reset_controller_register(struct device *dev,