We can Run/Stall the DSP via audio block control bits found in audiomix.
Implement this functionality using the reset controller and use assert
for Stall and deassert for Run.
Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxx>
---
drivers/reset/reset-imx8mp-audiomix.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/drivers/reset/reset-imx8mp-audiomix.c b/drivers/reset/reset-imx8mp-audiomix.c
index 8cc0a6b58cbc..ee56d52a7278 100644
--- a/drivers/reset/reset-imx8mp-audiomix.c
+++ b/drivers/reset/reset-imx8mp-audiomix.c
@@ -15,10 +15,14 @@
#define IMX8MP_AUDIOMIX_EARC_RESET_MASK 0x1
#define IMX8MP_AUDIOMIX_EARC_PHY_RESET_MASK 0x2
+#define IMX8MP_AUDIOMIX_DSP_OFFSET 0x108
+#define IMX8MP_AUDIOMIX_DSP_RUNSTALL_MASK 0x20
+
#define IMX8MP_AUDIOMIX_EARC 0
#define IMX8MP_AUDIOMIX_EARC_PHY 1
+#define IMX8MP_AUDIOMIX_DSP 2
-#define IMX8MP_AUDIOMIX_RESET_NUM 2
+#define IMX8MP_AUDIOMIX_RESET_NUM 3
struct imx8mp_reset_map {
unsigned int offset;
@@ -37,7 +41,11 @@ static const struct imx8mp_reset_map reset_map[IMX8MP_AUDIOMIX_RESET_NUM] = {
.mask = IMX8MP_AUDIOMIX_EARC_PHY_RESET_MASK,
.active_low = true,
},
-
+ [IMX8MP_AUDIOMIX_DSP] = {
+ .offset = IMX8MP_AUDIOMIX_DSP_OFFSET,
+ .mask = IMX8MP_AUDIOMIX_DSP_RUNSTALL_MASK,
+ .active_low = false,
+ },
};
struct imx8mp_audiomix_reset {
--
2.25.1
