[PATCH v3 7/8] reset: imx8mp-audiomix: Add support for DSP run/stall

[Daniel Baluta]

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.bal...@nxp.com>
Reviewed-by: Frank Li <frank...@nxp.com>
---
 drivers/reset/reset-imx8mp-audiomix.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/reset/reset-imx8mp-audiomix.c 
b/drivers/reset/reset-imx8mp-audiomix.c
index 558da232ed8e..6e0bc477778c 100644
--- a/drivers/reset/reset-imx8mp-audiomix.c
+++ b/drivers/reset/reset-imx8mp-audiomix.c
@@ -17,6 +17,9 @@
 #define IMX8MP_AUDIOMIX_EARC_RESET_MASK                BIT(1)
 #define IMX8MP_AUDIOMIX_EARC_PHY_RESET_MASK    BIT(2)
 
+#define IMX8MP_AUDIOMIX_DSP_OFFSET             0x108
+#define IMX8MP_AUDIOMIX_DSP_RUNSTALL_MASK      BIT(5)
+
 struct imx8mp_reset_map {
        unsigned int offset;
        unsigned int mask;
@@ -34,6 +37,11 @@ static const struct imx8mp_reset_map reset_map[] = {
                .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 {
-- 
2.43.0