[PATCH 6/7] reset: imx8mp-audiomix: Support i.MX8ULP SIM LPAV
From: Laurentiu Mihalcea <hidden>
Date: 2025-08-04 15:55:26
Also in:
imx, linux-clk, linux-devicetree, lkml
Subsystem:
reset controller framework, the rest · Maintainers:
Philipp Zabel, Linus Torvalds
From: Laurentiu Mihalcea <redacted> Support i.MX8ULP's SIM LPAV by adding its reset map definition. Signed-off-by: Laurentiu Mihalcea <redacted> --- drivers/reset/reset-imx8mp-audiomix.c | 45 +++++++++++++++++++++++++++ 1 file changed, 45 insertions(+)
diff --git a/drivers/reset/reset-imx8mp-audiomix.c b/drivers/reset/reset-imx8mp-audiomix.c
index a3d0bd823272..2ab701ef1c30 100644
--- a/drivers/reset/reset-imx8mp-audiomix.c
+++ b/drivers/reset/reset-imx8mp-audiomix.c@@ -4,6 +4,7 @@ */ #include <dt-bindings/reset/imx8mp-reset-audiomix.h> +#include <dt-bindings/reset/imx8ulp-reset-sim-lpav.h> #include <linux/auxiliary_bus.h> #include <linux/device.h>
@@ -20,6 +21,8 @@ #define IMX8MP_AUDIOMIX_DSP_RUNSTALL_OFFSET 0x108 #define IMX8MP_AUDIOMIX_DSP_RUNSTALL_MASK BIT(5) +#define IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET 0x8 + struct imx8mp_reset_map { unsigned int offset; unsigned int mask;
@@ -54,6 +57,44 @@ static const struct imx8mp_reset_info imx8mp_reset_info = { .num_lines = ARRAY_SIZE(imx8mp_reset_map), }; +static const struct imx8mp_reset_map imx8ulp_reset_map[] = { + [IMX8ULP_SIM_LPAV_HIFI4_DSP_DBG_RST] = { + .offset = IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET, + .mask = BIT(25), + .active_low = false, + }, + [IMX8ULP_SIM_LPAV_HIFI4_DSP_RST] = { + .offset = IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET, + .mask = BIT(16), + .active_low = false, + }, + [IMX8ULP_SIM_LPAV_HIFI4_DSP_STALL] = { + .offset = IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET, + .mask = BIT(13), + .active_low = false, + }, + [IMX8ULP_SIM_LPAV_DSI_RST_BYTE_N] = { + .offset = IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET, + .mask = BIT(5), + .active_low = true, + }, + [IMX8ULP_SIM_LPAV_DSI_RST_ESC_N] = { + .offset = IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET, + .mask = BIT(4), + .active_low = true, + }, + [IMX8ULP_SIM_LPAV_DSI_RST_DPI_N] = { + .offset = IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET, + .mask = BIT(3), + .active_low = true, + }, +}; + +static const struct imx8mp_reset_info imx8ulp_reset_info = { + .map = imx8ulp_reset_map, + .num_lines = ARRAY_SIZE(imx8ulp_reset_map), +}; + struct imx8mp_audiomix_reset { struct reset_controller_dev rcdev; spinlock_t lock; /* protect register read-modify-write cycle */
@@ -159,6 +200,10 @@ static const struct auxiliary_device_id imx8mp_audiomix_reset_ids[] = { .name = "clk_imx8mp_audiomix.reset", .driver_data = (kernel_ulong_t)&imx8mp_reset_info, }, + { + .name = "clk_imx8ulp_sim_lpav.reset", + .driver_data = (kernel_ulong_t)&imx8ulp_reset_info, + }, { } }; MODULE_DEVICE_TABLE(auxiliary, imx8mp_audiomix_reset_ids);
--
2.34.1