]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
reset: imx8mp-audiomix: Support i.MX8ULP SIM LPAV
authorLaurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Wed, 26 Nov 2025 12:42:17 +0000 (04:42 -0800)
committerPhilipp Zabel <p.zabel@pengutronix.de>
Sat, 24 Jan 2026 15:22:49 +0000 (16:22 +0100)
Support i.MX8ULP's SIM LPAV by adding its reset map definition.

Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
drivers/reset/reset-imx8mp-audiomix.c

index 00eee528a2d23ee59aa8ab9c996c8a138eabc5b2..b7fa3110f282ad899f4404d22e960f7d4ea4aebe 100644 (file)
@@ -3,6 +3,7 @@
  * Copyright 2024 NXP
  */
 
+#include <dt-bindings/reset/fsl,imx8ulp-sim-lpav.h>
 #include <dt-bindings/reset/imx8mp-reset-audiomix.h>
 
 #include <linux/auxiliary_bus.h>
@@ -18,6 +19,8 @@
 #define IMX8MP_AUDIOMIX_EARC_RESET_OFFSET      0x200
 #define IMX8MP_AUDIOMIX_DSP_RUNSTALL_OFFSET    0x108
 
+#define IMX8ULP_SIM_LPAV_SYSCTRL0_OFFSET       0x8
+
 struct imx8mp_reset_map {
        unsigned int offset;
        unsigned int mask;
@@ -52,6 +55,44 @@ 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;
        struct regmap *regmap;
@@ -182,6 +223,10 @@ 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);