From: Laurentiu Mihalcea <laurentiumihalcea111@gmail.com>
To: Philipp Zabel <p.zabel@pengutronix.de>,
Shawn Guo <shawnguo@kernel.org>,
Fabio Estevam <festevam@gmail.com>,
Daniel Baluta <daniel.baluta@nxp.com>,
Frank Li <Frank.Li@nxp.com>
Cc: imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Pengutronix Kernel Team <kernel@pengutronix.de>
Subject: [PATCH v7 4/4] reset: imx8mp-audiomix: Support i.MX8ULP SIM LPAV
Date: Mon, 26 Jan 2026 08:22:03 -0800 [thread overview]
Message-ID: <20260126162203.708-5-laurentiumihalcea111@gmail.com> (raw)
In-Reply-To: <20260126162203.708-1-laurentiumihalcea111@gmail.com>
From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
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>
---
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 00eee528a2d2..b7fa3110f282 100644
--- a/drivers/reset/reset-imx8mp-audiomix.c
+++ b/drivers/reset/reset-imx8mp-audiomix.c
@@ -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);
--
2.43.0
prev parent reply other threads:[~2026-01-26 16:22 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-26 16:21 [PATCH v7 0/4] Add support for i.MX8ULP's " Laurentiu Mihalcea
2026-01-26 16:22 ` [PATCH v7 1/4] reset: imx8mp-audiomix: Drop unneeded macros Laurentiu Mihalcea
2026-01-26 16:22 ` [PATCH v7 2/4] reset: imx8mp-audiomix: Switch to using regmap API Laurentiu Mihalcea
2026-01-27 7:25 ` Daniel Baluta
2026-01-26 16:22 ` [PATCH v7 3/4] reset: imx8mp-audiomix: Extend the driver usage Laurentiu Mihalcea
2026-01-26 16:22 ` Laurentiu Mihalcea [this message]
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