From: Laurentiu Mihalcea <laurentiumihalcea111@gmail.com>
To: Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Fabio Estevam <festevam@gmail.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
Daniel Baluta <daniel.baluta@nxp.com>,
Shengjiu Wang <shengjiu.wang@nxp.com>,
Frank Li <Frank.Li@nxp.com>
Cc: devicetree@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Pengutronix Kernel Team <kernel@pengutronix.de>
Subject: [PATCH v6 4/5] reset: imx8mp-audiomix: Support i.MX8ULP SIM LPAV
Date: Wed, 26 Nov 2025 04:42:17 -0800 [thread overview]
Message-ID: <20251126124218.803-5-laurentiumihalcea111@gmail.com> (raw)
In-Reply-To: <20251126124218.803-1-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
next prev parent reply other threads:[~2025-11-26 12:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-26 12:42 [PATCH v6 0/5] Add support for i.MX8ULP's SIM LPAV Laurentiu Mihalcea
2025-11-26 12:42 ` [PATCH v6 1/5] reset: imx8mp-audiomix: Drop unneeded macros Laurentiu Mihalcea
2025-11-26 12:42 ` [PATCH v6 2/5] reset: imx8mp-audiomix: Switch to using regmap API Laurentiu Mihalcea
2025-11-26 12:42 ` [PATCH v6 3/5] reset: imx8mp-audiomix: Extend the driver usage Laurentiu Mihalcea
2025-11-26 12:50 ` Philipp Zabel
2025-11-26 12:42 ` Laurentiu Mihalcea [this message]
2025-11-26 12:42 ` [PATCH v6 5/5] arm64: dts: imx8ulp: add sim lpav node Laurentiu Mihalcea
2025-12-29 13:09 ` Shawn Guo
2025-12-17 9:38 ` [PATCH v6 0/5] Add support for i.MX8ULP's SIM LPAV Laurentiu Mihalcea
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