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Message-Id: <20250804155407.285353-7-laurentiumihalcea111@gmail.com>
Date: Mon, 4 Aug 2025 11:54:06 -0400
From: Laurentiu Mihalcea <laurentiumihalcea111@...il.com>
To: Abel Vesa <abelvesa@...nel.org>,
Peng Fan <peng.fan@....com>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Shawn Guo <shawnguo@...nel.org>,
Fabio Estevam <festevam@...il.com>,
Philipp Zabel <p.zabel@...gutronix.de>
Cc: linux-clk@...r.kernel.org,
imx@...ts.linux.dev,
devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org,
Pengutronix Kernel Team <kernel@...gutronix.de>
Subject: [PATCH 6/7] reset: imx8mp-audiomix: Support i.MX8ULP SIM LPAV
From: Laurentiu Mihalcea <laurentiu.mihalcea@....com>
Support i.MX8ULP's SIM LPAV by adding its reset map definition.
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@....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 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
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