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From: Laurentiu Mihalcea <laurentiumihalcea111@gmail.com>
To: Abel Vesa <abelvesa@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	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: linux-clk@vger.kernel.org, imx@lists.linux.dev,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Pengutronix Kernel Team <kernel@pengutronix.de>
Subject: [PATCH v4 7/8] reset: imx8mp-audiomix: Support i.MX8ULP SIM LPAV
Date: Tue,  4 Nov 2025 04:03:00 -0800	[thread overview]
Message-ID: <20251104120301.913-8-laurentiumihalcea111@gmail.com> (raw)
In-Reply-To: <20251104120301.913-1-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>
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 745b7e22b954..af8d585d6c18 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>
@@ -17,6 +18,8 @@
 #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;
@@ -51,6 +54,44 @@ 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;
@@ -179,6 +220,10 @@ 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


  parent reply	other threads:[~2025-11-04 12:04 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-04 12:02 [PATCH v4 0/8] Add support for i.MX8ULP's SIM LPAV Laurentiu Mihalcea
2025-11-04 12:02 ` [PATCH v4 1/8] reset: imx8mp-audiomix: Fix bad mask values Laurentiu Mihalcea
2025-11-05 15:16   ` Philipp Zabel
2025-11-04 12:02 ` [PATCH v4 2/8] dt-bindings: clock: document 8ULP's SIM LPAV Laurentiu Mihalcea
2025-11-04 12:02 ` [PATCH v4 3/8] clk: imx: add driver for imx8ulp's sim lpav Laurentiu Mihalcea
2025-11-04 12:45   ` Peng Fan
2025-11-05  9:36   ` Daniel Baluta
2025-11-04 12:02 ` [PATCH v4 4/8] reset: imx8mp-audiomix: Drop unneeded macros Laurentiu Mihalcea
2025-11-05 15:10   ` Philipp Zabel
2025-11-04 12:02 ` [PATCH v4 5/8] reset: imx8mp-audiomix: Switch to using regmap API Laurentiu Mihalcea
2025-11-04 16:44   ` Frank Li
2025-11-05 11:53     ` Laurentiu Mihalcea
2025-11-05 15:23       ` Frank Li
2025-11-05 15:10   ` Philipp Zabel
2025-11-04 12:02 ` [PATCH v4 6/8] reset: imx8mp-audiomix: Extend the driver usage Laurentiu Mihalcea
2025-11-04 16:46   ` Frank Li
2025-11-04 12:03 ` Laurentiu Mihalcea [this message]
2025-11-04 12:03 ` [PATCH v4 8/8] arm64: dts: imx8ulp: add sim lpav node Laurentiu Mihalcea
2025-11-11 16:05 ` [PATCH v4 0/8] Add support for i.MX8ULP's SIM LPAV Abel Vesa
2025-11-11 16:10   ` Abel Vesa

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