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Wed, 26 Nov 2025 04:43:08 -0800 (PST) Received: from SMW024614.wbi.nxp.com ([128.77.115.157]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-64536459d92sm17654824a12.31.2025.11.26.04.43.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Nov 2025 04:43:07 -0800 (PST) From: Laurentiu Mihalcea To: Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Fabio Estevam , Philipp Zabel , Daniel Baluta , Shengjiu Wang , Frank Li Cc: devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Pengutronix Kernel Team Subject: [PATCH v6 4/5] reset: imx8mp-audiomix: Support i.MX8ULP SIM LPAV Date: Wed, 26 Nov 2025 04:42:17 -0800 Message-ID: <20251126124218.803-5-laurentiumihalcea111@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251126124218.803-1-laurentiumihalcea111@gmail.com> References: <20251126124218.803-1-laurentiumihalcea111@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251126_044310_200800_B1AF3C4C X-CRM114-Status: GOOD ( 12.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Laurentiu Mihalcea Support i.MX8ULP's SIM LPAV by adding its reset map definition. Reviewed-by: Daniel Baluta Reviewed-by: Frank Li Reviewed-by: Philipp Zabel Signed-off-by: Laurentiu Mihalcea --- 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 #include #include @@ -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