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Mon, 04 Aug 2025 08:55:24 -0700 (PDT) From: Laurentiu Mihalcea To: Abel Vesa , Peng Fan , Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Fabio Estevam , Philipp Zabel 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 Subject: [PATCH 6/7] reset: imx8mp-audiomix: Support i.MX8ULP SIM LPAV Date: Mon, 4 Aug 2025 11:54:06 -0400 Message-Id: <20250804155407.285353-7-laurentiumihalcea111@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250804155407.285353-1-laurentiumihalcea111@gmail.com> References: <20250804155407.285353-1-laurentiumihalcea111@gmail.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Laurentiu Mihalcea Support i.MX8ULP's SIM LPAV by adding its reset map definition. 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 a3d0bd823272..2ab701ef1c30 100644 --- a/drivers/reset/reset-imx8mp-audiomix.c +++ b/drivers/reset/reset-imx8mp-audiomix.c @@ -4,6 +4,7 @@ */ #include +#include #include #include @@ -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