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 2/8] dt-bindings: clock: document 8ULP's SIM LPAV
Date: Tue, 4 Nov 2025 04:02:55 -0800 [thread overview]
Message-ID: <20251104120301.913-3-laurentiumihalcea111@gmail.com> (raw)
In-Reply-To: <20251104120301.913-1-laurentiumihalcea111@gmail.com>
From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
Add documentation for i.MX8ULP's SIM LPAV module.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
---
.../bindings/clock/fsl,imx8ulp-sim-lpav.yaml | 72 +++++++++++++++++++
include/dt-bindings/clock/imx8ulp-clock.h | 5 ++
.../dt-bindings/reset/fsl,imx8ulp-sim-lpav.h | 16 +++++
3 files changed, 93 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/fsl,imx8ulp-sim-lpav.yaml
create mode 100644 include/dt-bindings/reset/fsl,imx8ulp-sim-lpav.h
diff --git a/Documentation/devicetree/bindings/clock/fsl,imx8ulp-sim-lpav.yaml b/Documentation/devicetree/bindings/clock/fsl,imx8ulp-sim-lpav.yaml
new file mode 100644
index 000000000000..662e07528d76
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/fsl,imx8ulp-sim-lpav.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/fsl,imx8ulp-sim-lpav.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX8ULP LPAV System Integration Module (SIM)
+
+maintainers:
+ - Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
+
+description:
+ The i.MX8ULP LPAV subsystem contains a block control module known as
+ SIM LPAV, which offers functionalities such as clock gating or reset
+ line assertion/de-assertion.
+
+properties:
+ compatible:
+ const: fsl,imx8ulp-sim-lpav
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 3
+
+ clock-names:
+ items:
+ - const: bus
+ - const: core
+ - const: plat
+
+ '#clock-cells':
+ const: 1
+
+ '#reset-cells':
+ const: 1
+
+ mux-controller:
+ $ref: /schemas/mux/reg-mux.yaml#
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - '#clock-cells'
+ - '#reset-cells'
+ - mux-controller
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8ulp-clock.h>
+
+ clock-controller@2da50000 {
+ compatible = "fsl,imx8ulp-sim-lpav";
+ reg = <0x2da50000 0x10000>;
+ clocks = <&cgc2 IMX8ULP_CLK_LPAV_BUS_DIV>,
+ <&cgc2 IMX8ULP_CLK_HIFI_DIVCORE>,
+ <&cgc2 IMX8ULP_CLK_HIFI_DIVPLAT>;
+ clock-names = "bus", "core", "plat";
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+
+ mux-controller {
+ compatible = "reg-mux";
+ #mux-control-cells = <1>;
+ mux-reg-masks = <0x8 0x00000200>;
+ };
+ };
diff --git a/include/dt-bindings/clock/imx8ulp-clock.h b/include/dt-bindings/clock/imx8ulp-clock.h
index 827404fadf5c..c62d84d093a9 100644
--- a/include/dt-bindings/clock/imx8ulp-clock.h
+++ b/include/dt-bindings/clock/imx8ulp-clock.h
@@ -255,4 +255,9 @@
#define IMX8ULP_CLK_PCC5_END 56
+/* LPAV SIM */
+#define IMX8ULP_CLK_SIM_LPAV_HIFI_CORE 0
+#define IMX8ULP_CLK_SIM_LPAV_HIFI_PBCLK 1
+#define IMX8ULP_CLK_SIM_LPAV_HIFI_PLAT 2
+
#endif
diff --git a/include/dt-bindings/reset/fsl,imx8ulp-sim-lpav.h b/include/dt-bindings/reset/fsl,imx8ulp-sim-lpav.h
new file mode 100644
index 000000000000..adf95bb26d21
--- /dev/null
+++ b/include/dt-bindings/reset/fsl,imx8ulp-sim-lpav.h
@@ -0,0 +1,16 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright 2025 NXP
+ */
+
+#ifndef DT_BINDING_RESET_IMX8ULP_SIM_LPAV_H
+#define DT_BINDING_RESET_IMX8ULP_SIM_LPAV_H
+
+#define IMX8ULP_SIM_LPAV_HIFI4_DSP_DBG_RST 0
+#define IMX8ULP_SIM_LPAV_HIFI4_DSP_RST 1
+#define IMX8ULP_SIM_LPAV_HIFI4_DSP_STALL 2
+#define IMX8ULP_SIM_LPAV_DSI_RST_BYTE_N 3
+#define IMX8ULP_SIM_LPAV_DSI_RST_ESC_N 4
+#define IMX8ULP_SIM_LPAV_DSI_RST_DPI_N 5
+
+#endif /* DT_BINDING_RESET_IMX8ULP_SIM_LPAV_H */
--
2.43.0
next prev parent reply other threads:[~2025-11-04 12:04 UTC|newest]
Thread overview: 18+ 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 ` Laurentiu Mihalcea [this message]
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 ` [PATCH v4 7/8] reset: imx8mp-audiomix: Support i.MX8ULP SIM LPAV Laurentiu Mihalcea
2025-11-04 12:03 ` [PATCH v4 8/8] arm64: dts: imx8ulp: add sim lpav node Laurentiu Mihalcea
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