[PATCH v4 2/8] dt-bindings: clock: document 8ULP's SIM LPAV
From: Laurentiu Mihalcea <hidden>
Date: 2025-11-04 12:04:00
Also in:
imx, linux-clk, linux-devicetree, lkml
Subsystem:
common clk framework, nxp i.mx clock drivers, open firmware and flattened device tree bindings, reset controller framework, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Abel Vesa, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Philipp Zabel, Linus Torvalds
From: Laurentiu Mihalcea <redacted> Add documentation for i.MX8ULP's SIM LPAV module. Reviewed-by: Krzysztof Kozlowski <redacted> Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com> Signed-off-by: Laurentiu Mihalcea <redacted> --- .../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 */
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2.43.0