[PATCH v4 04/16] dt-bindings: soc: imx: fsl,imx-anatop: add binding

Sebastian Reichel
2024-02-24T21:33:13Z

Add missing binding for i.MX anatop syscon.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
---
.../bindings/soc/imx/fsl,imx-anatop.yaml | 128 ++++++++++++++++++
1 file changed, 128 insertions(+)
create mode 100644 Documentation/devicetree/bindings/soc/imx/fsl,imx-anatop.yaml

diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx-anatop.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx-anatop.yaml
new file mode 100644
index 000000000000..5a59e3470510
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx-anatop.yaml
@@ -0,0 +1,128 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/imx/fsl,imx-anatop.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ANATOP register
+
+maintainers:
+ - Shawn Guo <shawnguo@kernel.org>
+ - Sascha Hauer <s.hauer@pengutronix.de>
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - fsl,imx6sl-anatop
+ - fsl,imx6sll-anatop
+ - fsl,imx6sx-anatop
+ - fsl,imx6ul-anatop
+ - fsl,imx7d-anatop
+ - const: fsl,imx6q-anatop
+ - const: syscon
+ - const: simple-mfd
+ - items:
+ - const: fsl,imx6q-anatop
+ - const: syscon
+ - const: simple-mfd
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ items:
+ - description: Temperature sensor event
+ - description: Brown-out event on either of the support regulators
+ - description: Brown-out event on either the core, gpu or soc regulators
+
+ tempmon:
+ type: object
+ unevaluatedProperties: false
+ $ref: /schemas/thermal/imx-thermal.yaml
+
+patternProperties:
+ "regulator-((3p0)|(vddcore)|(vddsoc))$":
+ type: object
+ unevaluatedProperties: false
+ $ref: /schemas/regulator/anatop-regulator.yaml
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx6ul-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ anatop: anatop@20c8000 {
+ compatible = "fsl,imx6ul-anatop", "fsl,imx6q-anatop",
+ "syscon", "simple-mfd";
+ reg = <0x020c8000 0x1000>;
+ interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;
+
+ reg_3p0: regulator-3p0 {
+ compatible = "fsl,anatop-regulator";
+ regulator-name = "vdd3p0";
+ regulator-min-microvolt = <2625000>;
+ regulator-max-microvolt = <3400000>;
+ anatop-reg-offset = <0x120>;
+ anatop-vol-bit-shift = <8>;
+ anatop-vol-bit-width = <5>;
+ anatop-min-bit-val = <0>;
+ anatop-min-voltage = <2625000>;
+ anatop-max-voltage = <3400000>;
+ anatop-enable-bit = <0>;
+ };
+
+ reg_arm: regulator-vddcore {
+ compatible = "fsl,anatop-regulator";
+ regulator-name = "cpu";
+ regulator-min-microvolt = <725000>;
+ regulator-max-microvolt = <1450000>;
+ regulator-always-on;
+ anatop-reg-offset = <0x140>;
+ anatop-vol-bit-shift = <0>;
+ anatop-vol-bit-width = <5>;
+ anatop-delay-reg-offset = <0x170>;
+ anatop-delay-bit-shift = <24>;
+ anatop-delay-bit-width = <2>;
+ anatop-min-bit-val = <1>;
+ anatop-min-voltage = <725000>;
+ anatop-max-voltage = <1450000>;
+ };
+
+ reg_soc: regulator-vddsoc {
+ compatible = "fsl,anatop-regulator";
+ regulator-name = "vddsoc";
+ regulator-min-microvolt = <725000>;
+ regulator-max-microvolt = <1450000>;
+ regulator-always-on;
+ anatop-reg-offset = <0x140>;
+ anatop-vol-bit-shift = <18>;
+ anatop-vol-bit-width = <5>;
+ anatop-delay-reg-offset = <0x170>;
+ anatop-delay-bit-shift = <28>;
+ anatop-delay-bit-width = <2>;
+ anatop-min-bit-val = <1>;
+ anatop-min-voltage = <725000>;
+ anatop-max-voltage = <1450000>;
+ };
+
+ tempmon: tempmon {
+ compatible = "fsl,imx6ul-tempmon", "fsl,imx6sx-tempmon";
+ interrupt-parent = <&gpc>;
+ interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>;
+ fsl,tempmon = <&anatop>;
+ nvmem-cells = <&tempmon_calib>, <&tempmon_temp_grade>;
+ nvmem-cell-names = "calib", "temp_grade";
+ clocks = <&clks IMX6UL_CLK_PLL3_USB_OTG>;
+ #thermal-sensor-cells = <0>;
+ };
+ };
--
2.43.0