| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <20241206-pf9453-v1-1-1e4685114271@nxp.com>
Date: Fri, 06 Dec 2024 15:32:40 -0500
From: Frank Li <Frank.Li@....com>
To: Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>,
Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>, Joy Zou <joy.zou@....com>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
imx@...ts.linux.dev, Frank Li <Frank.Li@....com>
Subject: [PATCH 1/2] regulator: dt-bindings: pf9453: add new PMIC PF9453
support
From: Joy Zou <joy.zou@....com>
Support new bindings PMIC PF9453, which is totally difference with existed
PCA9450, so create new file for it.
Signed-off-by: Joy Zou <joy.zou@....com>
Signed-off-by: Frank Li <Frank.Li@....com>
---
.../bindings/regulator/nxp,pf9453-regulator.yaml | 158 +++++++++++++++++++++
1 file changed, 158 insertions(+)
diff --git a/Documentation/devicetree/bindings/regulator/nxp,pf9453-regulator.yaml b/Documentation/devicetree/bindings/regulator/nxp,pf9453-regulator.yaml
new file mode 100644
index 0000000000000..07e9c3d3efdff
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/nxp,pf9453-regulator.yaml
@@ -0,0 +1,158 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/nxp,pf9453-regulator.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP PF9453 Power Management Integrated Circuit regulators
+
+maintainers:
+ - Joy Zou <joy.zou@....com>
+
+properties:
+ compatible:
+ enum:
+ - nxp,pf9453
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ regulators:
+ type: object
+ description: list of regulators provided by this controller
+
+ patternProperties:
+ "^LDO(1|2|_SNVS)$":
+ type: object
+ $ref: regulator.yaml#
+ description:
+ Properties for single LDO regulator.
+ unevaluatedProperties: false
+
+ "^BUCK[1-4]$":
+ type: object
+ $ref: regulator.yaml#
+ description:
+ Properties for single BUCK regulator.
+ unevaluatedProperties: false
+
+ properties:
+ nxp,dvs-run-voltage:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 600000
+ maximum: 2187500
+ description:
+ PMIC default "RUN" state voltage in uV. Only Buck2 have such
+ dvs(dynamic voltage scaling) property.
+
+ nxp,dvs-standby-voltage:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 600000
+ maximum: 2187500
+ description:
+ PMIC default "STANDBY" state voltage in uV. Only Buck2 have such
+ dvs(dynamic voltage scaling) property.
+
+ additionalProperties: false
+
+ sd-vsel-gpios:
+ description:
+ GPIO that is used to switch LDO5 between being configured by LDO5CTRL_L
+ or LDO5CTRL_H register. Use this if the SD_VSEL signal is connected to
+ a host GPIO.
+
+ nxp,i2c-lt-enable:
+ type: boolean
+ description:
+ Indicates that the I2C Level Translator is used.
+
+ nxp,wdog_b-warm-reset:
+ type: boolean
+ description:
+ When WDOG_B signal is asserted a warm reset will be done instead of cold
+ reset.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - regulators
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ pmic@32 {
+ compatible = "nxp,pf9453";
+ reg = <0x32>;
+ interrupt-parent = <&pcal6524>;
+ interrupts = <11 IRQ_TYPE_EDGE_FALLING>;
+
+ regulators {
+ BUCK1 {
+ regulator-name = "BUCK1";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <3775000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ BUCK2 {
+ regulator-name = "BUCK2";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <2187500>;
+ regulator-boot-on;
+ regulator-always-on;
+ regulator-ramp-delay = <12500>;
+ };
+
+ BUCK3 {
+ regulator-name = "BUCK3";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <3775000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ BUCK4{
+ regulator-name = "BUCK4";
+ regulator-min-microvolt = <600000>;
+ regulator-max-microvolt = <3775000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ LDO1 {
+ regulator-name = "LDO1";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ LDO2 {
+ regulator-name = "LDO2";
+ regulator-min-microvolt = <500000>;
+ regulator-max-microvolt = <1950000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+
+ LDO_SNVS {
+ regulator-name = "LDO_SNVS";
+ regulator-min-microvolt = <800000>;
+ regulator-max-microvolt = <3000000>;
+ regulator-boot-on;
+ regulator-always-on;
+ };
+ };
+ };
+ };
--
2.34.1
Powered by blists - more mailing lists