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authorAlexandre Belloni <alexandre.belloni@bootlin.com>2020-10-13 16:41:09 +0200
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2020-10-19 22:47:56 +0200
commit5ebe59a50593b1978f16a9bf4a7a887dc7a82b7b (patch)
tree3f6bc1b8bc710db0070ac782e7a88be976a774f4 /Documentation/devicetree/bindings/rtc
parentdt-bindings: rtc: add trickle-voltage-millivolt (diff)
downloadlinux-dev-5ebe59a50593b1978f16a9bf4a7a887dc7a82b7b.tar.xz
linux-dev-5ebe59a50593b1978f16a9bf4a7a887dc7a82b7b.zip
dt-bindings: rtc: rv3032: add RV-3032 bindings
Document the Microcrystal RV-3032 device tree bindings Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20201013144110.1942218-2-alexandre.belloni@bootlin.com
Diffstat (limited to 'Documentation/devicetree/bindings/rtc')
-rw-r--r--Documentation/devicetree/bindings/rtc/microcrystal,rv3032.yaml64
1 files changed, 64 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/microcrystal,rv3032.yaml b/Documentation/devicetree/bindings/rtc/microcrystal,rv3032.yaml
new file mode 100644
index 000000000000..a2c55303810d
--- /dev/null
+++ b/Documentation/devicetree/bindings/rtc/microcrystal,rv3032.yaml
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/microcrystal,rv3032.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Microchip RV-3032 RTC Device Tree Bindings
+
+allOf:
+ - $ref: "rtc.yaml#"
+
+maintainers:
+ - Alexandre Belloni <alexandre.belloni@bootlin.com>
+
+properties:
+ compatible:
+ const: microcrystal,rv3032
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ start-year: true
+
+ trickle-resistor-ohms:
+ enum:
+ - 1000
+ - 2000
+ - 7000
+ - 11000
+
+ trickle-voltage-millivolt:
+ enum:
+ - 1750
+ - 3000
+ - 4400
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rtc@51 {
+ compatible = "microcrystal,rv3032";
+ reg = <0x51>;
+ status = "okay";
+ pinctrl-0 = <&rtc_nint_pins>;
+ interrupts-extended = <&gpio1 16 IRQ_TYPE_LEVEL_HIGH>;
+ trickle-resistor-ohms = <7000>;
+ trickle-voltage-millivolt = <1750>;
+ };
+ };
+
+...