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authorNishanth Menon <nm@ti.com>2022-06-23 20:08:07 +0300
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2022-06-24 22:35:31 +0300
commit5e665cf1f0c52163de5517bfb9258390e63772b2 (patch)
tree9ead9c35ec2c36a5adb1db3f6f838a2107349e36
parentfa1f8e6ac455b20955f107023916eef946674cb8 (diff)
downloadlinux-5e665cf1f0c52163de5517bfb9258390e63772b2.tar.xz
dt-bindings: rtc: Add TI K3 RTC description
This adds the documentation for the devicetree bindings of the Texas Instruments RTC modules on K3 family of SoCs such as AM62x SoCs or newer. Signed-off-by: Nishanth Menon <nm@ti.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20220623170808.20998-2-nm@ti.com
-rw-r--r--Documentation/devicetree/bindings/rtc/ti,k3-rtc.yaml62
1 files changed, 62 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/rtc/ti,k3-rtc.yaml b/Documentation/devicetree/bindings/rtc/ti,k3-rtc.yaml
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index 000000000000..d995ef04a6eb
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+++ b/Documentation/devicetree/bindings/rtc/ti,k3-rtc.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/rtc/ti,k3-rtc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments K3 Real Time Clock
+
+maintainers:
+ - Nishanth Menon <nm@ti.com>
+
+description: |
+ This RTC appears in the AM62x family of SoCs.
+
+allOf:
+ - $ref: "rtc.yaml#"
+
+properties:
+ compatible:
+ enum:
+ - ti,am62-rtc
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: VBUS Interface clock
+ - description: 32k Clock source (external or internal).
+
+ clock-names:
+ items:
+ - const: vbus
+ - const: osc32k
+
+ power-domains:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ rtc@2b1f0000 {
+ compatible = "ti,am62-rtc";
+ reg = <0x2b1f0000 0x100>;
+ interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
+ power-domains = <&bar 0>;
+ clocks = <&foo 0>, <&foo 1>;
+ clock-names = "vbus", "osc32k";
+ wakeup-source;
+ };