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authorArnd Bergmann <arnd@arndb.de>2023-01-30 18:12:34 +0100
committerArnd Bergmann <arnd@arndb.de>2023-01-30 18:12:35 +0100
commitedb3f74332c3a139596a5ce10de1db6a6b300d40 (patch)
treed4572fd765f248c3b0d94ec65c6fa0b91d2e4ca8
parent2e0f3acb904018e64e8b1e2a6b8d10dabc0ebf79 (diff)
parent6e1456f9251966d8fbfde2ae4750ba540b588533 (diff)
Merge tag 'renesas-dt-bindings-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into arm/dt
Renesas DT binding updates for v6.3 - Document support for the Renesas RZ/V2M External Power Sequence Controller (PWC). * tag 'renesas-dt-bindings-for-v6.3-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel: dt-bindings: soc: renesas: Add RZ/V2M PWC Link: https://lore.kernel.org/r/cover.1674815097.git.geert+renesas@glider.be Signed-off-by: Arnd Bergmann <arnd@arndb.de>
-rw-r--r--Documentation/devicetree/bindings/soc/renesas/renesas,rzv2m-pwc.yaml56
1 files changed, 56 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/soc/renesas/renesas,rzv2m-pwc.yaml b/Documentation/devicetree/bindings/soc/renesas/renesas,rzv2m-pwc.yaml
new file mode 100644
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--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/renesas/renesas,rzv2m-pwc.yaml
@@ -0,0 +1,56 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/renesas/renesas,rzv2m-pwc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Renesas RZ/V2M External Power Sequence Controller (PWC)
+
+description: |+
+ The PWC IP found in the RZ/V2M family of chips comes with the below
+ capabilities
+ - external power supply on/off sequence generation
+ - on/off signal generation for the LPDDR4 core power supply (LPVDD)
+ - key input signals processing
+ - general-purpose output pins
+
+maintainers:
+ - Fabrizio Castro <fabrizio.castro.jz@renesas.com>
+
+properties:
+ compatible:
+ items:
+ - enum:
+ - renesas,r9a09g011-pwc # RZ/V2M
+ - renesas,r9a09g055-pwc # RZ/V2MA
+ - const: renesas,rzv2m-pwc
+
+ reg:
+ maxItems: 1
+
+ gpio-controller: true
+
+ '#gpio-cells':
+ const: 2
+
+ renesas,rzv2m-pwc-power:
+ description: The PWC is used to control the system power supplies.
+ type: boolean
+
+required:
+ - compatible
+ - reg
+ - gpio-controller
+ - '#gpio-cells'
+
+additionalProperties: false
+
+examples:
+ - |
+ pwc: pwc@a3700000 {
+ compatible = "renesas,r9a09g011-pwc", "renesas,rzv2m-pwc";
+ reg = <0xa3700000 0x800>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ renesas,rzv2m-pwc-power;
+ };