The following commit has been merged into the irq/core branch of tip:
Commit-ID: 7875f8242494f8e4c8a75f2aeab4a6fb742599bd
Gitweb: https://git.kernel.org/tip/7875f8242494f8e4c8a75f2aeab4a6fb742599bd
Author: Yash Shah <yash.shah@xxxxxxxxxx>
AuthorDate: Tue, 10 Dec 2019 16:41:12 +05:30
Committer: Marc Zyngier <maz@xxxxxxxxxx>
CommitterDate: Mon, 20 Jan 2020 09:26:05
gpio/sifive: Add DT documentation for SiFive GPIO
DT json-schema for GPIO controller added.
Signed-off-by: Wesley W. Terpstra <wesley@xxxxxxxxxx>
[Atish: Compatible string update]
Signed-off-by: Atish Patra <atish.patra@xxxxxxx>
Signed-off-by: Yash Shah <yash.shah@xxxxxxxxxx>
Signed-off-by: Marc Zyngier <maz@xxxxxxxxxx>
Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Link: https://lore.kernel.org/r/1575976274-13487-5-git-send-email-yash.shah@xxxxxxxxxx
---
Documentation/devicetree/bindings/gpio/sifive,gpio.yaml | 68 ++++++++-
1 file changed, 68 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/sifive,gpio.yaml
diff --git a/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml b/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml
new file mode 100644
index 0000000..418e838
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/sifive,gpio.yaml
@@ -0,0 +1,68 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/sifive,gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SiFive GPIO controller
+
+maintainers:
+ - Yash Shah <yash.shah@xxxxxxxxxx>
+ - Paul Walmsley <paul.walmsley@xxxxxxxxxx>
+
+properties:
+ compatible:
+ items:
+ - const: sifive,fu540-c000-gpio
+ - const: sifive,gpio0
+
+ reg:
+ maxItems: 1
+
+ interrupts:
+ description:
+ interrupt mapping one per GPIO. Maximum 16 GPIOs.
+ minItems: 1
+ maxItems: 16
+
+ interrupt-controller: true
+
+ "#interrupt-cells":
+ const: 2
+
+ clocks:
+ maxItems: 1
+
+ "#gpio-cells":
+ const: 2
+
+ gpio-controller: true
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - interrupt-controller
+ - "#interrupt-cells"
+ - clocks
+ - "#gpio-cells"
+ - gpio-controller
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/sifive-fu540-prci.h>
+ gpio@10060000 {
+ compatible = "sifive,fu540-c000-gpio", "sifive,gpio0";
+ interrupt-parent = <&plic>;
+ interrupts = <7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22>;
+ reg = <0x0 0x10060000 0x0 0x1000>;
+ clocks = <&tlclk PRCI_CLK_TLCLK>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+...
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