From: Yash Shah <yash.shah@sifive.com>
To: linus.walleij@linaro.org, bgolaszewski@baylibre.com,
robh+dt@kernel.org, mark.rutland@arm.com, palmer@dabbelt.com,
paul.walmsley@sifive.com
Cc: devicetree@vger.kernel.org, aou@eecs.berkeley.edu,
jason@lakedaemon.net, linux-gpio@vger.kernel.org, maz@kernel.org,
linux-kernel@vger.kernel.org, atish.patra@wdc.com,
Yash Shah <yash.shah@sifive.com>,
sagar.kadam@sifive.com, tglx@linutronix.de, bmeng.cn@gmail.com,
linux-riscv@lists.infradead.org, sachin.ghadi@sifive.com
Subject: [PATCH v4 4/6] gpio: sifive: Add DT documentation for SiFive GPIO
Date: Tue, 10 Dec 2019 16:41:12 +0530 [thread overview]
Message-ID: <1575976274-13487-5-git-send-email-yash.shah@sifive.com> (raw)
In-Reply-To: <1575976274-13487-1-git-send-email-yash.shah@sifive.com>
DT json-schema for GPIO controller added.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wesley W. Terpstra <wesley@sifive.com>
[Atish: Compatible string update]
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Yash Shah <yash.shah@sifive.com>
---
.../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@sifive.com>
+ - Paul Walmsley <paul.walmsley@sifive.com>
+
+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>;
+ };
+
+...
--
2.7.4
next prev parent reply other threads:[~2019-12-10 11:12 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-12-10 11:11 [PATCH v4 0/6] GPIO & Hierarchy IRQ support for HiFive Unleashed Yash Shah
2019-12-10 11:11 ` [PATCH v4 1/6] genirq: introduce irq_domain_translate_onecell Yash Shah
2019-12-10 11:11 ` [PATCH v4 2/6] irqchip: nvic: Use irq_domain_translate_onecell instead of custom func Yash Shah
2019-12-10 11:11 ` [PATCH v4 3/6] irqchip: sifive: Support hierarchy irq domain Yash Shah
2019-12-10 11:11 ` Yash Shah [this message]
2019-12-18 20:51 ` [PATCH v4 4/6] gpio: sifive: Add DT documentation for SiFive GPIO Rob Herring
2019-12-10 11:11 ` [PATCH v4 5/6] gpio: sifive: Add GPIO driver for SiFive SoCs Yash Shah
2019-12-10 11:11 ` [PATCH v4 6/6] riscv: dts: Add DT support for SiFive FU540 GPIO driver Yash Shah
2020-01-20 9:09 ` [PATCH v4 0/6] GPIO & Hierarchy IRQ support for HiFive Unleashed Marc Zyngier
2020-01-21 8:53 ` Yash Shah
2020-01-29 15:00 ` Palmer Dabbelt
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