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authorSascha Hauer <s.hauer@pengutronix.de>2020-04-20 15:07:38 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2020-04-27 21:17:17 +0200
commit8d158e1a40917e48cb68131a6cfd1b8755a4d8a0 (patch)
tree76118ca8fbf736bbdbc30b9fa2480a0d2a775597 /dts/Bindings/gpio/socionext,uniphier-gpio.yaml
parent15d46bac2280def447c7fd74686d44d938c24556 (diff)
downloadbarebox-8d158e1a40917e48cb68131a6cfd1b8755a4d8a0.tar.gz
barebox-8d158e1a40917e48cb68131a6cfd1b8755a4d8a0.tar.xz
dts: update to v5.7-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/socionext,uniphier-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: UniPhier GPIO controller
+
+maintainers:
+ - Masahiro Yamada <yamada.masahiro@socionext.com>
+
+properties:
+ $nodename:
+ pattern: "^gpio@[0-9a-f]+$"
+
+ compatible:
+ const: socionext,uniphier-gpio
+
+ reg:
+ maxItems: 1
+
+ gpio-controller: true
+
+ "#gpio-cells":
+ const: 2
+
+ interrupt-controller: true
+
+ "#interrupt-cells":
+ description: |
+ The first cell defines the interrupt number.
+ The second cell bits[3:0] is used to specify trigger type as follows:
+ 1 = low-to-high edge triggered
+ 2 = high-to-low edge triggered
+ 4 = active high level-sensitive
+ 8 = active low level-sensitive
+ Valid combinations are 1, 2, 3, 4, 8.
+ const: 2
+
+ ngpios:
+ minimum: 0
+ maximum: 512
+
+ gpio-ranges: true
+
+ gpio-ranges-group-names:
+ $ref: /schemas/types.yaml#/definitions/string-array
+
+ socionext,interrupt-ranges:
+ description: |
+ Specifies an interrupt number mapping between this GPIO controller and
+ its interrupt parent, in the form of arbitrary number of
+ <child-interrupt-base parent-interrupt-base length> triplets.
+ $ref: /schemas/types.yaml#/definitions/uint32-matrix
+
+required:
+ - compatible
+ - reg
+ - gpio-controller
+ - "#gpio-cells"
+ - interrupt-controller
+ - "#interrupt-cells"
+ - ngpios
+ - gpio-ranges
+ - socionext,interrupt-ranges
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/gpio/uniphier-gpio.h>
+
+ gpio: gpio@55000000 {
+ compatible = "socionext,uniphier-gpio";
+ reg = <0x55000000 0x200>;
+ interrupt-parent = <&aidet>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&pinctrl 0 0 0>;
+ gpio-ranges-group-names = "gpio_range";
+ ngpios = <248>;
+ socionext,interrupt-ranges = <0 48 16>, <16 154 5>, <21 217 3>;
+ };
+
+ // Consumer:
+ // Please note UNIPHIER_GPIO_PORT(29, 4) represents PORT294 in the SoC
+ // document. Unfortunately, only the one's place is octal in the port
+ // numbering. (That is, PORT 8, 9, 18, 19, 28, 29, ... do not exist.)
+ // UNIPHIER_GPIO_PORT() is a helper macro to calculate 29 * 8 + 4.
+ sdhci0_pwrseq {
+ compatible = "mmc-pwrseq-emmc";
+ reset-gpios = <&gpio UNIPHIER_GPIO_PORT(29, 4) GPIO_ACTIVE_LOW>;
+ };