diff options
Diffstat (limited to 'dts/Bindings/gpio/sifive,gpio.yaml')
-rw-r--r-- | dts/Bindings/gpio/sifive,gpio.yaml | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/dts/Bindings/gpio/sifive,gpio.yaml b/dts/Bindings/gpio/sifive,gpio.yaml index 418e8381e0..fc095646ad 100644 --- a/dts/Bindings/gpio/sifive,gpio.yaml +++ b/dts/Bindings/gpio/sifive,gpio.yaml @@ -7,13 +7,15 @@ $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 + - enum: + - sifive,fu540-c000-gpio + - sifive,fu740-c000-gpio + - canaan,k210-gpiohs - const: sifive,gpio0 reg: @@ -21,9 +23,9 @@ properties: interrupts: description: - interrupt mapping one per GPIO. Maximum 16 GPIOs. + Interrupt mapping, one per GPIO. Maximum 32 GPIOs. minItems: 1 - maxItems: 16 + maxItems: 32 interrupt-controller: true @@ -36,6 +38,18 @@ properties: "#gpio-cells": const: 2 + ngpios: + description: + The number of GPIOs available on the controller implementation. + It is 16 for the SiFive SoCs and 32 for the Canaan K210. + minimum: 1 + maximum: 32 + default: 16 + + gpio-line-names: + minItems: 1 + maxItems: 32 + gpio-controller: true required: @@ -44,10 +58,20 @@ required: - interrupts - interrupt-controller - "#interrupt-cells" - - clocks - "#gpio-cells" - gpio-controller +if: + properties: + compatible: + contains: + enum: + - sifive,fu540-c000-gpio + - sifive,fu740-c000-gpio +then: + required: + - clocks + additionalProperties: false examples: @@ -56,9 +80,10 @@ examples: 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>; + interrupts = <7>, <8>, <9>, <10>, <11>, <12>, <13>, <14>, <15>, <16>, + <17>, <18>, <19>, <20>, <21>, <22>; + reg = <0x10060000 0x1000>; + clocks = <&tlclk FU540_PRCI_CLK_TLCLK>; gpio-controller; #gpio-cells = <2>; interrupt-controller; |