sgpio-aspeed bindings should be converted to yaml format. Signed-off-by: Steven Lee <steven_lee@xxxxxxxxxxxxxx> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> --- .../bindings/gpio/aspeed,sgpio.yaml | 75 +++++++++++++++++++ .../devicetree/bindings/gpio/sgpio-aspeed.txt | 46 ------------ 2 files changed, 75 insertions(+), 46 deletions(-) create mode 100644 Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml delete mode 100644 Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt diff --git a/Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml b/Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml new file mode 100644 index 000000000000..b2ae211411ff --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/aspeed,sgpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Aspeed SGPIO controller + +maintainers: + - Andrew Jeffery <andrew@xxxxxxxx> + +description: + This SGPIO controller is for ASPEED AST2500 SoC, it supports up to 80 full + featured Serial GPIOs. Each of the Serial GPIO pins can be programmed to + support the following options + - Support interrupt option for each input port and various interrupt + sensitivity option (level-high, level-low, edge-high, edge-low) + - Support reset tolerance option for each output port + - Directly connected to APB bus and its shift clock is from APB bus clock + divided by a programmable value. + - Co-work with external signal-chained TTL components (74LV165/74LV595) + +properties: + compatible: + enum: + - aspeed,ast2400-sgpio + - aspeed,ast2500-sgpio + + reg: + maxItems: 1 + + gpio-controller: true + + '#gpio-cells': + const: 2 + + interrupts: + maxItems: 1 + + interrupt-controller: true + + clocks: + maxItems: 1 + + ngpios: true + + bus-frequency: true + +required: + - compatible + - reg + - gpio-controller + - '#gpio-cells' + - interrupts + - interrupt-controller + - ngpios + - clocks + - bus-frequency + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/aspeed-clock.h> + sgpio: sgpio@1e780200 { + #gpio-cells = <2>; + compatible = "aspeed,ast2500-sgpio"; + gpio-controller; + interrupts = <40>; + reg = <0x1e780200 0x0100>; + clocks = <&syscon ASPEED_CLK_APB>; + interrupt-controller; + ngpios = <80>; + bus-frequency = <12000000>; + }; diff --git a/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt b/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt deleted file mode 100644 index be329ea4794f..000000000000 --- a/Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt +++ /dev/null @@ -1,46 +0,0 @@ -Aspeed SGPIO controller Device Tree Bindings --------------------------------------------- - -This SGPIO controller is for ASPEED AST2500 SoC, it supports up to 80 full -featured Serial GPIOs. Each of the Serial GPIO pins can be programmed to -support the following options: -- Support interrupt option for each input port and various interrupt - sensitivity option (level-high, level-low, edge-high, edge-low) -- Support reset tolerance option for each output port -- Directly connected to APB bus and its shift clock is from APB bus clock - divided by a programmable value. -- Co-work with external signal-chained TTL components (74LV165/74LV595) - -Required properties: - -- compatible : Should be one of - "aspeed,ast2400-sgpio", "aspeed,ast2500-sgpio" -- #gpio-cells : Should be 2, see gpio.txt -- reg : Address and length of the register set for the device -- gpio-controller : Marks the device node as a GPIO controller -- interrupts : Interrupt specifier, see interrupt-controller/interrupts.txt -- interrupt-controller : Mark the GPIO controller as an interrupt-controller -- ngpios : number of *hardware* GPIO lines, see gpio.txt. This will expose - 2 software GPIOs per hardware GPIO: one for hardware input, one for hardware - output. Up to 80 pins, must be a multiple of 8. -- clocks : A phandle to the APB clock for SGPM clock division -- bus-frequency : SGPM CLK frequency - -The sgpio and interrupt properties are further described in their respective -bindings documentation: - -- Documentation/devicetree/bindings/gpio/gpio.txt -- Documentation/devicetree/bindings/interrupt-controller/interrupts.txt - - Example: - sgpio: sgpio@1e780200 { - #gpio-cells = <2>; - compatible = "aspeed,ast2500-sgpio"; - gpio-controller; - interrupts = <40>; - reg = <0x1e780200 0x0100>; - clocks = <&syscon ASPEED_CLK_APB>; - interrupt-controller; - ngpios = <8>; - bus-frequency = <12000000>; - }; -- 2.17.1
