diff options
Diffstat (limited to 'dts/Bindings/net/can')
| -rw-r--r-- | dts/Bindings/net/can/allwinner,sun4i-a10-can.yaml | 51 | ||||
| -rw-r--r-- | dts/Bindings/net/can/sun4i_can.txt | 36 | ||||
| -rw-r--r-- | dts/Bindings/net/can/tcan4x5x.txt | 4 |
3 files changed, 53 insertions, 38 deletions
diff --git a/dts/Bindings/net/can/allwinner,sun4i-a10-can.yaml b/dts/Bindings/net/can/allwinner,sun4i-a10-can.yaml new file mode 100644 index 0000000000..a95960ee3f --- /dev/null +++ b/dts/Bindings/net/can/allwinner,sun4i-a10-can.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/can/allwinner,sun4i-a10-can.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Allwinner A10 CAN Controller Device Tree Bindings + +maintainers: + - Chen-Yu Tsai <wens@csie.org> + - Maxime Ripard <mripard@kernel.org> + +properties: + compatible: + oneOf: + - items: + - const: allwinner,sun7i-a20-can + - const: allwinner,sun4i-a10-can + - const: allwinner,sun4i-a10-can + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/sun7i-a20-ccu.h> + + can0: can@1c2bc00 { + compatible = "allwinner,sun7i-a20-can", + "allwinner,sun4i-a10-can"; + reg = <0x01c2bc00 0x400>; + interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&ccu CLK_APB1_CAN>; + }; + +... diff --git a/dts/Bindings/net/can/sun4i_can.txt b/dts/Bindings/net/can/sun4i_can.txt deleted file mode 100644 index f69845e6fe..0000000000 --- a/dts/Bindings/net/can/sun4i_can.txt +++ /dev/null @@ -1,36 +0,0 @@ -Allwinner A10/A20 CAN controller Device Tree Bindings ------------------------------------------------------ - -Required properties: -- compatible: "allwinner,sun4i-a10-can" -- reg: physical base address and size of the Allwinner A10/A20 CAN register map. -- interrupts: interrupt specifier for the sole interrupt. -- clock: phandle and clock specifier. - -Example -------- - -SoC common .dtsi file: - - can0_pins_a: can0@0 { - allwinner,pins = "PH20","PH21"; - allwinner,function = "can"; - allwinner,drive = <0>; - allwinner,pull = <0>; - }; -... - can0: can@1c2bc00 { - compatible = "allwinner,sun4i-a10-can"; - reg = <0x01c2bc00 0x400>; - interrupts = <0 26 4>; - clocks = <&apb1_gates 4>; - status = "disabled"; - }; - -Board specific .dts file: - - can0: can@1c2bc00 { - pinctrl-names = "default"; - pinctrl-0 = <&can0_pins_a>; - status = "okay"; - }; diff --git a/dts/Bindings/net/can/tcan4x5x.txt b/dts/Bindings/net/can/tcan4x5x.txt index 27e1b4cebf..6bdcc3f84b 100644 --- a/dts/Bindings/net/can/tcan4x5x.txt +++ b/dts/Bindings/net/can/tcan4x5x.txt @@ -10,7 +10,6 @@ Required properties: - #size-cells: 0 - spi-max-frequency: Maximum frequency of the SPI bus the chip can operate at should be less than or equal to 18 MHz. - - device-wake-gpios: Wake up GPIO to wake up the TCAN device. - interrupt-parent: the phandle to the interrupt controller which provides the interrupt. - interrupts: interrupt specification for data-ready. @@ -23,6 +22,7 @@ Optional properties: reset. - device-state-gpios: Input GPIO that indicates if the device is in a sleep state or if the device is active. + - device-wake-gpios: Wake up GPIO to wake up the TCAN device. Example: tcan4x5x: tcan4x5x@0 { @@ -36,5 +36,5 @@ tcan4x5x: tcan4x5x@0 { interrupts = <14 GPIO_ACTIVE_LOW>; device-state-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; device-wake-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>; - reset-gpios = <&gpio1 27 GPIO_ACTIVE_LOW>; + reset-gpios = <&gpio1 27 GPIO_ACTIVE_HIGH>; }; |