diff options
| author | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-10-11 09:39:27 +0200 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2021-10-18 15:16:06 -0500 |
| commit | 6d362ea625a1a53f40f41f7ddc97a58da818cb31 (patch) | |
| tree | 9cc6664ef65e47da4506fe2e831b250a1fada4a5 /Documentation/devicetree/bindings/net/nfc | |
| parent | af5e7abe1015b1859d21d6028a7f21a8e81b9474 (diff) | |
dt-bindings: nfc: nxp,nci: convert to dtschema
Convert the NXP NCI NFC controller to DT schema format.
Drop the "clock-frequency" property during conversion because it is a
property of I2C bus controller, not I2C slave device. It was also never
used by the driver.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Link: https://lore.kernel.org/r/20211011073934.34340-2-krzysztof.kozlowski@canonical.com
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/net/nfc')
| -rw-r--r-- | Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml | 57 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/net/nfc/nxp-nci.txt | 33 |
2 files changed, 57 insertions, 33 deletions
diff --git a/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml b/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml new file mode 100644 index 000000000000..70634d20d4d7 --- /dev/null +++ b/Documentation/devicetree/bindings/net/nfc/nxp,nci.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/nfc/nxp,nci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Semiconductors NCI NFC controller + +maintainers: + - Charles Gorand <charles.gorand@effinnov.com> + - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> + +properties: + compatible: + const: nxp,nxp-nci-i2c + + enable-gpios: + description: Output GPIO pin used for enabling/disabling the controller + + firmware-gpios: + description: Output GPIO pin used to enter firmware download mode + + interrupts: + maxItems: 1 + + reg: + maxItems: 1 + +required: + - compatible + - enable-gpios + - interrupts + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/irq.h> + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + nfc@29 { + compatible = "nxp,nxp-nci-i2c"; + + reg = <0x29>; + + interrupt-parent = <&gpio1>; + interrupts = <29 IRQ_TYPE_LEVEL_HIGH>; + + enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>; + firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; + }; + }; diff --git a/Documentation/devicetree/bindings/net/nfc/nxp-nci.txt b/Documentation/devicetree/bindings/net/nfc/nxp-nci.txt deleted file mode 100644 index 285a37c2f189..000000000000 --- a/Documentation/devicetree/bindings/net/nfc/nxp-nci.txt +++ /dev/null @@ -1,33 +0,0 @@ -* NXP Semiconductors NXP NCI NFC Controllers - -Required properties: -- compatible: Should be "nxp,nxp-nci-i2c". -- clock-frequency: I²C work frequency. -- reg: address on the bus -- interrupts: GPIO interrupt to which the chip is connected -- enable-gpios: Output GPIO pin used for enabling/disabling the chip - -Optional SoC Specific Properties: -- pinctrl-names: Contains only one value - "default". -- pintctrl-0: Specifies the pin control groups used for this controller. -- firmware-gpios: Output GPIO pin used to enter firmware download mode - -Example (for ARM-based BeagleBone with NPC100 NFC controller on I2C2): - -&i2c2 { - - - npc100: npc100@29 { - - compatible = "nxp,nxp-nci-i2c"; - - reg = <0x29>; - clock-frequency = <100000>; - - interrupt-parent = <&gpio1>; - interrupts = <29 IRQ_TYPE_LEVEL_HIGH>; - - enable-gpios = <&gpio0 30 GPIO_ACTIVE_HIGH>; - firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; - }; -}; |