On Sun, Oct 17, 2021 at 06:02:10PM +0200, David Heidelberg wrote: > Convert bindings for NXP PN544 NFC driver to YAML syntax. > > Signed-off-by: David Heidelberg <david@xxxxxxx> > --- > v2 > - Krzysztof is a maintainer > - pintctrl dropped > - 4 space indent for example > - nfc node name > v3 > - remove whole pinctrl > v4 > - drop clock-frequency, which is inherited by i2c bus > > .../bindings/net/nfc/nxp,pn544.yaml | 56 +++++++++++++++++++ > .../devicetree/bindings/net/nfc/pn544.txt | 33 ----------- > 2 files changed, 56 insertions(+), 33 deletions(-) > create mode 100644 Documentation/devicetree/bindings/net/nfc/nxp,pn544.yaml > delete mode 100644 Documentation/devicetree/bindings/net/nfc/pn544.txt > > diff --git a/Documentation/devicetree/bindings/net/nfc/nxp,pn544.yaml b/Documentation/devicetree/bindings/net/nfc/nxp,pn544.yaml > new file mode 100644 > index 000000000000..4592d1194a71 > --- /dev/null > +++ b/Documentation/devicetree/bindings/net/nfc/nxp,pn544.yaml > @@ -0,0 +1,56 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/net/nfc/nxp,pn544.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: NXP Semiconductors PN544 NFC Controller > + > +maintainers: > + - Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> > + > +properties: > + compatible: > + const: nxp,pn544-i2c > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + enable-gpios: > + description: Output GPIO pin used for enabling/disabling the PN544 > + > + firmware-gpios: > + description: Output GPIO pin used to enter firmware download mode *-gpios needs to say how many (maxItems: 1). I'll fix when applying. > + > +required: > + - compatible > + - reg > + - interrupts > + - enable-gpios > + - firmware-gpios > + > +additionalProperties: false > + > +examples: > + - | > + #include <dt-bindings/gpio/gpio.h> > + #include <dt-bindings/interrupt-controller/irq.h> > + > + i2c { > + #address-cells = <1>; > + #size-cells = <0>; > + > + nfc@28 { > + compatible = "nxp,pn544-i2c"; > + reg = <0x28>; > + > + interrupt-parent = <&gpio1>; > + interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; > + > + enable-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; > + firmware-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; > + }; > + }; > diff --git a/Documentation/devicetree/bindings/net/nfc/pn544.txt b/Documentation/devicetree/bindings/net/nfc/pn544.txt > deleted file mode 100644 > index 2bd82562ce8e..000000000000 > --- a/Documentation/devicetree/bindings/net/nfc/pn544.txt > +++ /dev/null > @@ -1,33 +0,0 @@ > -* NXP Semiconductors PN544 NFC Controller > - > -Required properties: > -- compatible: Should be "nxp,pn544-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 PN544 > -- firmware-gpios: Output GPIO pin used to enter firmware download mode > - > -Optional SoC Specific Properties: > -- pinctrl-names: Contains only one value - "default". > -- pintctrl-0: Specifies the pin control groups used for this controller. > - > -Example (for ARM-based BeagleBone with PN544 on I2C2): > - > -&i2c2 { > - > - > - pn544: pn544@28 { > - > - compatible = "nxp,pn544-i2c"; > - > - reg = <0x28>; > - clock-frequency = <400000>; > - > - interrupt-parent = <&gpio1>; > - interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; > - > - enable-gpios = <&gpio3 21 GPIO_ACTIVE_HIGH>; > - firmware-gpios = <&gpio3 19 GPIO_ACTIVE_HIGH>; > - }; > -}; > -- > 2.33.0 > >
