diff options
| author |   Linus Walleij <linus.walleij@linaro.org> | 2022-04-13 20:46:33 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2022-04-14 22:09:02 +0200 |
| commit | 3c3b352863ec4f88cc3ca8fcb4dff4d6f18483f0 (patch) | |
| tree | e7180299972f60d4a431431eda14be30e702c07a | |
| parent | ARM: dts: ux500: Add GPS to Skomer device tree (diff) | |
| download | linux-dev-3c3b352863ec4f88cc3ca8fcb4dff4d6f18483f0.tar.xz linux-dev-3c3b352863ec4f88cc3ca8fcb4dff4d6f18483f0.zip | |
ARM: dts: ux500: Add NFC to the Codina
This adds the PN544 NFC chip mounted on some of the Codina models
numbered GT-I8160P. The "P" at the end of the product number
indicates that an NFC chip is mounted.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| -rw-r--r-- | arch/arm/boot/dts/ste-ux500-samsung-codina.dts | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-codina.dts b/arch/arm/boot/dts/ste-ux500-samsung-codina.dts index acbe43269c38..0b7bb54aa24d 100644 --- a/arch/arm/boot/dts/ste-ux500-samsung-codina.dts +++ b/arch/arm/boot/dts/ste-ux500-samsung-codina.dts @@ -307,7 +307,22 @@ #address-cells = <1>; #size-cells = <0>; - /* TODO: add the NFC chip here */ + nfc@2b { + /* NXP NFC circuit PN544 C1 marked NXP 44501 */ + compatible = "nxp,pn544-i2c"; + /* IF0, IF1 high, gives I2C address 0x2B */ + reg = <0x2b>; + clock-frequency = <400000>; + /* NFC IRQ on GPIO32 */ + interrupt-parent = <&gpio1>; + interrupts = <0 IRQ_TYPE_EDGE_FALLING>; + /* GPIO 31 */ + firmware-gpios = <&gpio0 31 GPIO_ACTIVE_HIGH>; + /* GPIO88 */ + enable-gpios = <&gpio2 24 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&pn544_codina_default>; + }; }; spi-gpio-0 { @@ -854,6 +869,20 @@ }; }; }; + nfc { + pn544_codina_default: pn544_codina { + /* Interrupt line */ + codina_cfg1 { + pins = "GPIO32_V2"; + ste,config = <&gpio_in_nopull>; + }; + /* Enable and firmware GPIOs */ + codina_cfg2 { + pins = "GPIO31_V3", "GPIO88_C4"; + ste,config = <&gpio_out_lo>; + }; + }; + }; vibrator { vibrator_default: vibrator_default { codina_cfg1 { |