diff options
Diffstat (limited to 'Documentation/devicetree/bindings/auxdisplay/hit,hd44780.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/auxdisplay/hit,hd44780.yaml | 68 |
1 files changed, 35 insertions, 33 deletions
diff --git a/Documentation/devicetree/bindings/auxdisplay/hit,hd44780.yaml b/Documentation/devicetree/bindings/auxdisplay/hit,hd44780.yaml index 406a922a71..3ca0e9863d 100644 --- a/Documentation/devicetree/bindings/auxdisplay/hit,hd44780.yaml +++ b/Documentation/devicetree/bindings/auxdisplay/hit,hd44780.yaml @@ -84,42 +84,44 @@ additionalProperties: false examples: - | #include <dt-bindings/gpio/gpio.h> - auxdisplay { - compatible = "hit,hd44780"; - - data-gpios = <&hc595 0 GPIO_ACTIVE_HIGH>, - <&hc595 1 GPIO_ACTIVE_HIGH>, - <&hc595 2 GPIO_ACTIVE_HIGH>, - <&hc595 3 GPIO_ACTIVE_HIGH>; - enable-gpios = <&hc595 4 GPIO_ACTIVE_HIGH>; - rs-gpios = <&hc595 5 GPIO_ACTIVE_HIGH>; - - display-height-chars = <2>; - display-width-chars = <16>; + display-controller { + compatible = "hit,hd44780"; + + data-gpios = <&hc595 0 GPIO_ACTIVE_HIGH>, + <&hc595 1 GPIO_ACTIVE_HIGH>, + <&hc595 2 GPIO_ACTIVE_HIGH>, + <&hc595 3 GPIO_ACTIVE_HIGH>; + enable-gpios = <&hc595 4 GPIO_ACTIVE_HIGH>; + rs-gpios = <&hc595 5 GPIO_ACTIVE_HIGH>; + + display-height-chars = <2>; + display-width-chars = <16>; }; + - | #include <dt-bindings/gpio/gpio.h> i2c { - #address-cells = <1>; - #size-cells = <0>; - - pcf8574: pcf8574@27 { - compatible = "nxp,pcf8574"; - reg = <0x27>; - gpio-controller; - #gpio-cells = <2>; - }; + #address-cells = <1>; + #size-cells = <0>; + + pcf8574: gpio-expander@27 { + compatible = "nxp,pcf8574"; + reg = <0x27>; + gpio-controller; + #gpio-cells = <2>; + }; }; - hd44780 { - compatible = "hit,hd44780"; - display-height-chars = <2>; - display-width-chars = <16>; - data-gpios = <&pcf8574 4 0>, - <&pcf8574 5 0>, - <&pcf8574 6 0>, - <&pcf8574 7 0>; - enable-gpios = <&pcf8574 2 0>; - rs-gpios = <&pcf8574 0 0>; - rw-gpios = <&pcf8574 1 0>; - backlight-gpios = <&pcf8574 3 0>; + + display-controller { + compatible = "hit,hd44780"; + display-height-chars = <2>; + display-width-chars = <16>; + data-gpios = <&pcf8574 4 GPIO_ACTIVE_HIGH>, + <&pcf8574 5 GPIO_ACTIVE_HIGH>, + <&pcf8574 6 GPIO_ACTIVE_HIGH>, + <&pcf8574 7 GPIO_ACTIVE_HIGH>; + enable-gpios = <&pcf8574 2 GPIO_ACTIVE_HIGH>; + rs-gpios = <&pcf8574 0 GPIO_ACTIVE_HIGH>; + rw-gpios = <&pcf8574 1 GPIO_ACTIVE_HIGH>; + backlight-gpios = <&pcf8574 3 GPIO_ACTIVE_HIGH>; }; |