diff options
| -rw-r--r-- | sample.dts | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/sample.dts b/sample.dts new file mode 100644 index 0000000..6111555 --- /dev/null +++ b/sample.dts @@ -0,0 +1,58 @@ +/* + * The CDS9K currently lives on an SPI bus, and comprises different IP blocks + * in different applications. For this reason the top level driver does nothing + * more than expose a regmap on top of its parent bus. + * As children of this top-level cds9k driver, each copy of each IP block has + * an entry in the DT for it, and a separate driver is registered for each + * + * The sample DTS segment here exposes a CDS9K loaded with at least the + * following IP blocks: + * + * address | IP block | compatible + * --------+-------------+--------- + * 0x4 | Fan control | david,cds9k-fan + * 0x6 | LED control | david,cds9k-led + * 0x8 | GPIO | david,cds9k-gpio + * 0xa | GPIO | david,cds9k-gpio + */ +&spi0 { + // ... + cds9k: cds9k@0 { + compatible = "david,cds9k"; + status = "okay"; + reg = <0>; + spi-max-frequency = <1000000>; + #address-cells = <1>; + #size-cells = <0>; + + cds9k_fan0: cds9k-fan@4 { + compatible = "david,cds9k-fan"; + status = "okay"; + reg = <0x4>; + }; + // ... + cds9k_led0: cds9k-led@6 { + compatible = "david,cds9k-led"; + status = "okay"; + reg = <0x6>; + color = <LED_COLOR_ID_WHITE>; + function = LED_FUNCTION_DEBUG; + }; + // ... + cds9k_gpio0: cds9k-gpio@8 { + compatible = "david,cds9k-gpio"; + status = "okay"; + reg = <0x8>; + gpio-controller; + #gpio-cells = <2>; + }; + cds9k_gpio1: cds9k-gpio@a { + compatible = "david,cds9k-gpio"; + status = "okay"; + reg = <0xa>; + gpio-controller; + #gpio-cells = <2>; + }; + }; +}; + |