diff options
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt | 18 | ||||
| -rw-r--r-- | drivers/gpio/gpio-rcar.c | 8 |
2 files changed, 8 insertions, 18 deletions
diff --git a/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt b/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt index 46d76a004246..cb3dc7bcd8e6 100644 --- a/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt +++ b/Documentation/devicetree/bindings/gpio/renesas,gpio-rcar.txt @@ -16,18 +16,12 @@ Required Properties: - gpio-controller: Marks the device node as a gpio controller. - #gpio-cells: Should be 2. The first cell is the GPIO number and the second - cell is used to specify optional parameters as bit flags. Only the GPIO - active low flag (bit 0) is currently supported. - - gpio-ranges: Range of pins managed by the GPIO controller as a 4-cells - tuple using the following syntax. - - <[phandle of the pin controller node] - 0 - [index of the first pin] - [number of pins]> - -Please refer to gpio.txt in this directory for details of the common GPIO -bindings used by client devices. + cell specifies GPIO flags, as defined in <dt-bindings/gpio/gpio.h>. Only the + GPIO_ACTIVE_HIGH and GPIO_ACTIVE_LOW flags are supported. + - gpio-ranges: Range of pins managed by the GPIO controller. + +Please refer to gpio.txt in this directory for details of gpio-ranges property +and the common GPIO bindings used by client devices. Example: R8A7779 (R-Car H1) GPIO controller nodes diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c index f3327533bfd5..6ec82f76f019 100644 --- a/drivers/gpio/gpio-rcar.c +++ b/drivers/gpio/gpio-rcar.c @@ -279,16 +279,13 @@ static struct irq_domain_ops gpio_rcar_irq_domain_ops = { static void gpio_rcar_parse_pdata(struct gpio_rcar_priv *p) { struct gpio_rcar_config *pdata = p->pdev->dev.platform_data; -#ifdef CONFIG_OF struct device_node *np = p->pdev->dev.of_node; struct of_phandle_args args; int ret; -#endif - if (pdata) + if (pdata) { p->config = *pdata; -#ifdef CONFIG_OF - else if (np) { + } else if (IS_ENABLED(CONFIG_OF) && np) { ret = of_parse_phandle_with_args(np, "gpio-ranges", "#gpio-range-cells", 0, &args); p->config.number_of_pins = ret == 0 && args.args_count == 3 @@ -296,7 +293,6 @@ static void gpio_rcar_parse_pdata(struct gpio_rcar_priv *p) : RCAR_MAX_GPIO_PER_BANK; p->config.gpio_base = -1; } -#endif if (p->config.number_of_pins == 0 || p->config.number_of_pins > RCAR_MAX_GPIO_PER_BANK) { |