Messages in this thread | | | Date | Mon, 12 Nov 2012 22:06:22 -0700 | From | Stephen Warren <> | Subject | Re: [RFC] MIPS: BCM63XX: register GPIO controller through Device Tree |
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On 11/11/2012 05:50 AM, Jonas Gorski wrote: > Register the GPIO controller through Device Tree and add the > appropriate values in the include files. > > Since we can't register a platform driver at this early stage move the > direct call to bcm63xx_gpio_init from prom_init to an arch initcall.
> diff --git a/Documentation/devicetree/bindings/gpio/bcm63xx-gpio.txt b/Documentation/devicetree/bindings/gpio/bcm63xx-gpio.txt
> +- #gpio-cells: Must be <2>. The first cell is the GPIO pin, and > + the second one the standard linux flags.
Also here, I think you want to explicitly document the flag values here so the bindings don't rely on the Linux kernel code. I don't think there's a standard central file which documents them though, although I vaguely recall some discussion to create add them to gpio.txt?
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