[Patch v5 08/13] ARM: imx6q: add config-on-boot gpios
Fabio Estevam
festevam at gmail.com
Wed Jun 20 09:36:14 EST 2012
On Wed, Jun 13, 2012 at 9:34 AM, Richard Zhao
<richard.zhao at freescale.com> wrote:
> +static void __init imx6q_config_on_boot(void)
> +{
> + struct device_node *np;
> + struct property *pp;
> + int cnt, len, i;
> + int gpio;
> +
> + np = of_find_node_by_path("/config-on-boot");
> + if (!np)
> + return;
> + cnt = of_gpio_named_count(np, "output-gpios");
> + pp = of_find_property(np, "output-gpio-values", &len);
> + if (!pp || cnt != len / sizeof(u32)) {
> + pr_err("Invalid config-on-boot gpios!\n");
> + of_node_put(np);
> + return;
> + }
> + for (i = 0; i < cnt; i++) {
> + gpio = of_get_named_gpio(np, "output-gpios", i);
> + if (gpio_is_valid(gpio))
> + gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH,
> + "config-on-boot");
> + }
> +
> + of_node_put(np);
> +}
Couldn't this function be made generic and put outside of mach-imx6q.c
so that other platforms could use it?
I need the same for mxs.
More information about the devicetree-discuss
mailing list