Commit 90b60552 authored Apr 30, 2018 by Matheus Castello Committed by Linus Walleij May 16, 2018

pinctrl: bcm2835: Add support for output-low output-high properties



Properties to set initial value of pin output buffer.
This can be useful for configure hardware in overlay files, and in early
boot for checking it states in QA sanity tests.

Signed-off-by: Matheus Castello <matheus@castello.eng.br>
Reviewed-by: Eric Anholt <eric@anholt.net>
Acked-by: Stefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

parent 0de70495

drivers/pinctrl/bcm/pinctrl-bcm2835.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -965,6 +965,11 @@ static int bcm2835_pinconf_set(struct pinctrl_dev *pctldev,
		bcm2835_pull_config_set(pc, pin, BCM2835_PUD_UP);
		break;

		/* Set output-high or output-low */
		case PIN_CONFIG_OUTPUT:
		bcm2835_gpio_set_bit(pc, arg ? GPSET0 : GPCLR0, pin);
		break;

		default:
		return -EINVAL;