From: dianders@chromium.org (Doug Anderson)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 2/2] pinctrl: rockchip: Implement PIN_CONFIG_OUTPUT_DISABLE
Date: Tue, 28 Oct 2014 13:57:15 -0700 [thread overview]
Message-ID: <1414529835-16207-2-git-send-email-dianders@chromium.org> (raw)
In-Reply-To: <1414529835-16207-1-git-send-email-dianders@chromium.org>
If someone requests us to disable output for a pin, we'll configure it
as an input.
Signed-off-by: Doug Anderson <dianders@chromium.org>
---
drivers/pinctrl/pinctrl-rockchip.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index 40970c3..c1ac14c 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -971,6 +971,12 @@ static int rockchip_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
if (rc)
return rc;
break;
+ case PIN_CONFIG_OUTPUT_DISABLE:
+ rc = _rockchip_pmx_gpio_set_direction(&bank->gpio_chip,
+ pin - bank->pin_base, true);
+ if (rc)
+ return rc;
+ break;
case PIN_CONFIG_OUTPUT:
rockchip_gpio_set(&bank->gpio_chip,
pin - bank->pin_base, arg);
--
2.1.0.rc2.206.gedb03e5
next prev parent reply other threads:[~2014-10-28 20:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-28 20:57 [RFC PATCH 1/2] pinctrl: Add output-disable Doug Anderson
2014-10-28 20:57 ` Doug Anderson [this message]
2014-10-31 8:49 ` Linus Walleij
2014-11-03 21:09 ` Doug Anderson
2014-11-14 8:37 ` Linus Walleij
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