linux-kernel - [PATCH] pinctrl: samsung: Allow pin value to be initialized using pinfunc.

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Date:	Tue, 19 Nov 2013 18:15:51 +0100
From:	Tomasz Figa <t.figa@...sung.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Linus Walleij <linus.walleij@...aro.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Doug Anderson <dianders@...omium.org>,
	Thomas Abraham <thomas.abraham@...aro.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Heiko Stübner <heiko@...ech.de>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>,
	Tomasz Figa <t.figa@...sung.com>
Subject: [PATCH] pinctrl: samsung: Allow pin value to be initialized using
 pinfunc.

This patch extends the range of settings configurable via pinfunc API
to cover pin value as well. This allows configuration of default values
of pins.

Signed-off-by: Tomasz Figa <t.figa@...sung.com>
Acked-by: Kyungmin Park <kyungmin.park@...sung.com>
---
 Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt | 1 +
 drivers/pinctrl/pinctrl-samsung.c                             | 1 +
 2 files changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
index fe34cbb..ed4cc9c 100644
--- a/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
@@ -74,6 +74,7 @@ Required Properties:
   "samsung,pins" property of the child node. The following pin configuration
   properties are supported.
 
+  - samsung,pin-val: Initial value of pin output buffer.
   - samsung,pin-pud: Pull up/down configuration.
   - samsung,pin-drv: Drive strength configuration.
   - samsung,pin-pud-pdn: Pull up/down configuration in power down mode.
diff --git a/drivers/pinctrl/pinctrl-samsung.c b/drivers/pinctrl/pinctrl-samsung.c
index c752de4..6b2194a 100644
--- a/drivers/pinctrl/pinctrl-samsung.c
+++ b/drivers/pinctrl/pinctrl-samsung.c
@@ -47,6 +47,7 @@ static struct pin_config {
 	{ "samsung,pin-drv", PINCFG_TYPE_DRV },
 	{ "samsung,pin-con-pdn", PINCFG_TYPE_CON_PDN },
 	{ "samsung,pin-pud-pdn", PINCFG_TYPE_PUD_PDN },
+	{ "samsung,pin-val", PINCFG_TYPE_DAT },
 };
 
 /* Global list of devices (struct samsung_pinctrl_drv_data) */
-- 
1.8.4.2

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