pinctrl: pinctrl-imx: add imx25 pinctrl driver

This is mostly cut and paste from the imx35 pinctrl driver.
The data was generated using sed and awk on
  arch/arm/plat-mxc/include/mach/iomux-mx25.h.

Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: devicetree@vger.kernel.org
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: linux-arm-kernel@lists.infradead.org
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Eric Bénard <eric@eukrea.com>
Signed-off-by: Denis Carikli <denis@eukrea.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 23 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,imx25-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/fsl,imx25-pinctrl.txt
new file mode 100644
index 000000000000..fd653bde18d5
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/fsl,imx25-pinctrl.txt
@@ -0,0 +1,23 @@
+* Freescale IMX25 IOMUX Controller
+
+Please refer to fsl,imx-pinctrl.txt in this directory for common binding part
+and usage.
+
+CONFIG bits definition:
+PAD_CTL_HYS                     (1 << 8)
+PAD_CTL_PKE                     (1 << 7)
+PAD_CTL_PUE                     (1 << 6)
+PAD_CTL_PUS_100K_DOWN           (0 << 4)
+PAD_CTL_PUS_47K_UP              (1 << 4)
+PAD_CTL_PUS_100K_UP             (2 << 4)
+PAD_CTL_PUS_22K_UP              (3 << 4)
+PAD_CTL_ODE_CMOS                (0 << 3)
+PAD_CTL_ODE_OPENDRAIN           (1 << 3)
+PAD_CTL_DSE_NOMINAL             (0 << 1)
+PAD_CTL_DSE_HIGH                (1 << 1)
+PAD_CTL_DSE_MAX                 (2 << 1)
+PAD_CTL_SRE_FAST                (1 << 0)
+PAD_CTL_SRE_SLOW                (0 << 0)
+
+Refer to imx25-pinfunc.h in device tree source folder for all available
+imx25 PIN_FUNC_ID.