pinctrl: imx: Support i.MX7D
Introudce i.MX7 pinctrl driver support.
For now only i.MX7D supported.
There are two iomux controllers in i.MX7D, iomuxc and iomuxc_lpsr.
To iomuxc_lpsr, ZERO_OFFSET_VALID is set, means offset of mux_reg
and conf_reg can begin at 0.
Signed-off-by: Peng Fan <van.freenix@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/pinctrl/nxp/Kconfig b/drivers/pinctrl/nxp/Kconfig
index f1c9b92..35640f0 100644
--- a/drivers/pinctrl/nxp/Kconfig
+++ b/drivers/pinctrl/nxp/Kconfig
@@ -14,3 +14,17 @@
configuration. This driver is different from the linux one,
this is a simple implementation, only parses the 'fsl,pins'
property and configure related registers.
+
+config PINCTRL_IMX7
+ bool "IMX7 pinctrl driver"
+ depends on ARCH_MX7 && PINCTRL_FULL
+ select DEVRES
+ select PINCTRL_IMX
+ help
+ Say Y here to enable the imx7 pinctrl driver
+
+ This provides a simple pinctrl driver for i.MX7 SoC familiy,
+ i.MX7D. This feature depends on device tree
+ configuration. This driver is different from the linux one,
+ this is a simple implementation, only parses the 'fsl,pins'
+ property and configure related registers.