[U-Boot] [PATCH V2 04/10] gpio: introduce CONFIG_SPL_DM_PCA953X

[Peng Fan]

Introduce CONFIG_SPL_DM_PCA953X for SPL usage.

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 drivers/gpio/Kconfig  | 23 +++++++++++++++++++++++
 drivers/gpio/Makefile |  2 +-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 35344e57c6..b1c9404aaf 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -292,6 +292,29 @@ config DM_PCA953X
 	  Now, max 24 bits chips and PCA953X compatible chips are
 	  supported
 
+config SPL_DM_PCA953X
+	bool "PCA95[357]x, PCA9698, TCA64xx, and MAX7310 I/O ports in SPL"
+	depends on DM_GPIO
+	help
+	  Say yes here to provide access to several register-oriented
+	  SMBus I/O expanders, made mostly by NXP or TI.  Compatible
+	  models include:
+
+	  4 bits:	pca9536, pca9537
+
+	  8 bits:	max7310, max7315, pca6107, pca9534, pca9538, pca9554,
+			pca9556, pca9557, pca9574, tca6408, xra1202
+
+	  16 bits:	max7312, max7313, pca9535, pca9539, pca9555, pca9575,
+			tca6416
+
+	  24 bits:	tca6424
+
+	  40 bits:	pca9505, pca9698
+
+	  Now, max 24 bits chips and PCA953X compatible chips are
+	  supported
+
 config MPC8XXX_GPIO
 	bool "Freescale MPC8XXX GPIO driver"
 	depends on DM_GPIO
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 7ed9a4ec42..dac238ae06 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -9,7 +9,7 @@ obj-$(CONFIG_AXP_GPIO)		+= axp_gpio.o
 endif
 obj-$(CONFIG_DM_GPIO)		+= gpio-uclass.o
 
-obj-$(CONFIG_DM_PCA953X)	+= pca953x_gpio.o
+obj-$(CONFIG_$(SPL_)DM_PCA953X)	+= pca953x_gpio.o
 obj-$(CONFIG_DM_74X164)		+= 74x164_gpio.o
 
 obj-$(CONFIG_AT91_GPIO)	+= at91_gpio.o
-- 
2.14.1