pwm: imx: add Kconfig support

add Kconfig support for this driver.

Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Martyn Welch <martyn.welch@collabora.co.uk>

README

@@ -960,10 +960,6 @@ The following options need to be configured:
 			CONFIG_SH_ETHER_CACHE_WRITEBACK
 			If this option is set, the driver enables cache flush.
 
-- PWM Support:
-		CONFIG_PWM_IMX
-		Support for PWM module on the imx6.
-
 - TPM Support:
 		CONFIG_TPM
 		Support TPM devices.

configs/aristainetos2_defconfig

@@ -50,6 +50,7 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y
 CONFIG_MII=y
+CONFIG_PWM_IMX=y
 CONFIG_SPI=y
 CONFIG_MXC_SPI=y
 CONFIG_USB=y

configs/aristainetos2b_defconfig

@@ -48,6 +48,7 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ90X1=y
 CONFIG_MII=y
+CONFIG_PWM_IMX=y
 CONFIG_SPI=y
 CONFIG_MXC_SPI=y
 CONFIG_USB=y

configs/aristainetos_defconfig

@@ -49,6 +49,7 @@ CONFIG_PHYLIB=y
 CONFIG_PHY_MICREL=y
 CONFIG_PHY_MICREL_KSZ8XXX=y
 CONFIG_MII=y
+CONFIG_PWM_IMX=y
 CONFIG_SPI=y
 CONFIG_MXC_SPI=y
 CONFIG_USB=y

configs/dms-ba16-1g_defconfig

@@ -41,6 +41,7 @@ CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_PHYLIB=y
 CONFIG_MII=y
+CONFIG_PWM_IMX=y
 CONFIG_SPI=y
 CONFIG_MXC_SPI=y
 CONFIG_USB=y

configs/dms-ba16_defconfig

@@ -40,6 +40,7 @@ CONFIG_SPI_FLASH_STMICRO=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_PHYLIB=y
 CONFIG_MII=y
+CONFIG_PWM_IMX=y
 CONFIG_SPI=y
 CONFIG_MXC_SPI=y
 CONFIG_USB=y

configs/ge_bx50v3_defconfig

@@ -55,6 +55,7 @@ CONFIG_CMD_E1000=y
 CONFIG_MII=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_IMX6=y
+CONFIG_PWM_IMX=y
 CONFIG_SPI=y
 CONFIG_DM_SPI=y
 CONFIG_MXC_SPI=y

configs/mx53ppd_defconfig

@@ -43,6 +43,7 @@ CONFIG_FSL_ESDHC_IMX=y
 CONFIG_MII=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_IMX5=y
+CONFIG_PWM_IMX=y
 CONFIG_RTC_S35392A=y
 CONFIG_USB=y
 CONFIG_USB_EHCI_MX5=y

configs/vining_2000_defconfig

@@ -45,6 +45,7 @@ CONFIG_SUPPORT_EMMC_BOOT=y
 CONFIG_FSL_ESDHC_IMX=y
 CONFIG_PHYLIB=y
 CONFIG_MII=y
+CONFIG_PWM_IMX=y
 CONFIG_PCI=y
 CONFIG_DM_PCI=y
 CONFIG_PINCTRL=y

drivers/pwm/Kconfig

@@ -18,6 +18,11 @@ config PWM_EXYNOS
 	  used. It provides 5 channels which can be independently
 	  programmed. Channel 4 (the last) is normally used as a timer.
 
+config PWM_IMX
+	bool "Enable support for i.MX27 and later PWM"
+	help
+	  This PWM is found i.MX27 and later i.MX SoCs.
+
 config PWM_ROCKCHIP
 	bool "Enable support for the Rockchip PWM"
 	depends on DM_PWM

include/configs/advantech_dms-ba16.h

@@ -223,7 +223,6 @@
 #define CONFIG_IMX_VIDEO_SKIP
 #endif
 
-#define CONFIG_PWM_IMX
 #define CONFIG_IMX6_PWM_PER_CLK         66000000
 
 #ifdef CONFIG_CMD_PCI

include/configs/aristainetos-common.h

@@ -196,7 +196,6 @@
 #define CONFIG_VIDEO_BMP_LOGO
 #define CONFIG_IMX_VIDEO_SKIP
 
-#define CONFIG_PWM_IMX
 #define CONFIG_IMX6_PWM_PER_CLK	66000000
 
 #endif /* __ARISTAINETOS_COMMON_CONFIG_H */

include/configs/aristainetos2.h

@@ -45,9 +45,6 @@
 #define CONFIG_LG4573_BUS 0
 #define CONFIG_LG4573_CS 0
 
-#define CONFIG_PWM_IMX
-#define CONFIG_IMX6_PWM_PER_CLK	66000000
-
 #include "aristainetos-common.h"
 
 #endif                         /* __ARISTAINETOS2_CONFIG_H */

include/configs/aristainetos2b.h

@@ -45,9 +45,6 @@
 #define CONFIG_LG4573_BUS 0
 #define CONFIG_LG4573_CS 1
 
-#define CONFIG_PWM_IMX
-#define CONFIG_IMX6_PWM_PER_CLK	66000000
-
 #include "aristainetos-common.h"
 
 #endif                         /* __ARISTAINETOS2B_CONFIG_H */

include/configs/ge_bx50v3.h

@@ -198,7 +198,6 @@
 #define CONFIG_IMX_VIDEO_SKIP
 #define CONFIG_CMD_BMP
 
-#define CONFIG_PWM_IMX
 #define CONFIG_IMX6_PWM_PER_CLK	66000000
 
 #define CONFIG_PCI

include/configs/mx53ppd.h

@@ -211,7 +211,6 @@
 #define CONFIG_BCH
 
 /* Backlight Control */
-#define CONFIG_PWM_IMX
 #define CONFIG_IMX6_PWM_PER_CLK 66666000
 
 #endif				/* __CONFIG_H */

include/configs/vining_2000.h

@@ -83,7 +83,6 @@
 
 #define CONFIG_IMX_THERMAL
 
-#define CONFIG_PWM_IMX
 #define CONFIG_IMX6_PWM_PER_CLK 66000000
 
 #define CONFIG_ENV_OFFSET		(8 * SZ_64K)

scripts/config_whitelist.txt

@@ -1459,7 +1459,6 @@ CONFIG_PROOF_POINTS
 CONFIG_PRPMC_PCI_ALIAS
 CONFIG_PSRAM_SCFG
 CONFIG_PWM
-CONFIG_PWM_IMX
 CONFIG_PXA_LCD
 CONFIG_PXA_MMC_GENERIC
 CONFIG_PXA_PWR_I2C