ARM: S5PV310: Add support HSMMC and SDHCI configuration

This patch adds support HSMMC for S5PV310 and S5PC210 and
setup for HSMMC host controller and also related GPIO.
At most 4 channel can be used at the same time.
A user can configure SDHCI data bus as 8bit or 4bit.

Signed-off-by: Hyuk Lee <hyuk1.lee@samsung.com>
Signed-off-by: Jeongbae Seo <jeongbae.seo@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 39 insertions, 0 deletions

diff --git a/arch/arm/mach-s5pv310/Kconfig b/arch/arm/mach-s5pv310/Kconfig
index 9941852b7a06..8cb3dc52b623 100644
--- a/arch/arm/mach-s5pv310/Kconfig
+++ b/arch/arm/mach-s5pv310/Kconfig
@@ -24,6 +24,17 @@ config S5PV310_SETUP_I2C2
         help
           Common setup code for i2c bus 2.
 
+config S5PV310_SETUP_SDHCI
+        bool
+        select S5PV310_SETUP_SDHCI_GPIO
+        help
+          Internal helper functions for S5PV310 based SDHCI systems.
+
+config S5PV310_SETUP_SDHCI_GPIO
+        bool
+        help
+          Common setup code for SDHCI gpio.
+
 # machine support
 
 menu "S5PC210 Machines"
@@ -33,6 +44,11 @@ config MACH_SMDKC210
         select CPU_S5PV310
         select S3C_DEV_RTC
         select S3C_DEV_WDT
+        select S3C_DEV_HSMMC
+        select S3C_DEV_HSMMC1
+        select S3C_DEV_HSMMC2
+        select S3C_DEV_HSMMC3
+        select S5PV310_SETUP_SDHCI
         help
           Machine support for Samsung SMDKC210
           S5PC210(MCP) is one of package option of S5PV310
@@ -53,9 +69,32 @@ config MACH_SMDKV310
         select CPU_S5PV310
         select S3C_DEV_RTC
         select S3C_DEV_WDT
+        select S3C_DEV_HSMMC
+        select S3C_DEV_HSMMC1
+        select S3C_DEV_HSMMC2
+        select S3C_DEV_HSMMC3
+        select S5PV310_SETUP_SDHCI
         help
           Machine support for Samsung SMDKV310
 
 endmenu
 
+comment "Configuration for HSMMC bus width"
+
+menu "Use 8-bit bus width"
+
+config S5PV310_SDHCI_CH0_8BIT
+        bool "Channel 0 with 8-bit bus"
+        help
+          Support HSMMC Channel 0 8-bit bus.
+          If selected, Channel 1 is disabled.
+
+config S5PV310_SDHCI_CH2_8BIT
+        bool "Channel 2 with 8-bit bus"
+        help
+          Support HSMMC Channel 2 8-bit bus.
+          If selected, Channel 3 is disabled.
+
+endmenu
+
 endif