ARM: 6020/1: ST SPEAr: Adding gpio pad multiplexing support

GPIO Pads in spear platform are are multiplexed in various machines.
This patch adds support for this pad multiplexing.

Reviewed-by: Linus Walleij <linux.walleij@stericsson.com>
Signed-off-by: Viresh Kumar <viresh.kumar@st.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 27 insertions, 0 deletions

diff --git a/arch/arm/mach-spear3xx/spear320_evb.c b/arch/arm/mach-spear3xx/spear320_evb.c
index 85bc4d226212..62ac685a4135 100644
--- a/arch/arm/mach-spear3xx/spear320_evb.c
+++ b/arch/arm/mach-spear3xx/spear320_evb.c
@@ -16,6 +16,27 @@
 #include <mach/generic.h>
 #include <mach/spear.h>
 
+/* padmux devices to enable */
+static struct pmx_dev *pmx_devs[] = {
+        /* spear3xx specific devices */
+        &pmx_i2c,
+        &pmx_ssp,
+        &pmx_mii,
+        &pmx_uart0,
+
+        /* spear320 specific devices */
+        &pmx_fsmc,
+        &pmx_sdio,
+        &pmx_i2s,
+        &pmx_uart1,
+        &pmx_uart2,
+        &pmx_can,
+        &pmx_pwm0,
+        &pmx_pwm1,
+        &pmx_pwm2,
+        &pmx_mii1,
+};
+
 static struct amba_device *amba_devs[] __initdata = {
         /* spear3xx specific devices */
         &gpio_device,
@@ -37,6 +58,12 @@ static void __init spear320_evb_init(void)
         /* call spear320 machine init function */
         spear320_init();
 
+        /* padmux initialization */
+        pmx_driver.mode = &auto_net_mii_mode;
+        pmx_driver.devs = pmx_devs;
+        pmx_driver.devs_count = ARRAY_SIZE(pmx_devs);
+        spear320_pmx_init();
+
         /* Add Platform Devices */
         platform_add_devices(plat_devs, ARRAY_SIZE(plat_devs));