[ARM] pxa: Add multi-io support for e-series

    This patchset provides support for the TMIO based IO controller used in the
    Toshiba e-series PDAs.

    Signed-off-by: Ian Molton <spyro@f2s.com>
    Acked-by: Samuel Ortiz <sameo@openedhand.com>
    Acked-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 62 insertions, 3 deletions

diff --git a/arch/arm/mach-pxa/e400.c b/arch/arm/mach-pxa/e400.c
index 544bbaa20621..7716ad0c3b34 100644
--- a/arch/arm/mach-pxa/e400.c
+++ b/arch/arm/mach-pxa/e400.c
@@ -12,20 +12,26 @@
 
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/t7l66xb.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/partitions.h>
 
 #include <asm/setup.h>
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
 
-#include <mach/pxa-regs.h>
 #include <mach/mfp-pxa25x.h>
+#include <mach/pxa-regs.h>
 #include <mach/hardware.h>
-
+#include <mach/eseries-gpio.h>
 #include <mach/pxafb.h>
 #include <mach/udc.h>
 
 #include "generic.h"
 #include "eseries.h"
+#include "clock.h"
 
 /* ------------------------ E400 LCD definitions ------------------------ */
 
@@ -65,7 +71,10 @@ static unsigned long e400_pin_config[] __initdata = {
         GPIO42_BTUART_RXD,
         GPIO43_BTUART_TXD,
         GPIO44_BTUART_CTS,
-        GPIO45_GPIO, /* Used by TMIO for #SUSPEND */
+
+        /* TMIO controller */
+        GPIO19_GPIO, /* t7l66xb #PCLR */
+        GPIO45_GPIO, /* t7l66xb #SUSPEND (NOT BTUART!) */
 
         /* wakeup */
         GPIO0_GPIO | WAKEUP_ON_EDGE_RISE,
@@ -73,10 +82,60 @@ static unsigned long e400_pin_config[] __initdata = {
 
 /* ---------------------------------------------------------------------- */
 
+static struct mtd_partition partition_a = {
+        .name = "Internal NAND flash",
+        .offset =  0,
+        .size =  MTDPART_SIZ_FULL,
+};
+
+static uint8_t scan_ff_pattern[] = { 0xff, 0xff };
+
+static struct nand_bbt_descr e400_t7l66xb_nand_bbt = {
+        .options = 0,
+        .offs = 4,
+        .len = 2,
+        .pattern = scan_ff_pattern
+};
+
+static struct tmio_nand_data e400_t7l66xb_nand_config = {
+        .num_partitions = 1,
+        .partition = &partition_a,
+        .badblock_pattern = &e400_t7l66xb_nand_bbt,
+};
+
+static struct t7l66xb_platform_data e400_t7l66xb_info = {
+        .irq_base               = IRQ_BOARD_START,
+        .enable                 = &eseries_tmio_enable,
+        .suspend                = &eseries_tmio_suspend,
+        .resume                 = &eseries_tmio_resume,
+
+        .nand_data              = &e400_t7l66xb_nand_config,
+};
+
+static struct platform_device e400_t7l66xb_device = {
+        .name           = "t7l66xb",
+        .id             = -1,
+        .dev            = {
+                .platform_data = &e400_t7l66xb_info,
+        },
+        .num_resources = 2,
+        .resource      = eseries_tmio_resources,
+};
+
+/* ---------------------------------------------------------- */
+
+static struct platform_device *devices[] __initdata = {
+        &e400_t7l66xb_device,
+};
+
 static void __init e400_init(void)
 {
         pxa2xx_mfp_config(ARRAY_AND_SIZE(e400_pin_config));
+        /* Fixme - e400 may have a switched clock */
+        eseries_register_clks();
+        eseries_get_tmio_gpios();
         set_pxa_fb_info(&e400_pxafb_mach_info);
+        platform_add_devices(devices, ARRAY_SIZE(devices));
         pxa_set_udc_info(&e7xx_udc_mach_info);
 }