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Diffstat (limited to 'arch/arm/mach-integrator/impd1.c')
-rw-r--r--arch/arm/mach-integrator/impd1.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/arch/arm/mach-integrator/impd1.c b/arch/arm/mach-integrator/impd1.c
index 3ce880729cff..38b0da300dd5 100644
--- a/arch/arm/mach-integrator/impd1.c
+++ b/arch/arm/mach-integrator/impd1.c
@@ -20,10 +20,13 @@
#include <linux/mm.h>
#include <linux/amba/bus.h>
#include <linux/amba/clcd.h>
+#include <linux/amba/mmci.h>
+#include <linux/amba/pl061.h>
#include <linux/io.h>
#include <linux/platform_data/clk-integrator.h>
#include <linux/slab.h>
#include <linux/irqchip/arm-vic.h>
+#include <linux/gpio/machine.h>
#include <asm/sizes.h>
#include "lm.h"
@@ -52,6 +55,13 @@ void impd1_tweak_control(struct device *dev, u32 mask, u32 val)
EXPORT_SYMBOL(impd1_tweak_control);
/*
+ * MMC support
+ */
+static struct mmci_platform_data mmc_data = {
+ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
+};
+
+/*
* CLCD support
*/
#define PANEL PROSPECTOR
@@ -291,6 +301,7 @@ static struct impd1_device impd1_devs[] = {
.offset = 0x00700000,
.irq = { 7, 8 },
.id = 0x00041181,
+ .platform_data = &mmc_data,
}, {
.offset = 0x00800000,
.irq = { 9 },
@@ -372,6 +383,43 @@ static int __init_refok impd1_probe(struct lm_device *dev)
pc_base = dev->resource.start + idev->offset;
snprintf(devname, 32, "lm%x:%5.5lx", dev->id, idev->offset >> 12);
+
+ /* Add GPIO descriptor lookup table for the PL061 block */
+ if (idev->offset == 0x00400000) {
+ struct gpiod_lookup_table *lookup;
+ char *chipname;
+ char *mmciname;
+
+ lookup = devm_kzalloc(&dev->dev,
+ sizeof(*lookup) + 3 * sizeof(struct gpiod_lookup),
+ GFP_KERNEL);
+ chipname = devm_kstrdup(&dev->dev, devname, GFP_KERNEL);
+ mmciname = kasprintf(GFP_KERNEL, "lm%x:00700", dev->id);
+ lookup->dev_id = mmciname;
+ /*
+ * Offsets on GPIO block 1:
+ * 3 = MMC WP (write protect)
+ * 4 = MMC CD (card detect)
+ *
+ * Offsets on GPIO block 2:
+ * 0 = Up key
+ * 1 = Down key
+ * 2 = Left key
+ * 3 = Right key
+ * 4 = Key lower left
+ * 5 = Key lower right
+ */
+ /* We need the two MMCI GPIO entries */
+ lookup->table[0].chip_label = chipname;
+ lookup->table[0].chip_hwnum = 3;
+ lookup->table[0].con_id = "wp";
+ lookup->table[1].chip_label = chipname;
+ lookup->table[1].chip_hwnum = 4;
+ lookup->table[1].con_id = "cd";
+ lookup->table[1].flags = GPIO_ACTIVE_LOW;
+ gpiod_add_lookup_table(lookup);
+ }
+
d = amba_ahb_device_add_res(&dev->dev, devname, pc_base, SZ_4K,
irq1, irq2,
idev->platform_data, idev->id,