diff options
Diffstat (limited to 'arch/arm/mach-integrator/impd1.c')
| -rw-r--r-- | arch/arm/mach-integrator/impd1.c | 48 |
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, |