#include <linux/string.h>
#include <linux/mm.h>
#include <linux/io.h>
+#include <linux/gpio.h>
#include <linux/slab.h>
#include <linux/leds.h>
#include <linux/sizes.h>
#include <linux/backlight.h>
+#include <linux/basic_mmio_gpio.h>
#include <linux/platform_device.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand-gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
-#include <mach/syspld.h>
#include <video/platform_lcd.h>
#define P720T_NAND_BASE (CLPS711X_SDRAM1_BASE)
+#define P720T_MMGPIO_BASE (CLPS711X_NR_GPIO)
+
+#define SYSPLD_PHYS_BASE IOMEM(CS1_PHYS_BASE)
+
+#define PLD_INT (SYSPLD_PHYS_BASE + 0x000000)
+#define PLD_INT_MMGPIO_BASE (P720T_MMGPIO_BASE + 0)
+#define PLD_INT_PENIRQ (PLD_INT_MMGPIO_BASE + 5)
+#define PLD_INT_UCB_IRQ (PLD_INT_MMGPIO_BASE + 1)
+#define PLD_INT_KBD_ATN (PLD_INT_MMGPIO_BASE + 0) /* EINT1 */
+
+#define PLD_PWR (SYSPLD_PHYS_BASE + 0x000004)
+#define PLD_PWR_MMGPIO_BASE (P720T_MMGPIO_BASE + 8)
+#define PLD_PWR_EXT (PLD_PWR_MMGPIO_BASE + 5)
+#define PLD_PWR_MODE (PLD_PWR_MMGPIO_BASE + 4) /* 1 = PWM, 0 = PFM */
+#define PLD_S4_ON (PLD_PWR_MMGPIO_BASE + 3) /* LCD bias voltage enable */
+#define PLD_S3_ON (PLD_PWR_MMGPIO_BASE + 2) /* LCD backlight enable */
+#define PLD_S2_ON (PLD_PWR_MMGPIO_BASE + 1) /* LCD 3V3 supply enable */
+#define PLD_S1_ON (PLD_PWR_MMGPIO_BASE + 0) /* LCD 3V supply enable */
+
+#define PLD_KBD (SYSPLD_PHYS_BASE + 0x000008)
+#define PLD_KBD_MMGPIO_BASE (P720T_MMGPIO_BASE + 16)
+#define PLD_KBD_WAKE (PLD_KBD_MMGPIO_BASE + 1)
+#define PLD_KBD_EN (PLD_KBD_MMGPIO_BASE + 0)
+
+#define PLD_SPI (SYSPLD_PHYS_BASE + 0x00000c)
+#define PLD_SPI_MMGPIO_BASE (P720T_MMGPIO_BASE + 24)
+#define PLD_SPI_EN (PLD_SPI_MMGPIO_BASE + 0)
+
+#define PLD_IO (SYSPLD_PHYS_BASE + 0x000010)
+#define PLD_IO_MMGPIO_BASE (P720T_MMGPIO_BASE + 32)
+#define PLD_IO_BOOTSEL (PLD_IO_MMGPIO_BASE + 6) /* Boot sel switch */
+#define PLD_IO_USER (PLD_IO_MMGPIO_BASE + 5) /* User defined switch */
+#define PLD_IO_LED3 (PLD_IO_MMGPIO_BASE + 4)
+#define PLD_IO_LED2 (PLD_IO_MMGPIO_BASE + 3)
+#define PLD_IO_LED1 (PLD_IO_MMGPIO_BASE + 2)
+#define PLD_IO_LED0 (PLD_IO_MMGPIO_BASE + 1)
+#define PLD_IO_LEDEN (PLD_IO_MMGPIO_BASE + 0)
+
+#define PLD_IRDA (SYSPLD_PHYS_BASE + 0x000014)
+#define PLD_IRDA_MMGPIO_BASE (P720T_MMGPIO_BASE + 40)
+#define PLD_IRDA_EN (PLD_IRDA_MMGPIO_BASE + 0)
+
+#define PLD_COM2 (SYSPLD_PHYS_BASE + 0x000018)
+#define PLD_COM2_MMGPIO_BASE (P720T_MMGPIO_BASE + 48)
+#define PLD_COM2_EN (PLD_COM2_MMGPIO_BASE + 0)
+
+#define PLD_COM1 (SYSPLD_PHYS_BASE + 0x00001c)
+#define PLD_COM1_MMGPIO_BASE (P720T_MMGPIO_BASE + 56)
+#define PLD_COM1_EN (PLD_COM1_MMGPIO_BASE + 0)
+
+#define PLD_AUD (SYSPLD_PHYS_BASE + 0x000020)
+#define PLD_AUD_MMGPIO_BASE (P720T_MMGPIO_BASE + 64)
+#define PLD_AUD_DIV1 (PLD_AUD_MMGPIO_BASE + 6)
+#define PLD_AUD_DIV0 (PLD_AUD_MMGPIO_BASE + 5)
+#define PLD_AUD_CLK_SEL1 (PLD_AUD_MMGPIO_BASE + 4)
+#define PLD_AUD_CLK_SEL0 (PLD_AUD_MMGPIO_BASE + 3)
+#define PLD_AUD_MIC_PWR (PLD_AUD_MMGPIO_BASE + 2)
+#define PLD_AUD_MIC_GAIN (PLD_AUD_MMGPIO_BASE + 1)
+#define PLD_AUD_CODEC_EN (PLD_AUD_MMGPIO_BASE + 0)
+
+#define PLD_CF (SYSPLD_PHYS_BASE + 0x000024)
+#define PLD_CF_MMGPIO_BASE (P720T_MMGPIO_BASE + 72)
+#define PLD_CF2_SLEEP (PLD_CF_MMGPIO_BASE + 5)
+#define PLD_CF1_SLEEP (PLD_CF_MMGPIO_BASE + 4)
+#define PLD_CF2_nPDREQ (PLD_CF_MMGPIO_BASE + 3)
+#define PLD_CF1_nPDREQ (PLD_CF_MMGPIO_BASE + 2)
+#define PLD_CF2_nIRQ (PLD_CF_MMGPIO_BASE + 1)
+#define PLD_CF1_nIRQ (PLD_CF_MMGPIO_BASE + 0)
+
+#define PLD_SDC (SYSPLD_PHYS_BASE + 0x000028)
+#define PLD_SDC_MMGPIO_BASE (P720T_MMGPIO_BASE + 80)
+#define PLD_SDC_INT_EN (PLD_SDC_MMGPIO_BASE + 2)
+#define PLD_SDC_WP (PLD_SDC_MMGPIO_BASE + 1)
+#define PLD_SDC_CD (PLD_SDC_MMGPIO_BASE + 0)
+
+#define PLD_CODEC (SYSPLD_PHYS_BASE + 0x400000)
+#define PLD_CODEC_MMGPIO_BASE (P720T_MMGPIO_BASE + 88)
+#define PLD_CODEC_IRQ3 (PLD_CODEC_MMGPIO_BASE + 4)
+#define PLD_CODEC_IRQ2 (PLD_CODEC_MMGPIO_BASE + 3)
+#define PLD_CODEC_IRQ1 (PLD_CODEC_MMGPIO_BASE + 2)
+#define PLD_CODEC_EN (PLD_CODEC_MMGPIO_BASE + 0)
+
+#define PLD_BRITE (SYSPLD_PHYS_BASE + 0x400004)
+#define PLD_BRITE_MMGPIO_BASE (P720T_MMGPIO_BASE + 96)
+#define PLD_BRITE_UP (PLD_BRITE_MMGPIO_BASE + 1)
+#define PLD_BRITE_DN (PLD_BRITE_MMGPIO_BASE + 0)
+
+#define PLD_LCDEN (SYSPLD_PHYS_BASE + 0x400008)
+#define PLD_LCDEN_MMGPIO_BASE (P720T_MMGPIO_BASE + 104)
+#define PLD_LCDEN_EN (PLD_LCDEN_MMGPIO_BASE + 0)
+
+#define PLD_TCH (SYSPLD_PHYS_BASE + 0x400010)
+#define PLD_TCH_MMGPIO_BASE (P720T_MMGPIO_BASE + 112)
+#define PLD_TCH_PENIRQ (PLD_TCH_MMGPIO_BASE + 1)
+#define PLD_TCH_EN (PLD_TCH_MMGPIO_BASE + 0)
+
+#define PLD_GPIO (SYSPLD_PHYS_BASE + 0x400014)
+#define PLD_GPIO_MMGPIO_BASE (P720T_MMGPIO_BASE + 120)
+#define PLD_GPIO2 (PLD_GPIO_MMGPIO_BASE + 2)
+#define PLD_GPIO1 (PLD_GPIO_MMGPIO_BASE + 1)
+#define PLD_GPIO0 (PLD_GPIO_MMGPIO_BASE + 0)
+
+static struct gpio p720t_gpios[] __initconst = {
+ { PLD_S1_ON, GPIOF_OUT_INIT_LOW, "PLD_S1_ON" },
+ { PLD_S2_ON, GPIOF_OUT_INIT_LOW, "PLD_S2_ON" },
+ { PLD_S3_ON, GPIOF_OUT_INIT_LOW, "PLD_S3_ON" },
+ { PLD_S4_ON, GPIOF_OUT_INIT_LOW, "PLD_S4_ON" },
+ { PLD_KBD_EN, GPIOF_OUT_INIT_LOW, "PLD_KBD_EN" },
+ { PLD_SPI_EN, GPIOF_OUT_INIT_LOW, "PLD_SPI_EN" },
+ { PLD_IO_USER, GPIOF_OUT_INIT_LOW, "PLD_IO_USER" },
+ { PLD_IO_LED0, GPIOF_OUT_INIT_LOW, "PLD_IO_LED0" },
+ { PLD_IO_LED1, GPIOF_OUT_INIT_LOW, "PLD_IO_LED1" },
+ { PLD_IO_LED2, GPIOF_OUT_INIT_LOW, "PLD_IO_LED2" },
+ { PLD_IO_LED3, GPIOF_OUT_INIT_LOW, "PLD_IO_LED3" },
+ { PLD_IO_LEDEN, GPIOF_OUT_INIT_LOW, "PLD_IO_LEDEN" },
+ { PLD_IRDA_EN, GPIOF_OUT_INIT_LOW, "PLD_IRDA_EN" },
+ { PLD_COM1_EN, GPIOF_OUT_INIT_HIGH, "PLD_COM1_EN" },
+ { PLD_COM2_EN, GPIOF_OUT_INIT_HIGH, "PLD_COM2_EN" },
+ { PLD_CODEC_EN, GPIOF_OUT_INIT_LOW, "PLD_CODEC_EN" },
+ { PLD_LCDEN_EN, GPIOF_OUT_INIT_LOW, "PLD_LCDEN_EN" },
+ { PLD_TCH_EN, GPIOF_OUT_INIT_LOW, "PLD_TCH_EN" },
+ { P720T_USERLED,GPIOF_OUT_INIT_LOW, "USER_LED" },
+};
+
+static struct resource p720t_mmgpio_resource[] __initdata = {
+ DEFINE_RES_MEM_NAMED(0, 4, "dat"),
+};
+
+static struct bgpio_pdata p720t_mmgpio_pdata = {
+ .ngpio = 8,
+};
+
+static struct platform_device p720t_mmgpio __initdata = {
+ .name = "basic-mmio-gpio",
+ .id = -1,
+ .resource = p720t_mmgpio_resource,
+ .num_resources = ARRAY_SIZE(p720t_mmgpio_resource),
+ .dev = {
+ .platform_data = &p720t_mmgpio_pdata,
+ },
+};
+
+static void __init p720t_mmgpio_init(void __iomem *addrbase, int gpiobase)
+{
+ p720t_mmgpio_resource[0].start = (unsigned long)addrbase;
+ p720t_mmgpio_pdata.base = gpiobase;
+
+ platform_device_register(&p720t_mmgpio);
+}
+
+static struct {
+ void __iomem *addrbase;
+ int gpiobase;
+} mmgpios[] __initconst = {
+ { PLD_INT, PLD_INT_MMGPIO_BASE },
+ { PLD_PWR, PLD_PWR_MMGPIO_BASE },
+ { PLD_KBD, PLD_KBD_MMGPIO_BASE },
+ { PLD_SPI, PLD_SPI_MMGPIO_BASE },
+ { PLD_IO, PLD_IO_MMGPIO_BASE },
+ { PLD_IRDA, PLD_IRDA_MMGPIO_BASE },
+ { PLD_COM2, PLD_COM2_MMGPIO_BASE },
+ { PLD_COM1, PLD_COM1_MMGPIO_BASE },
+ { PLD_AUD, PLD_AUD_MMGPIO_BASE },
+ { PLD_CF, PLD_CF_MMGPIO_BASE },
+ { PLD_SDC, PLD_SDC_MMGPIO_BASE },
+ { PLD_CODEC, PLD_CODEC_MMGPIO_BASE },
+ { PLD_BRITE, PLD_BRITE_MMGPIO_BASE },
+ { PLD_LCDEN, PLD_LCDEN_MMGPIO_BASE },
+ { PLD_TCH, PLD_TCH_MMGPIO_BASE },
+ { PLD_GPIO, PLD_GPIO_MMGPIO_BASE },
+};
+
static struct resource p720t_nand_resource[] __initdata = {
DEFINE_RES_MEM(P720T_NAND_BASE, SZ_4),
};
static void p720t_lcd_power_set(struct plat_lcd_data *pd, unsigned int power)
{
if (power) {
- PLD_LCDEN = PLD_LCDEN_EN;
- PLD_PWR |= PLD_S4_ON | PLD_S2_ON | PLD_S1_ON;
+ gpio_set_value(PLD_LCDEN_EN, 1);
+ gpio_set_value(PLD_S1_ON, 1);
+ gpio_set_value(PLD_S2_ON, 1);
+ gpio_set_value(PLD_S4_ON, 1);
} else {
- PLD_PWR &= ~(PLD_S4_ON | PLD_S2_ON | PLD_S1_ON);
- PLD_LCDEN = 0;
+ gpio_set_value(PLD_S1_ON, 0);
+ gpio_set_value(PLD_S2_ON, 0);
+ gpio_set_value(PLD_S4_ON, 0);
+ gpio_set_value(PLD_LCDEN_EN, 0);
}
}
static void p720t_lcd_backlight_set_intensity(int intensity)
{
- if (intensity)
- PLD_PWR |= PLD_S3_ON;
- else
- PLD_PWR = 0;
+ gpio_set_value(PLD_S3_ON, intensity);
}
static struct generic_bl_info p720t_lcd_backlight_pdata = {
.set_bl_intensity = p720t_lcd_backlight_set_intensity,
};
-/*
- * Map the P720T system PLD. It occupies two address spaces:
- * 0x10000000 and 0x10400000. We map both regions as one.
- */
-static struct map_desc p720t_io_desc[] __initdata = {
- {
- .virtual = SYSPLD_VIRT_BASE,
- .pfn = __phys_to_pfn(SYSPLD_PHYS_BASE),
- .length = SZ_8M,
- .type = MT_DEVICE,
- },
-};
-
static void __init
fixup_p720t(struct tag *tag, char **cmdline, struct meminfo *mi)
{
}
}
-static void __init p720t_map_io(void)
-{
- clps711x_map_io();
- iotable_init(p720t_io_desc, ARRAY_SIZE(p720t_io_desc));
-}
-
-static void __init p720t_init_early(void)
-{
- /*
- * Power down as much as possible in case we don't
- * have the drivers loaded.
- */
- PLD_LCDEN = 0;
- PLD_PWR &= ~(PLD_S4_ON|PLD_S3_ON|PLD_S2_ON|PLD_S1_ON);
-
- PLD_KBD = 0;
- PLD_IO = 0;
- PLD_IRDA = 0;
- PLD_CODEC = 0;
- PLD_TCH = 0;
- PLD_SPI = 0;
- if (!IS_ENABLED(CONFIG_DEBUG_LL)) {
- PLD_COM2 = 0;
- PLD_COM1 = 0;
- }
-}
-
static struct gpio_led p720t_gpio_leds[] = {
{
.name = "User LED",
static void __init p720t_init(void)
{
+ int i;
+
clps711x_devices_init();
+
+ for (i = 0; i < ARRAY_SIZE(mmgpios); i++)
+ p720t_mmgpio_init(mmgpios[i].addrbase, mmgpios[i].gpiobase);
+
+ platform_device_register(&p720t_nand_pdev);
}
static void __init p720t_init_late(void)
{
- platform_device_register(&p720t_nand_pdev);
+ WARN_ON(gpio_request_array(p720t_gpios, ARRAY_SIZE(p720t_gpios)));
+
platform_device_register_data(&platform_bus, "platform-lcd", 0,
&p720t_lcd_power_pdata,
sizeof(p720t_lcd_power_pdata));
.atag_offset = 0x100,
.nr_irqs = CLPS711X_NR_IRQS,
.fixup = fixup_p720t,
- .map_io = p720t_map_io,
- .init_early = p720t_init_early,
+ .map_io = clps711x_map_io,
+ .init_early = clps711x_init_early,
.init_irq = clps711x_init_irq,
.init_time = clps711x_timer_init,
.init_machine = p720t_init,
projects / ~andy / linux / blobdiff