]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/arm/mach-omap2/board-rx51-peripherals.c
Merge branch 'omap-fixes'
[linux-2.6-omap-h63xx.git] / arch / arm / mach-omap2 / board-rx51-peripherals.c
index 49c3d80eff58237155dca31d8862b895807a2ccd..22183aff1669fafb32d5f6a0dd5da8c42c208997 100644 (file)
 #include <mach/dma.h>
 #include <mach/gpmc.h>
 
-#define RX51_ETHR_GPIO_IRQ             54
+#include "mmc-twl4030.h"
+
+#define SYSTEM_REV_B_USES_VAUX3 0x1699
+#define SYSTEM_REV_S_USES_VAUX3 0x8
+
+#define SMC91X_CS                      1
+#define SMC91X_GPIO_IRQ                        54
+#define SMC91X_GPIO_RESET              164
+#define SMC91X_GPIO_PWRDWN             86
 
 #define RX51_TSC2005_RESET_GPIO                104
 #define RX51_TSC2005_IRQ_GPIO          100
 
-#define        RX51_SMC91X_CS                  1
-
 static struct resource rx51_smc91x_resources[] = {
        [0] = {
                .flags          = IORESOURCE_MEM,
@@ -71,7 +77,6 @@ static struct omap2_mcspi_device_config tsc2005_mcspi_config = {
        .single_channel = 1,
 };
 
-
 static struct spi_board_info rx51_peripherals_spi_board_info[] = {
        [0] = {
                .modalias               = "tsc2005",
@@ -95,19 +100,19 @@ static int rx51_keymap[] = {
        KEY(0, 7, KEY_I),
        KEY(1, 0, KEY_O),
        KEY(1, 1, KEY_D),
-       KEY(1, 2, KEY_DOT ),
+       KEY(1, 2, KEY_DOT),
        KEY(1, 3, KEY_V),
-       KEY(1, 4, KEY_DOWN ),
+       KEY(1, 4, KEY_DOWN),
        KEY(2, 0, KEY_P),
        KEY(2, 1, KEY_F),
-       KEY(2, 2, KEY_UP ),
+       KEY(2, 2, KEY_UP),
        KEY(2, 3, KEY_B),
-       KEY(2, 4, KEY_RIGHT ),
-       KEY(3, 0, KEY_COMMA ),
+       KEY(2, 4, KEY_RIGHT),
+       KEY(3, 0, KEY_COMMA),
        KEY(3, 1, KEY_G),
-       KEY(3, 2, KEY_ENTER ),
+       KEY(3, 2, KEY_ENTER),
        KEY(3, 3, KEY_N),
-       KEY(4, 0, KEY_BACKSPACE ),
+       KEY(4, 0, KEY_BACKSPACE),
        KEY(4, 1, KEY_H),
        KEY(4, 3, KEY_M),
        KEY(4, 4, KEY_LEFTCTRL),
@@ -119,7 +124,7 @@ static int rx51_keymap[] = {
        KEY(6, 1, KEY_K),
        KEY(6, 2, KEY_X),
        KEY(6, 3, KEY_SPACE),
-       KEY(6, 4, KEY_FN ),
+       KEY(6, 4, KEY_FN),
        KEY(7, 0, KEY_S),
        KEY(7, 1, KEY_L),
        KEY(7, 2, KEY_C),
@@ -143,37 +148,92 @@ static struct platform_device *rx51_peripherals_devices[] = {
        &rx51_smc91x_device,
 };
 
+/*
+ * Timings are taken from smsc-lan91c96-ms.pdf
+ */
+static int smc91x_init_gpmc(int cs)
+{
+       struct gpmc_timings t;
+       const int t2_r = 45;            /* t2 in Figure 12.10 */
+       const int t2_w = 30;            /* t2 in Figure 12.11 */
+       const int t3 = 15;              /* t3 in Figure 12.10 */
+       const int t5_r = 0;             /* t5 in Figure 12.10 */
+       const int t6_r = 45;            /* t6 in Figure 12.10 */
+       const int t6_w = 0;             /* t6 in Figure 12.11 */
+       const int t7_w = 15;            /* t7 in Figure 12.11 */
+       const int t15 = 12;             /* t15 in Figure 12.2 */
+       const int t20 = 185;            /* t20 in Figure 12.2 */
+
+       memset(&t, 0, sizeof(t));
+
+       t.cs_on = t15;
+       t.cs_rd_off = t3 + t2_r + t5_r; /* Figure 12.10 */
+       t.cs_wr_off = t3 + t2_w + t6_w; /* Figure 12.11 */
+       t.adv_on = t3;                  /* Figure 12.10 */
+       t.adv_rd_off = t3 + t2_r;       /* Figure 12.10 */
+       t.adv_wr_off = t3 + t2_w;       /* Figure 12.11 */
+       t.oe_off = t3 + t2_r + t5_r;    /* Figure 12.10 */
+       t.oe_on = t.oe_off - t6_r;      /* Figure 12.10 */
+       t.we_off = t3 + t2_w + t6_w;    /* Figure 12.11 */
+       t.we_on = t.we_off - t7_w;      /* Figure 12.11 */
+       t.rd_cycle = t20;               /* Figure 12.2 */
+       t.wr_cycle = t20;               /* Figure 12.4 */
+       t.access = t3 + t2_r + t5_r;    /* Figure 12.10 */
+       t.wr_access = t3 + t2_w + t6_w; /* Figure 12.11 */
+
+       gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, GPMC_CONFIG1_DEVICESIZE_16);
+
+       return gpmc_cs_set_timings(cs, &t);
+}
+
 static void __init rx51_init_smc91x(void)
 {
-       int eth_cs;
        unsigned long cs_mem_base;
-       unsigned int rate;
-       struct clk *l3ck;
+       int ret;
 
-       eth_cs  = RX51_SMC91X_CS;
+       omap_cfg_reg(U8_34XX_GPIO54_DOWN);
+       omap_cfg_reg(G25_34XX_GPIO86_OUT);
+       omap_cfg_reg(H19_34XX_GPIO164_OUT);
 
-       l3ck = clk_get(NULL, "core_l3_ck");
-       if (IS_ERR(l3ck))
-               rate = 100000000;
-       else
-               rate = clk_get_rate(l3ck);
-
-       if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
+       if (gpmc_cs_request(SMC91X_CS, SZ_16M, &cs_mem_base) < 0) {
                printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
                return;
        }
 
-       rx51_smc91x_resources[0].start = cs_mem_base + 0x0;
-       rx51_smc91x_resources[0].end   = cs_mem_base + 0xf;
-       udelay(100);
+       rx51_smc91x_resources[0].start = cs_mem_base + 0x300;
+       rx51_smc91x_resources[0].end = cs_mem_base + 0x30f;
 
-       if (gpio_request(RX51_ETHR_GPIO_IRQ, "SMC91X irq") < 0) {
-               printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
-                       RX51_ETHR_GPIO_IRQ);
-               return;
-       }
-       gpio_direction_input(RX51_ETHR_GPIO_IRQ);
-       rx51_smc91x_resources[1].start = gpio_to_irq(RX51_ETHR_GPIO_IRQ);
+       smc91x_init_gpmc(SMC91X_CS);
+
+       if (gpio_request(SMC91X_GPIO_IRQ, "SMC91X irq") < 0)
+               goto free1;
+
+       gpio_direction_input(SMC91X_GPIO_IRQ);
+       rx51_smc91x_resources[1].start = gpio_to_irq(SMC91X_GPIO_IRQ);
+
+       ret = gpio_request(SMC91X_GPIO_PWRDWN, "SMC91X powerdown");
+       if (ret)
+               goto free2;
+       gpio_direction_output(SMC91X_GPIO_PWRDWN, 0);
+
+       ret = gpio_request(SMC91X_GPIO_RESET, "SMC91X reset");
+       if (ret)
+               goto free3;
+       gpio_direction_output(SMC91X_GPIO_RESET, 0);
+       gpio_set_value(SMC91X_GPIO_RESET, 1);
+       msleep(100);
+       gpio_set_value(SMC91X_GPIO_RESET, 0);
+
+       return;
+
+free3:
+       gpio_free(SMC91X_GPIO_PWRDWN);
+free2:
+       gpio_free(SMC91X_GPIO_IRQ);
+free1:
+       gpmc_cs_free(SMC91X_CS);
+
+       printk(KERN_ERR "Could not initialize smc91x\n");
 }
 
 static void __init rx51_init_tsc2005(void)
@@ -192,6 +252,37 @@ static struct twl4030_madc_platform_data rx51_madc_data = {
        .irq_line               = 1,
 };
 
+static struct twl4030_hsmmc_info mmc[] = {
+       {
+               .name           = "external",
+               .mmc            = 1,
+               .wires          = 4,
+               .cover_only     = true,
+               .gpio_cd        = 160,
+               .gpio_wp        = -EINVAL,
+       },
+       {
+               .name           = "internal",
+               .mmc            = 2,
+               .wires          = 8,
+               .gpio_cd        = -EINVAL,
+               .gpio_wp        = -EINVAL,
+       },
+       {}      /* Terminator */
+};
+
+static struct regulator_consumer_supply rx51_vmmc1_supply = {
+       .supply                 = "vmmc",
+};
+
+static struct regulator_consumer_supply rx51_vmmc2_supply = {
+       .supply                 = "vmmc",
+};
+
+static struct regulator_consumer_supply rx51_vsim_supply = {
+       .supply                 = "vmmc_aux",
+};
+
 static struct regulator_init_data rx51_vaux1 = {
        .constraints = {
                .name                   = "V28",
@@ -217,7 +308,7 @@ static struct regulator_init_data rx51_vaux2 = {
 };
 
 /* VAUX3 - adds more power to VIO_18 rail */
-static struct regulator_init_data rx51_vaux3 = {
+static struct regulator_init_data rx51_vaux3_cam = {
        .constraints = {
                .name                   = "VCAM_DIG_18",
                .min_uV                 = 1800000,
@@ -230,6 +321,22 @@ static struct regulator_init_data rx51_vaux3 = {
        },
 };
 
+static struct regulator_init_data rx51_vaux3_mmc = {
+       .constraints = {
+               .name                   = "VMMC2_30",
+               .min_uV                 = 2800000,
+               .max_uV                 = 3000000,
+               .apply_uV               = true,
+               .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                       | REGULATOR_MODE_STANDBY,
+               .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
+                                       | REGULATOR_CHANGE_MODE
+                                       | REGULATOR_CHANGE_STATUS,
+       },
+       .num_consumer_supplies  = 1,
+       .consumer_supplies      = &rx51_vmmc2_supply,
+};
+
 static struct regulator_init_data rx51_vaux4 = {
        .constraints = {
                .name                   = "VCAM_ANA_28",
@@ -253,6 +360,8 @@ static struct regulator_init_data rx51_vmmc1 = {
                                        | REGULATOR_CHANGE_MODE
                                        | REGULATOR_CHANGE_STATUS,
        },
+       .num_consumer_supplies  = 1,
+       .consumer_supplies      = &rx51_vmmc1_supply,
 };
 
 static struct regulator_init_data rx51_vmmc2 = {
@@ -267,6 +376,8 @@ static struct regulator_init_data rx51_vmmc2 = {
                                        | REGULATOR_CHANGE_MODE
                                        | REGULATOR_CHANGE_STATUS,
        },
+       .num_consumer_supplies  = 1,
+       .consumer_supplies      = &rx51_vmmc2_supply,
 };
 
 static struct regulator_init_data rx51_vsim = {
@@ -280,6 +391,8 @@ static struct regulator_init_data rx51_vsim = {
                .valid_ops_mask         = REGULATOR_CHANGE_MODE
                                        | REGULATOR_CHANGE_STATUS,
        },
+       .num_consumer_supplies  = 1,
+       .consumer_supplies      = &rx51_vsim_supply,
 };
 
 static struct regulator_init_data rx51_vdac = {
@@ -302,7 +415,11 @@ static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n)
        gpio_request(gpio + 7, "speaker_en");
        gpio_direction_output(gpio + 7, 1);
 
-       /* FIXME connect power supplies to devices; register MMC */
+       /* set up MMC adapters, linking their regulators to them */
+       twl4030_mmc_init(mmc);
+       rx51_vmmc1_supply.dev = mmc[0].dev;
+       rx51_vmmc2_supply.dev = mmc[1].dev;
+       rx51_vsim_supply.dev = mmc[1].dev;
 
        return 0;
 }
@@ -330,10 +447,8 @@ static struct twl4030_platform_data rx51_twldata = {
 
        .vaux1                  = &rx51_vaux1,
        .vaux2                  = &rx51_vaux2,
-       .vaux3                  = &rx51_vaux3,
        .vaux4                  = &rx51_vaux4,
        .vmmc1                  = &rx51_vmmc1,
-       .vmmc2                  = &rx51_vmmc2,
        .vsim                   = &rx51_vsim,
        .vdac                   = &rx51_vdac,
 };
@@ -349,6 +464,13 @@ static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
 
 static int __init rx51_i2c_init(void)
 {
+       if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) ||
+           system_rev >= SYSTEM_REV_B_USES_VAUX3)
+               rx51_twldata.vaux3 = &rx51_vaux3_mmc;
+       else {
+               rx51_twldata.vaux3 = &rx51_vaux3_cam;
+               rx51_twldata.vmmc2 = &rx51_vmmc2;
+       }
        omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1,
                        ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
        omap_register_i2c_bus(2, 100, NULL, 0);