diff options
Diffstat (limited to 'arch/arm/mach-davinci')
-rw-r--r-- | arch/arm/mach-davinci/Kconfig | 10 | ||||
-rw-r--r-- | arch/arm/mach-davinci/board-da850-evm.c | 114 | ||||
-rw-r--r-- | arch/arm/mach-davinci/da850.c | 9 | ||||
-rw-r--r-- | arch/arm/mach-davinci/devices-da8xx.c | 3 | ||||
-rw-r--r-- | arch/arm/mach-davinci/devices-tnetv107x.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-davinci/dm355.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-davinci/dm644x.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-davinci/dm646x.c | 1 | ||||
-rw-r--r-- | arch/arm/mach-davinci/dma.c | 5 | ||||
-rw-r--r-- | arch/arm/mach-davinci/include/mach/mmc.h | 3 | ||||
-rw-r--r-- | arch/arm/mach-davinci/include/mach/mux.h | 10 |
11 files changed, 154 insertions, 4 deletions
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig index c0deaca..32d837d 100644 --- a/arch/arm/mach-davinci/Kconfig +++ b/arch/arm/mach-davinci/Kconfig @@ -192,6 +192,16 @@ config DA850_UI_RMII endchoice +config DA850_WL12XX + bool "AM18x wl1271 daughter board" + depends on MACH_DAVINCI_DA850_EVM + help + The wl1271 daughter card for AM18x EVMs is a combo wireless + connectivity add-on card, based on the LS Research TiWi module with + Texas Instruments' wl1271 solution. + Say Y if you want to use a wl1271 expansion card connected to the + AM18x EVM. + config GPIO_PCA953X default MACH_DAVINCI_DA850_EVM diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c index 6e41cb5..ec21663 100644 --- a/arch/arm/mach-davinci/board-da850-evm.c +++ b/arch/arm/mach-davinci/board-da850-evm.c @@ -31,6 +31,8 @@ #include <linux/input/tps6507x-ts.h> #include <linux/spi/spi.h> #include <linux/spi/flash.h> +#include <linux/delay.h> +#include <linux/wl12xx.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -49,6 +51,9 @@ #define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0) #define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1) +#define DA850_WLAN_EN GPIO_TO_PIN(6, 9) +#define DA850_WLAN_IRQ GPIO_TO_PIN(6, 10) + #define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6) static struct mtd_partition da850evm_spiflash_part[] = { @@ -1143,6 +1148,110 @@ static __init int da850_evm_init_cpufreq(void) static __init int da850_evm_init_cpufreq(void) { return 0; } #endif +#ifdef CONFIG_DA850_WL12XX + +static void wl12xx_set_power(int index, bool power_on) +{ + static bool power_state; + + pr_debug("Powering %s wl12xx", power_on ? "on" : "off"); + + if (power_on == power_state) + return; + power_state = power_on; + + if (power_on) { + /* Power up sequence required for wl127x devices */ + gpio_set_value(DA850_WLAN_EN, 1); + usleep_range(15000, 15000); + gpio_set_value(DA850_WLAN_EN, 0); + usleep_range(1000, 1000); + gpio_set_value(DA850_WLAN_EN, 1); + msleep(70); + } else { + gpio_set_value(DA850_WLAN_EN, 0); + } +} + +static struct davinci_mmc_config da850_wl12xx_mmc_config = { + .set_power = wl12xx_set_power, + .wires = 4, + .max_freq = 25000000, + .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_NONREMOVABLE | + MMC_CAP_POWER_OFF_CARD, + .version = MMC_CTLR_VERSION_2, +}; + +static const short da850_wl12xx_pins[] __initconst = { + DA850_MMCSD1_DAT_0, DA850_MMCSD1_DAT_1, DA850_MMCSD1_DAT_2, + DA850_MMCSD1_DAT_3, DA850_MMCSD1_CLK, DA850_MMCSD1_CMD, + DA850_GPIO6_9, DA850_GPIO6_10, + -1 +}; + +static struct wl12xx_platform_data da850_wl12xx_wlan_data __initdata = { + .irq = -1, + .board_ref_clock = WL12XX_REFCLOCK_38, + .platform_quirks = WL12XX_PLATFORM_QUIRK_EDGE_IRQ, +}; + +static __init int da850_wl12xx_init(void) +{ + int ret; + + ret = davinci_cfg_reg_list(da850_wl12xx_pins); + if (ret) { + pr_err("wl12xx/mmc mux setup failed: %d\n", ret); + goto exit; + } + + ret = da850_register_mmcsd1(&da850_wl12xx_mmc_config); + if (ret) { + pr_err("wl12xx/mmc registration failed: %d\n", ret); + goto exit; + } + + ret = gpio_request_one(DA850_WLAN_EN, GPIOF_OUT_INIT_LOW, "wl12xx_en"); + if (ret) { + pr_err("Could not request wl12xx enable gpio: %d\n", ret); + goto exit; + } + + ret = gpio_request_one(DA850_WLAN_IRQ, GPIOF_IN, "wl12xx_irq"); + if (ret) { + pr_err("Could not request wl12xx irq gpio: %d\n", ret); + goto free_wlan_en; + } + + da850_wl12xx_wlan_data.irq = gpio_to_irq(DA850_WLAN_IRQ); + + ret = wl12xx_set_platform_data(&da850_wl12xx_wlan_data); + if (ret) { + pr_err("Could not set wl12xx data: %d\n", ret); + goto free_wlan_irq; + } + + return 0; + +free_wlan_irq: + gpio_free(DA850_WLAN_IRQ); + +free_wlan_en: + gpio_free(DA850_WLAN_EN); + +exit: + return ret; +} + +#else /* CONFIG_DA850_WL12XX */ + +static __init int da850_wl12xx_init(void) +{ + return 0; +} + +#endif /* CONFIG_DA850_WL12XX */ + #define DA850EVM_SATA_REFCLKPN_RATE (100 * 1000 * 1000) static __init void da850_evm_init(void) @@ -1197,6 +1306,11 @@ static __init void da850_evm_init(void) if (ret) pr_warning("da850_evm_init: mmcsd0 registration failed:" " %d\n", ret); + + ret = da850_wl12xx_init(); + if (ret) + pr_warning("da850_evm_init: wl12xx initialization" + " failed: %d\n", ret); } davinci_serial_init(&da850_evm_uart_config); diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c index 4aae015..b047f87 100644 --- a/arch/arm/mach-davinci/da850.c +++ b/arch/arm/mach-davinci/da850.c @@ -536,6 +536,13 @@ static const struct mux_config da850_pins[] = { MUX_CFG(DA850, MMCSD0_DAT_3, 10, 20, 15, 2, false) MUX_CFG(DA850, MMCSD0_CLK, 10, 0, 15, 2, false) MUX_CFG(DA850, MMCSD0_CMD, 10, 4, 15, 2, false) + /* MMC/SD1 function */ + MUX_CFG(DA850, MMCSD1_DAT_0, 18, 8, 15, 2, false) + MUX_CFG(DA850, MMCSD1_DAT_1, 19, 16, 15, 2, false) + MUX_CFG(DA850, MMCSD1_DAT_2, 19, 12, 15, 2, false) + MUX_CFG(DA850, MMCSD1_DAT_3, 19, 8, 15, 2, false) + MUX_CFG(DA850, MMCSD1_CLK, 18, 12, 15, 2, false) + MUX_CFG(DA850, MMCSD1_CMD, 18, 16, 15, 2, false) /* EMIF2.5/EMIFA function */ MUX_CFG(DA850, EMA_D_7, 9, 0, 15, 1, false) MUX_CFG(DA850, EMA_D_6, 9, 4, 15, 1, false) @@ -594,6 +601,8 @@ static const struct mux_config da850_pins[] = { MUX_CFG(DA850, GPIO3_13, 7, 8, 15, 8, false) MUX_CFG(DA850, GPIO4_0, 10, 28, 15, 8, false) MUX_CFG(DA850, GPIO4_1, 10, 24, 15, 8, false) + MUX_CFG(DA850, GPIO6_9, 13, 24, 15, 8, false) + MUX_CFG(DA850, GPIO6_10, 13, 20, 15, 8, false) MUX_CFG(DA850, GPIO6_13, 13, 8, 15, 8, false) MUX_CFG(DA850, RTC_ALARM, 0, 28, 15, 2, false) #endif diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c index 2f7e719..68def71 100644 --- a/arch/arm/mach-davinci/devices-da8xx.c +++ b/arch/arm/mach-davinci/devices-da8xx.c @@ -136,6 +136,7 @@ static struct edma_soc_info da830_edma_cc0_info = { .n_cc = 1, .queue_tc_mapping = da8xx_queue_tc_mapping, .queue_priority_mapping = da8xx_queue_priority_mapping, + .default_queue = EVENTQ_1, }; static struct edma_soc_info *da830_edma_info[EDMA_MAX_CC] = { @@ -151,6 +152,7 @@ static struct edma_soc_info da850_edma_cc_info[] = { .n_cc = 1, .queue_tc_mapping = da8xx_queue_tc_mapping, .queue_priority_mapping = da8xx_queue_priority_mapping, + .default_queue = EVENTQ_1, }, { .n_channel = 32, @@ -160,6 +162,7 @@ static struct edma_soc_info da850_edma_cc_info[] = { .n_cc = 1, .queue_tc_mapping = da850_queue_tc_mapping, .queue_priority_mapping = da850_queue_priority_mapping, + .default_queue = EVENTQ_0, }, }; diff --git a/arch/arm/mach-davinci/devices-tnetv107x.c b/arch/arm/mach-davinci/devices-tnetv107x.c index 6162cae..29b17f7 100644 --- a/arch/arm/mach-davinci/devices-tnetv107x.c +++ b/arch/arm/mach-davinci/devices-tnetv107x.c @@ -80,6 +80,7 @@ static struct edma_soc_info edma_cc0_info = { .n_cc = 1, .queue_tc_mapping = edma_tc_mapping, .queue_priority_mapping = edma_priority_mapping, + .default_queue = EVENTQ_1, }; static struct edma_soc_info *tnetv107x_edma_info[EDMA_MAX_CC] = { diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c index c143f43..fe520d4 100644 --- a/arch/arm/mach-davinci/dm355.c +++ b/arch/arm/mach-davinci/dm355.c @@ -591,6 +591,7 @@ static struct edma_soc_info edma_cc0_info = { .n_cc = 1, .queue_tc_mapping = queue_tc_mapping, .queue_priority_mapping = queue_priority_mapping, + .default_queue = EVENTQ_1, }; static struct edma_soc_info *dm355_edma_info[EDMA_MAX_CC] = { diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c index 9a27466..3470983 100644 --- a/arch/arm/mach-davinci/dm644x.c +++ b/arch/arm/mach-davinci/dm644x.c @@ -514,6 +514,7 @@ static struct edma_soc_info edma_cc0_info = { .n_cc = 1, .queue_tc_mapping = queue_tc_mapping, .queue_priority_mapping = queue_priority_mapping, + .default_queue = EVENTQ_1, }; static struct edma_soc_info *dm644x_edma_info[EDMA_MAX_CC] = { diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c index 03e5f49..0b68ed5 100644 --- a/arch/arm/mach-davinci/dm646x.c +++ b/arch/arm/mach-davinci/dm646x.c @@ -555,6 +555,7 @@ static struct edma_soc_info edma_cc0_info = { .n_cc = 1, .queue_tc_mapping = dm646x_queue_tc_mapping, .queue_priority_mapping = dm646x_queue_priority_mapping, + .default_queue = EVENTQ_1, }; static struct edma_soc_info *dm646x_edma_info[EDMA_MAX_CC] = { diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c index 6b96698..da90103 100644 --- a/arch/arm/mach-davinci/dma.c +++ b/arch/arm/mach-davinci/dma.c @@ -1435,12 +1435,11 @@ static int __init edma_probe(struct platform_device *pdev) goto fail1; } - edma_cc[j] = kmalloc(sizeof(struct edma), GFP_KERNEL); + edma_cc[j] = kzalloc(sizeof(struct edma), GFP_KERNEL); if (!edma_cc[j]) { status = -ENOMEM; goto fail1; } - memset(edma_cc[j], 0, sizeof(struct edma)); edma_cc[j]->num_channels = min_t(unsigned, info[j]->n_channel, EDMA_MAX_DMACH); @@ -1450,8 +1449,6 @@ static int __init edma_probe(struct platform_device *pdev) EDMA_MAX_CC); edma_cc[j]->default_queue = info[j]->default_queue; - if (!edma_cc[j]->default_queue) - edma_cc[j]->default_queue = EVENTQ_1; dev_dbg(&pdev->dev, "DMA REG BASE ADDR=%p\n", edmacc_regs_base[j]); diff --git a/arch/arm/mach-davinci/include/mach/mmc.h b/arch/arm/mach-davinci/include/mach/mmc.h index d4f1e96..5ba6b22 100644 --- a/arch/arm/mach-davinci/include/mach/mmc.h +++ b/arch/arm/mach-davinci/include/mach/mmc.h @@ -12,6 +12,9 @@ struct davinci_mmc_config { /* get_cd()/get_wp() may sleep */ int (*get_cd)(int module); int (*get_ro)(int module); + + void (*set_power)(int module, bool on); + /* wires == 0 is equivalent to wires == 4 (4-bit parallel) */ u8 wires; diff --git a/arch/arm/mach-davinci/include/mach/mux.h b/arch/arm/mach-davinci/include/mach/mux.h index 5d4e0fe..a7e92fc 100644 --- a/arch/arm/mach-davinci/include/mach/mux.h +++ b/arch/arm/mach-davinci/include/mach/mux.h @@ -857,6 +857,14 @@ enum davinci_da850_index { DA850_MMCSD0_CLK, DA850_MMCSD0_CMD, + /* MMC/SD1 function */ + DA850_MMCSD1_DAT_0, + DA850_MMCSD1_DAT_1, + DA850_MMCSD1_DAT_2, + DA850_MMCSD1_DAT_3, + DA850_MMCSD1_CLK, + DA850_MMCSD1_CMD, + /* EMIF2.5/EMIFA function */ DA850_EMA_D_7, DA850_EMA_D_6, @@ -916,6 +924,8 @@ enum davinci_da850_index { DA850_GPIO3_13, DA850_GPIO4_0, DA850_GPIO4_1, + DA850_GPIO6_9, + DA850_GPIO6_10, DA850_GPIO6_13, DA850_RTC_ALARM, }; |