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Merge branch 'davinci-next' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-davinci into devel-stable

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This commit is contained in:
Russell King 2011-03-14 22:26:30 +00:00
commit 5821c95ffb
16 changed files with 789 additions and 147 deletions
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3
MAINTAINERS
View File

@ -5658,7 +5658,8 @@ F: arch/arm/mach-s3c2410/bast-ide.c
F: arch/arm/mach-s3c2410/bast-irq.c
TI DAVINCI MACHINE SUPPORT
M: Kevin Hilman <khilman@deeprootsystems.com>
M: Sekhar Nori <nsekhar@ti.com>
M: Kevin Hilman <khilman@ti.com>
L: davinci-linux-open-source@linux.davincidsp.com (subscribers-only)
Q: http://patchwork.kernel.org/project/linux-davinci/list/
S: Supported

67
arch/arm/mach-davinci/board-da830-evm.c
View File

@ -20,6 +20,8 @@
#include <linux/i2c/at24.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@ -30,6 +32,7 @@
#include <mach/da8xx.h>
#include <mach/usb.h>
#include <mach/aemif.h>
#include <mach/spi.h>
#define DA830_EVM_PHY_ID ""
/*
@ -534,6 +537,64 @@ static struct edma_rsv_info da830_edma_rsv[] = {
},
};
static struct mtd_partition da830evm_spiflash_part[] = {
[0] = {
.name = "DSP-UBL",
.offset = 0,
.size = SZ_8K,
.mask_flags = MTD_WRITEABLE,
},
[1] = {
.name = "ARM-UBL",
.offset = MTDPART_OFS_APPEND,
.size = SZ_16K + SZ_8K,
.mask_flags = MTD_WRITEABLE,
},
[2] = {
.name = "U-Boot",
.offset = MTDPART_OFS_APPEND,
.size = SZ_256K - SZ_32K,
.mask_flags = MTD_WRITEABLE,
},
[3] = {
.name = "U-Boot-Environment",
.offset = MTDPART_OFS_APPEND,
.size = SZ_16K,
.mask_flags = 0,
},
[4] = {
.name = "Kernel",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0,
},
};
static struct flash_platform_data da830evm_spiflash_data = {
.name = "m25p80",
.parts = da830evm_spiflash_part,
.nr_parts = ARRAY_SIZE(da830evm_spiflash_part),
.type = "w25x32",
};
static struct davinci_spi_config da830evm_spiflash_cfg = {
.io_type = SPI_IO_TYPE_DMA,
.c2tdelay = 8,
.t2cdelay = 8,
};
static struct spi_board_info da830evm_spi_info[] = {
{
.modalias = "m25p80",
.platform_data = &da830evm_spiflash_data,
.controller_data = &da830evm_spiflash_cfg,
.mode = SPI_MODE_0,
.max_speed_hz = 30000000,
.bus_num = 0,
.chip_select = 0,
},
};
static __init void da830_evm_init(void)
{
struct davinci_soc_info *soc_info = &davinci_soc_info;
@ -590,6 +651,12 @@ static __init void da830_evm_init(void)
ret = da8xx_register_rtc();
if (ret)
pr_warning("da830_evm_init: rtc setup failed: %d\n", ret);
ret = da8xx_register_spi(0, da830evm_spi_info,
ARRAY_SIZE(da830evm_spi_info));
if (ret)
pr_warning("da830_evm_init: spi 0 registration failed: %d\n",
ret);
}
#ifdef CONFIG_SERIAL_8250_CONSOLE

96
arch/arm/mach-davinci/board-da850-evm.c
View File

@ -29,6 +29,8 @@
#include <linux/regulator/machine.h>
#include <linux/regulator/tps6507x.h>
#include <linux/input/tps6507x-ts.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@ -38,6 +40,7 @@
#include <mach/nand.h>
#include <mach/mux.h>
#include <mach/aemif.h>
#include <mach/spi.h>
#define DA850_EVM_PHY_ID "0:00"
#define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8)
@ -48,6 +51,70 @@
#define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6)
static struct mtd_partition da850evm_spiflash_part[] = {
[0] = {
.name = "UBL",
.offset = 0,
.size = SZ_64K,
.mask_flags = MTD_WRITEABLE,
},
[1] = {
.name = "U-Boot",
.offset = MTDPART_OFS_APPEND,
.size = SZ_512K,
.mask_flags = MTD_WRITEABLE,
},
[2] = {
.name = "U-Boot-Env",
.offset = MTDPART_OFS_APPEND,
.size = SZ_64K,
.mask_flags = MTD_WRITEABLE,
},
[3] = {
.name = "Kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_2M + SZ_512K,
.mask_flags = 0,
},
[4] = {
.name = "Filesystem",
.offset = MTDPART_OFS_APPEND,
.size = SZ_4M,
.mask_flags = 0,
},
[5] = {
.name = "MAC-Address",
.offset = SZ_8M - SZ_64K,
.size = SZ_64K,
.mask_flags = MTD_WRITEABLE,
},
};
static struct flash_platform_data da850evm_spiflash_data = {
.name = "m25p80",
.parts = da850evm_spiflash_part,
.nr_parts = ARRAY_SIZE(da850evm_spiflash_part),
.type = "m25p64",
};
static struct davinci_spi_config da850evm_spiflash_cfg = {
.io_type = SPI_IO_TYPE_DMA,
.c2tdelay = 8,
.t2cdelay = 8,
};
static struct spi_board_info da850evm_spi_info[] = {
{
.modalias = "m25p80",
.platform_data = &da850evm_spiflash_data,
.controller_data = &da850evm_spiflash_cfg,
.mode = SPI_MODE_0,
.max_speed_hz = 30000000,
.bus_num = 1,
.chip_select = 0,
},
};
static struct mtd_partition da850_evm_norflash_partition[] = {
{
.name = "bootloaders + env",
@ -231,8 +298,6 @@ static const short da850_evm_nor_pins[] = {
-1
};
static u32 ui_card_detected;
#if defined(CONFIG_MMC_DAVINCI) || \
defined(CONFIG_MMC_DAVINCI_MODULE)
#define HAS_MMC 1
@ -244,7 +309,7 @@ static inline void da850_evm_setup_nor_nand(void)
{
int ret = 0;
if (ui_card_detected & !HAS_MMC) {
if (!HAS_MMC) {
ret = davinci_cfg_reg_list(da850_evm_nand_pins);
if (ret)
pr_warning("da850_evm_init: nand mux setup failed: "
@ -394,7 +459,6 @@ static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
goto exp_setup_keys_fail;
}
ui_card_detected = 1;
pr_info("DA850/OMAP-L138 EVM UI card detected\n");
da850_evm_setup_nor_nand();
@ -664,6 +728,13 @@ static struct snd_platform_data da850_evm_snd_data = {
.rxnumevt = 1,
};
static const short da850_evm_mcasp_pins[] __initconst = {
DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
DA850_AXR_11, DA850_AXR_12,
-1
};
static int da850_evm_mmc_get_ro(int index)
{
return gpio_get_value(DA850_MMCSD_WP_PIN);
@ -683,6 +754,13 @@ static struct davinci_mmc_config da850_mmc_config = {
.version = MMC_CTLR_VERSION_2,
};
static const short da850_evm_mmcsd0_pins[] __initconst = {
DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
DA850_GPIO4_0, DA850_GPIO4_1,
-1
};
static void da850_panel_power_ctrl(int val)
{
/* lcd backlight */
@ -1070,7 +1148,7 @@ static __init void da850_evm_init(void)
ret);
if (HAS_MMC) {
ret = davinci_cfg_reg_list(da850_mmcsd0_pins);
ret = davinci_cfg_reg_list(da850_evm_mmcsd0_pins);
if (ret)
pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
" %d\n", ret);
@ -1106,7 +1184,7 @@ static __init void da850_evm_init(void)
__raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
__raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
ret = davinci_cfg_reg_list(da850_mcasp_pins);
ret = davinci_cfg_reg_list(da850_evm_mcasp_pins);
if (ret)
pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
ret);
@ -1153,6 +1231,12 @@ static __init void da850_evm_init(void)
if (ret)
pr_warning("da850_evm_init: suspend registration failed: %d\n",
ret);
ret = da8xx_register_spi(1, da850evm_spi_info,
ARRAY_SIZE(da850evm_spi_info));
if (ret)
pr_warning("da850_evm_init: spi 1 registration failed: %d\n",
ret);
}
#ifdef CONFIG_SERIAL_8250_CONSOLE

167
arch/arm/mach-davinci/board-mityomapl138.c
View File

@ -17,6 +17,8 @@
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
#include <linux/etherdevice.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@ -25,6 +27,7 @@
#include <mach/da8xx.h>
#include <mach/nand.h>
#include <mach/mux.h>
#include <mach/spi.h>
#define MITYOMAPL138_PHY_ID "0:03"
@ -44,38 +47,109 @@ struct factory_config {
static struct factory_config factory_config;
struct part_no_info {
const char *part_no; /* part number string of interest */
int max_freq; /* khz */
};
static struct part_no_info mityomapl138_pn_info[] = {
{
.part_no = "L138-C",
.max_freq = 300000,
},
{
.part_no = "L138-D",
.max_freq = 375000,
},
{
.part_no = "L138-F",
.max_freq = 456000,
},
{
.part_no = "1808-C",
.max_freq = 300000,
},
{
.part_no = "1808-D",
.max_freq = 375000,
},
{
.part_no = "1808-F",
.max_freq = 456000,
},
{
.part_no = "1810-D",
.max_freq = 375000,
},
};
#ifdef CONFIG_CPU_FREQ
static void mityomapl138_cpufreq_init(const char *partnum)
{
int i, ret;
for (i = 0; partnum && i < ARRAY_SIZE(mityomapl138_pn_info); i++) {
/*
* the part number has additional characters beyond what is
* stored in the table. This information is not needed for
* determining the speed grade, and would require several
* more table entries. Only check the first N characters
* for a match.
*/
if (!strncmp(partnum, mityomapl138_pn_info[i].part_no,
strlen(mityomapl138_pn_info[i].part_no))) {
da850_max_speed = mityomapl138_pn_info[i].max_freq;
break;
}
}
ret = da850_register_cpufreq("pll0_sysclk3");
if (ret)
pr_warning("cpufreq registration failed: %d\n", ret);
}
#else
static void mityomapl138_cpufreq_init(const char *partnum) { }
#endif
static void read_factory_config(struct memory_accessor *a, void *context)
{
int ret;
const char *partnum = NULL;
struct davinci_soc_info *soc_info = &davinci_soc_info;
ret = a->read(a, (char *)&factory_config, 0, sizeof(factory_config));
if (ret != sizeof(struct factory_config)) {
pr_warning("MityOMAPL138: Read Factory Config Failed: %d\n",
ret);
return;
goto bad_config;
}
if (factory_config.magic != FACTORY_CONFIG_MAGIC) {
pr_warning("MityOMAPL138: Factory Config Magic Wrong (%X)\n",
factory_config.magic);
return;
goto bad_config;
}
if (factory_config.version != FACTORY_CONFIG_VERSION) {
pr_warning("MityOMAPL138: Factory Config Version Wrong (%X)\n",
factory_config.version);
return;
goto bad_config;
}
pr_info("MityOMAPL138: Found MAC = %pM\n", factory_config.mac);
pr_info("MityOMAPL138: Part Number = %s\n", factory_config.partnum);
if (is_valid_ether_addr(factory_config.mac))
memcpy(soc_info->emac_pdata->mac_addr,
factory_config.mac, ETH_ALEN);
else
pr_warning("MityOMAPL138: Invalid MAC found "
"in factory config block\n");
partnum = factory_config.partnum;
pr_info("MityOMAPL138: Part Number = %s\n", partnum);
bad_config:
/* default maximum speed is valid for all platforms */
mityomapl138_cpufreq_init(partnum);
}
static struct at24_platform_data mityomapl138_fd_chip = {
@ -222,6 +296,82 @@ static int __init pmic_tps65023_init(void)
ARRAY_SIZE(mityomap_tps65023_info));
}
/*
* SPI Devices:
* SPI1_CS0: 8M Flash ST-M25P64-VME6G
*/
static struct mtd_partition spi_flash_partitions[] = {
[0] = {
.name = "ubl",
.offset = 0,
.size = SZ_64K,
.mask_flags = MTD_WRITEABLE,
},
[1] = {
.name = "u-boot",
.offset = MTDPART_OFS_APPEND,
.size = SZ_512K,
.mask_flags = MTD_WRITEABLE,
},
[2] = {
.name = "u-boot-env",
.offset = MTDPART_OFS_APPEND,
.size = SZ_64K,
.mask_flags = MTD_WRITEABLE,
},
[3] = {
.name = "periph-config",
.offset = MTDPART_OFS_APPEND,
.size = SZ_64K,
.mask_flags = MTD_WRITEABLE,
},
[4] = {
.name = "reserved",
.offset = MTDPART_OFS_APPEND,
.size = SZ_256K + SZ_64K,
},
[5] = {
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_2M + SZ_1M,
},
[6] = {
.name = "fpga",
.offset = MTDPART_OFS_APPEND,
.size = SZ_2M,
},
[7] = {
.name = "spare",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct flash_platform_data mityomapl138_spi_flash_data = {
.name = "m25p80",
.parts = spi_flash_partitions,
.nr_parts = ARRAY_SIZE(spi_flash_partitions),
.type = "m24p64",
};
static struct davinci_spi_config spi_eprom_config = {
.io_type = SPI_IO_TYPE_DMA,
.c2tdelay = 8,
.t2cdelay = 8,
};
static struct spi_board_info mityomapl138_spi_flash_info[] = {
{
.modalias = "m25p80",
.platform_data = &mityomapl138_spi_flash_data,
.controller_data = &spi_eprom_config,
.mode = SPI_MODE_0,
.max_speed_hz = 30000000,
.bus_num = 1,
.chip_select = 0,
},
};
/*
* MityDSP-L138 includes a 256 MByte large-page NAND flash
* (128K blocks).
@ -377,16 +527,17 @@ static void __init mityomapl138_init(void)
mityomapl138_setup_nand();
ret = da8xx_register_spi(1, mityomapl138_spi_flash_info,
ARRAY_SIZE(mityomapl138_spi_flash_info));
if (ret)
pr_warning("spi 1 registration failed: %d\n", ret);
mityomapl138_config_emac();
ret = da8xx_register_rtc();
if (ret)
pr_warning("rtc setup failed: %d\n", ret);
ret = da850_register_cpufreq("pll0_sysclk3");
if (ret)
pr_warning("cpufreq registration failed: %d\n", ret);
ret = da8xx_register_cpuidle();
if (ret)
pr_warning("cpuidle registration failed: %d\n", ret);

284
arch/arm/mach-davinci/board-omapl138-hawk.c
View File

@ -19,6 +19,279 @@
#include <mach/cp_intc.h>
#include <mach/da8xx.h>
#include <mach/mux.h>
#define HAWKBOARD_PHY_ID "0:07"
#define DA850_HAWK_MMCSD_CD_PIN GPIO_TO_PIN(3, 12)
#define DA850_HAWK_MMCSD_WP_PIN GPIO_TO_PIN(3, 13)
#define DA850_USB1_VBUS_PIN GPIO_TO_PIN(2, 4)
#define DA850_USB1_OC_PIN GPIO_TO_PIN(6, 13)
static short omapl138_hawk_mii_pins[] __initdata = {
DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
DA850_MDIO_D,
-1
};
static __init void omapl138_hawk_config_emac(void)
{
void __iomem *cfgchip3 = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
int ret;
u32 val;
struct davinci_soc_info *soc_info = &davinci_soc_info;
val = __raw_readl(cfgchip3);
val &= ~BIT(8);
ret = davinci_cfg_reg_list(omapl138_hawk_mii_pins);
if (ret) {
pr_warning("%s: cpgmac/mii mux setup failed: %d\n",
__func__, ret);
return;
}
/* configure the CFGCHIP3 register for MII */
__raw_writel(val, cfgchip3);
pr_info("EMAC: MII PHY configured\n");
soc_info->emac_pdata->phy_id = HAWKBOARD_PHY_ID;
ret = da8xx_register_emac();
if (ret)
pr_warning("%s: emac registration failed: %d\n",
__func__, ret);
}
/*
* The following EDMA channels/slots are not being used by drivers (for
* example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM/Hawkboard,
* hence they are being reserved for codecs on the DSP side.
*/
static const s16 da850_dma0_rsv_chans[][2] = {
/* (offset, number) */
{ 8, 6},
{24, 4},
{30, 2},
{-1, -1}
};
static const s16 da850_dma0_rsv_slots[][2] = {
/* (offset, number) */
{ 8, 6},
{24, 4},
{30, 50},
{-1, -1}
};
static const s16 da850_dma1_rsv_chans[][2] = {
/* (offset, number) */
{ 0, 28},
{30, 2},
{-1, -1}
};
static const s16 da850_dma1_rsv_slots[][2] = {
/* (offset, number) */
{ 0, 28},
{30, 90},
{-1, -1}
};
static struct edma_rsv_info da850_edma_cc0_rsv = {
.rsv_chans = da850_dma0_rsv_chans,
.rsv_slots = da850_dma0_rsv_slots,
};
static struct edma_rsv_info da850_edma_cc1_rsv = {
.rsv_chans = da850_dma1_rsv_chans,
.rsv_slots = da850_dma1_rsv_slots,
};
static struct edma_rsv_info *da850_edma_rsv[2] = {
&da850_edma_cc0_rsv,
&da850_edma_cc1_rsv,
};
static const short hawk_mmcsd0_pins[] = {
DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
DA850_GPIO3_12, DA850_GPIO3_13,
-1
};
static int da850_hawk_mmc_get_ro(int index)
{
return gpio_get_value(DA850_HAWK_MMCSD_WP_PIN);
}
static int da850_hawk_mmc_get_cd(int index)
{
return !gpio_get_value(DA850_HAWK_MMCSD_CD_PIN);
}
static struct davinci_mmc_config da850_mmc_config = {
.get_ro = da850_hawk_mmc_get_ro,
.get_cd = da850_hawk_mmc_get_cd,
.wires = 4,
.max_freq = 50000000,
.caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
.version = MMC_CTLR_VERSION_2,
};
static __init void omapl138_hawk_mmc_init(void)
{
int ret;
ret = davinci_cfg_reg_list(hawk_mmcsd0_pins);
if (ret) {
pr_warning("%s: MMC/SD0 mux setup failed: %d\n",
__func__, ret);
return;
}
ret = gpio_request_one(DA850_HAWK_MMCSD_CD_PIN,
GPIOF_DIR_IN, "MMC CD");
if (ret < 0) {
pr_warning("%s: can not open GPIO %d\n",
__func__, DA850_HAWK_MMCSD_CD_PIN);
return;
}
ret = gpio_request_one(DA850_HAWK_MMCSD_WP_PIN,
GPIOF_DIR_IN, "MMC WP");
if (ret < 0) {
pr_warning("%s: can not open GPIO %d\n",
__func__, DA850_HAWK_MMCSD_WP_PIN);
goto mmc_setup_wp_fail;
}
ret = da8xx_register_mmcsd0(&da850_mmc_config);
if (ret) {
pr_warning("%s: MMC/SD0 registration failed: %d\n",
__func__, ret);
goto mmc_setup_mmcsd_fail;
}
return;
mmc_setup_mmcsd_fail:
gpio_free(DA850_HAWK_MMCSD_WP_PIN);
mmc_setup_wp_fail:
gpio_free(DA850_HAWK_MMCSD_CD_PIN);
}
static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id);
static da8xx_ocic_handler_t hawk_usb_ocic_handler;
static const short da850_hawk_usb11_pins[] = {
DA850_GPIO2_4, DA850_GPIO6_13,
-1
};
static int hawk_usb_set_power(unsigned port, int on)
{
gpio_set_value(DA850_USB1_VBUS_PIN, on);
return 0;
}
static int hawk_usb_get_power(unsigned port)
{
return gpio_get_value(DA850_USB1_VBUS_PIN);
}
static int hawk_usb_get_oci(unsigned port)
{
return !gpio_get_value(DA850_USB1_OC_PIN);
}
static int hawk_usb_ocic_notify(da8xx_ocic_handler_t handler)
{
int irq = gpio_to_irq(DA850_USB1_OC_PIN);
int error = 0;
if (handler != NULL) {
hawk_usb_ocic_handler = handler;
error = request_irq(irq, omapl138_hawk_usb_ocic_irq,
IRQF_DISABLED | IRQF_TRIGGER_RISING |
IRQF_TRIGGER_FALLING,
"OHCI over-current indicator", NULL);
if (error)
pr_err("%s: could not request IRQ to watch "
"over-current indicator changes\n", __func__);
} else {
free_irq(irq, NULL);
}
return error;
}
static struct da8xx_ohci_root_hub omapl138_hawk_usb11_pdata = {
.set_power = hawk_usb_set_power,
.get_power = hawk_usb_get_power,
.get_oci = hawk_usb_get_oci,
.ocic_notify = hawk_usb_ocic_notify,
/* TPS2087 switch @ 5V */
.potpgt = (3 + 1) / 2, /* 3 ms max */
};
static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id)
{
hawk_usb_ocic_handler(&omapl138_hawk_usb11_pdata, 1);
return IRQ_HANDLED;
}
static __init void omapl138_hawk_usb_init(void)
{
int ret;
u32 cfgchip2;
ret = davinci_cfg_reg_list(da850_hawk_usb11_pins);
if (ret) {
pr_warning("%s: USB 1.1 PinMux setup failed: %d\n",
__func__, ret);
return;
}
/* Setup the Ref. clock frequency for the HAWK at 24 MHz. */
cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
cfgchip2 &= ~CFGCHIP2_REFFREQ;
cfgchip2 |= CFGCHIP2_REFFREQ_24MHZ;
__raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
ret = gpio_request_one(DA850_USB1_VBUS_PIN,
GPIOF_DIR_OUT, "USB1 VBUS");
if (ret < 0) {
pr_err("%s: failed to request GPIO for USB 1.1 port "
"power control: %d\n", __func__, ret);
return;
}
ret = gpio_request_one(DA850_USB1_OC_PIN,
GPIOF_DIR_IN, "USB1 OC");
if (ret < 0) {
pr_err("%s: failed to request GPIO for USB 1.1 port "
"over-current indicator: %d\n", __func__, ret);
goto usb11_setup_oc_fail;
}
ret = da8xx_register_usb11(&omapl138_hawk_usb11_pdata);
if (ret) {
pr_warning("%s: USB 1.1 registration failed: %d\n",
__func__, ret);
goto usb11_setup_fail;
}
return;
usb11_setup_fail:
gpio_free(DA850_USB1_OC_PIN);
usb11_setup_oc_fail:
gpio_free(DA850_USB1_VBUS_PIN);
}
static struct davinci_uart_config omapl138_hawk_uart_config __initdata = {
.enabled_uarts = 0x7,
@ -30,6 +303,17 @@ static __init void omapl138_hawk_init(void)
davinci_serial_init(&omapl138_hawk_uart_config);
omapl138_hawk_config_emac();
ret = da850_register_edma(da850_edma_rsv);
if (ret)
pr_warning("%s: EDMA registration failed: %d\n",
__func__, ret);
omapl138_hawk_mmc_init();
omapl138_hawk_usb_init();
ret = da8xx_register_watchdog();
if (ret)
pr_warning("omapl138_hawk_init: "

6
arch/arm/mach-davinci/da830.c
View File

@ -148,7 +148,7 @@ static struct clk scr2_ss_clk = {
static struct clk dmax_clk = {
.name = "dmax",
.parent = &pll0_sysclk2,
.lpsc = DA8XX_LPSC0_DMAX,
.lpsc = DA8XX_LPSC0_PRUSS,
.flags = ALWAYS_ENABLED,
};
@ -397,8 +397,8 @@ static struct clk_lookup da830_clks[] = {
CLK(NULL, "uart0", &uart0_clk),
CLK(NULL, "uart1", &uart1_clk),
CLK(NULL, "uart2", &uart2_clk),
CLK("dm_spi.0", NULL, &spi0_clk),
CLK("dm_spi.1", NULL, &spi1_clk),
CLK("spi_davinci.0", NULL, &spi0_clk),
CLK("spi_davinci.1", NULL, &spi1_clk),
CLK(NULL, "ecap0", &ecap0_clk),
CLK(NULL, "ecap1", &ecap1_clk),
CLK(NULL, "ecap2", &ecap2_clk),

99
arch/arm/mach-davinci/da850.c
View File

@ -345,6 +345,34 @@ static struct clk aemif_clk = {
.flags = ALWAYS_ENABLED,
};
static struct clk usb11_clk = {
.name = "usb11",
.parent = &pll0_sysclk4,
.lpsc = DA8XX_LPSC1_USB11,
.gpsc = 1,
};
static struct clk usb20_clk = {
.name = "usb20",
.parent = &pll0_sysclk2,
.lpsc = DA8XX_LPSC1_USB20,
.gpsc = 1,
};
static struct clk spi0_clk = {
.name = "spi0",
.parent = &pll0_sysclk2,
.lpsc = DA8XX_LPSC0_SPI0,
};
static struct clk spi1_clk = {
.name = "spi1",
.parent = &pll0_sysclk2,
.lpsc = DA8XX_LPSC1_SPI1,
.gpsc = 1,
.flags = DA850_CLK_ASYNC3,
};
static struct clk_lookup da850_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll0", &pll0_clk),
@ -387,6 +415,10 @@ static struct clk_lookup da850_clks[] = {
CLK("davinci_mmc.0", NULL, &mmcsd0_clk),
CLK("davinci_mmc.1", NULL, &mmcsd1_clk),
CLK(NULL, "aemif", &aemif_clk),
CLK(NULL, "usb11", &usb11_clk),
CLK(NULL, "usb20", &usb20_clk),
CLK("spi_davinci.0", NULL, &spi0_clk),
CLK("spi_davinci.1", NULL, &spi1_clk),
CLK(NULL, NULL, NULL),
};
@ -543,30 +575,19 @@ static const struct mux_config da850_pins[] = {
MUX_CFG(DA850, EMA_WAIT_1, 6, 24, 15, 1, false)
MUX_CFG(DA850, NEMA_CS_2, 7, 0, 15, 1, false)
/* GPIO function */
MUX_CFG(DA850, GPIO2_4, 6, 12, 15, 8, false)
MUX_CFG(DA850, GPIO2_6, 6, 4, 15, 8, false)
MUX_CFG(DA850, GPIO2_8, 5, 28, 15, 8, false)
MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
MUX_CFG(DA850, GPIO3_12, 7, 12, 15, 8, false)
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_13, 13, 8, 15, 8, false)
MUX_CFG(DA850, RTC_ALARM, 0, 28, 15, 2, false)
#endif
};
const short da850_uart0_pins[] __initdata = {
DA850_NUART0_CTS, DA850_NUART0_RTS, DA850_UART0_RXD, DA850_UART0_TXD,
-1
};
const short da850_uart1_pins[] __initdata = {
DA850_UART1_RXD, DA850_UART1_TXD,
-1
};
const short da850_uart2_pins[] __initdata = {
DA850_UART2_RXD, DA850_UART2_TXD,
-1
};
const short da850_i2c0_pins[] __initdata = {
DA850_I2C0_SDA, DA850_I2C0_SCL,
-1
@ -577,24 +598,6 @@ const short da850_i2c1_pins[] __initdata = {
-1
};
const short da850_cpgmac_pins[] __initdata = {
DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
DA850_MDIO_D, DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1, DA850_RMII_RXER,
DA850_RMII_MHZ_50_CLK,
-1
};
const short da850_mcasp_pins[] __initdata = {
DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
DA850_AHCLKR, DA850_ACLKR, DA850_AFSR, DA850_AMUTE,
DA850_AXR_11, DA850_AXR_12,
-1
};
const short da850_lcdcntl_pins[] __initdata = {
DA850_LCD_D_0, DA850_LCD_D_1, DA850_LCD_D_2, DA850_LCD_D_3,
DA850_LCD_D_4, DA850_LCD_D_5, DA850_LCD_D_6, DA850_LCD_D_7,
@ -604,29 +607,6 @@ const short da850_lcdcntl_pins[] __initdata = {
-1
};
const short da850_mmcsd0_pins[] __initdata = {
DA850_MMCSD0_DAT_0, DA850_MMCSD0_DAT_1, DA850_MMCSD0_DAT_2,
DA850_MMCSD0_DAT_3, DA850_MMCSD0_CLK, DA850_MMCSD0_CMD,
DA850_GPIO4_0, DA850_GPIO4_1,
-1
};
const short da850_emif25_pins[] __initdata = {
DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
DA850_NEMA_CS_3, DA850_NEMA_CS_4, DA850_NEMA_WE, DA850_NEMA_OE,
DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
DA850_EMA_D_8, DA850_EMA_D_9, DA850_EMA_D_10, DA850_EMA_D_11,
DA850_EMA_D_12, DA850_EMA_D_13, DA850_EMA_D_14, DA850_EMA_D_15,
DA850_EMA_A_0, DA850_EMA_A_1, DA850_EMA_A_2, DA850_EMA_A_3,
DA850_EMA_A_4, DA850_EMA_A_5, DA850_EMA_A_6, DA850_EMA_A_7,
DA850_EMA_A_8, DA850_EMA_A_9, DA850_EMA_A_10, DA850_EMA_A_11,
DA850_EMA_A_12, DA850_EMA_A_13, DA850_EMA_A_14, DA850_EMA_A_15,
DA850_EMA_A_16, DA850_EMA_A_17, DA850_EMA_A_18, DA850_EMA_A_19,
DA850_EMA_A_20, DA850_EMA_A_21, DA850_EMA_A_22, DA850_EMA_A_23,
-1
};
/* FIQ are pri 0-1; otherwise 2-7, with 7 lowest priority */
static u8 da850_default_priorities[DA850_N_CP_INTC_IRQ] = {
[IRQ_DA8XX_COMMTX] = 7,
@ -764,6 +744,13 @@ static struct davinci_id da850_ids[] = {
.cpu_id = DAVINCI_CPU_ID_DA850,
.name = "da850/omap-l138",
},
{
.variant = 0x1,
.part_no = 0xb7d1,
.manufacturer = 0x017, /* 0x02f >> 1 */
.cpu_id = DAVINCI_CPU_ID_DA850,
.name = "da850/omap-l138/am18x",
},
};
static struct davinci_timer_instance da850_timer_instance[4] = {

125
arch/arm/mach-davinci/devices-da8xx.c
View File

@ -38,12 +38,23 @@
#define DA8XX_EMAC_MDIO_BASE 0x01e24000
#define DA8XX_GPIO_BASE 0x01e26000
#define DA8XX_I2C1_BASE 0x01e28000
#define DA8XX_SPI0_BASE 0x01c41000
#define DA8XX_SPI1_BASE 0x01f0e000
#define DA8XX_EMAC_CTRL_REG_OFFSET 0x3000
#define DA8XX_EMAC_MOD_REG_OFFSET 0x2000
#define DA8XX_EMAC_RAM_OFFSET 0x0000
#define DA8XX_EMAC_CTRL_RAM_SIZE SZ_8K
#define DA8XX_DMA_SPI0_RX EDMA_CTLR_CHAN(0, 14)
#define DA8XX_DMA_SPI0_TX EDMA_CTLR_CHAN(0, 15)
#define DA8XX_DMA_MMCSD0_RX EDMA_CTLR_CHAN(0, 16)
#define DA8XX_DMA_MMCSD0_TX EDMA_CTLR_CHAN(0, 17)
#define DA8XX_DMA_SPI1_RX EDMA_CTLR_CHAN(0, 18)
#define DA8XX_DMA_SPI1_TX EDMA_CTLR_CHAN(0, 19)
#define DA850_DMA_MMCSD1_RX EDMA_CTLR_CHAN(1, 28)
#define DA850_DMA_MMCSD1_TX EDMA_CTLR_CHAN(1, 29)
void __iomem *da8xx_syscfg0_base;
void __iomem *da8xx_syscfg1_base;
@ -573,13 +584,13 @@ static struct resource da8xx_mmcsd0_resources[] = {
.flags = IORESOURCE_IRQ,
},
{ /* DMA RX */
.start = EDMA_CTLR_CHAN(0, 16),
.end = EDMA_CTLR_CHAN(0, 16),
.start = DA8XX_DMA_MMCSD0_RX,
.end = DA8XX_DMA_MMCSD0_RX,
.flags = IORESOURCE_DMA,
},
{ /* DMA TX */
.start = EDMA_CTLR_CHAN(0, 17),
.end = EDMA_CTLR_CHAN(0, 17),
.start = DA8XX_DMA_MMCSD0_TX,
.end = DA8XX_DMA_MMCSD0_TX,
.flags = IORESOURCE_DMA,
},
};
@ -610,13 +621,13 @@ static struct resource da850_mmcsd1_resources[] = {
.flags = IORESOURCE_IRQ,
},
{ /* DMA RX */
.start = EDMA_CTLR_CHAN(1, 28),
.end = EDMA_CTLR_CHAN(1, 28),
.start = DA850_DMA_MMCSD1_RX,
.end = DA850_DMA_MMCSD1_RX,
.flags = IORESOURCE_DMA,
},
{ /* DMA TX */
.start = EDMA_CTLR_CHAN(1, 29),
.end = EDMA_CTLR_CHAN(1, 29),
.start = DA850_DMA_MMCSD1_TX,
.end = DA850_DMA_MMCSD1_TX,
.flags = IORESOURCE_DMA,
},
};
@ -725,3 +736,101 @@ int __init da8xx_register_cpuidle(void)
return platform_device_register(&da8xx_cpuidle_device);
}
static struct resource da8xx_spi0_resources[] = {
[0] = {
.start = DA8XX_SPI0_BASE,
.end = DA8XX_SPI0_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DA8XX_SPINT0,
.end = IRQ_DA8XX_SPINT0,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = DA8XX_DMA_SPI0_RX,
.end = DA8XX_DMA_SPI0_RX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = DA8XX_DMA_SPI0_TX,
.end = DA8XX_DMA_SPI0_TX,
.flags = IORESOURCE_DMA,
},
};
static struct resource da8xx_spi1_resources[] = {
[0] = {
.start = DA8XX_SPI1_BASE,
.end = DA8XX_SPI1_BASE + SZ_4K - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_DA8XX_SPINT1,
.end = IRQ_DA8XX_SPINT1,
.flags = IORESOURCE_IRQ,
},
[2] = {
.start = DA8XX_DMA_SPI1_RX,
.end = DA8XX_DMA_SPI1_RX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = DA8XX_DMA_SPI1_TX,
.end = DA8XX_DMA_SPI1_TX,
.flags = IORESOURCE_DMA,
},
};
struct davinci_spi_platform_data da8xx_spi_pdata[] = {
[0] = {
.version = SPI_VERSION_2,
.intr_line = 1,
.dma_event_q = EVENTQ_0,
},
[1] = {
.version = SPI_VERSION_2,
.intr_line = 1,
.dma_event_q = EVENTQ_0,
},
};
static struct platform_device da8xx_spi_device[] = {
[0] = {
.name = "spi_davinci",
.id = 0,
.num_resources = ARRAY_SIZE(da8xx_spi0_resources),
.resource = da8xx_spi0_resources,
.dev = {
.platform_data = &da8xx_spi_pdata[0],
},
},
[1] = {
.name = "spi_davinci",
.id = 1,
.num_resources = ARRAY_SIZE(da8xx_spi1_resources),
.resource = da8xx_spi1_resources,
.dev = {
.platform_data = &da8xx_spi_pdata[1],
},
},
};
int __init da8xx_register_spi(int instance, struct spi_board_info *info,
unsigned len)
{
int ret;
if (instance < 0 || instance > 1)
return -EINVAL;
ret = spi_register_board_info(info, len);
if (ret)
pr_warning("%s: failed to register board info for spi %d :"
" %d\n", __func__, instance, ret);
da8xx_spi_pdata[instance].num_chipselect = len;
return platform_device_register(&da8xx_spi_device[instance]);
}

5
arch/arm/mach-davinci/dm355.c
View File

@ -403,16 +403,13 @@ static struct resource dm355_spi0_resources[] = {
.start = 16,
.flags = IORESOURCE_DMA,
},
{
.start = EVENTQ_1,
.flags = IORESOURCE_DMA,
},
};
static struct davinci_spi_platform_data dm355_spi0_pdata = {
.version = SPI_VERSION_1,
.num_chipselect = 2,
.cshold_bug = true,
.dma_event_q = EVENTQ_1,
};
static struct platform_device dm355_spi0_device = {
.name = "spi_davinci",

5
arch/arm/mach-davinci/dm365.c
View File

@ -625,6 +625,7 @@ static u64 dm365_spi0_dma_mask = DMA_BIT_MASK(32);
static struct davinci_spi_platform_data dm365_spi0_pdata = {
.version = SPI_VERSION_1,
.num_chipselect = 2,
.dma_event_q = EVENTQ_3,
};
static struct resource dm365_spi0_resources[] = {
@ -645,10 +646,6 @@ static struct resource dm365_spi0_resources[] = {
.start = 16,
.flags = IORESOURCE_DMA,
},
{
.start = EVENTQ_3,
.flags = IORESOURCE_DMA,
},
};
static struct platform_device dm365_spi0_device = {

11
arch/arm/mach-davinci/include/mach/da8xx.h
View File

@ -15,6 +15,7 @@
#include <linux/platform_device.h>
#include <linux/davinci_emac.h>
#include <linux/spi/spi.h>
#include <mach/serial.h>
#include <mach/edma.h>
@ -23,6 +24,7 @@
#include <mach/mmc.h>
#include <mach/usb.h>
#include <mach/pm.h>
#include <mach/spi.h>
extern void __iomem *da8xx_syscfg0_base;
extern void __iomem *da8xx_syscfg1_base;
@ -77,6 +79,7 @@ void __init da850_init(void);
int da830_register_edma(struct edma_rsv_info *rsv);
int da850_register_edma(struct edma_rsv_info *rsv[2]);
int da8xx_register_i2c(int instance, struct davinci_i2c_platform_data *pdata);
int da8xx_register_spi(int instance, struct spi_board_info *info, unsigned len);
int da8xx_register_watchdog(void);
int da8xx_register_usb20(unsigned mA, unsigned potpgt);
int da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata);
@ -95,6 +98,7 @@ extern struct platform_device da8xx_serial_device;
extern struct emac_platform_data da8xx_emac_pdata;
extern struct da8xx_lcdc_platform_data sharp_lcd035q3dg01_pdata;
extern struct da8xx_lcdc_platform_data sharp_lk043t1dg01_pdata;
extern struct davinci_spi_platform_data da8xx_spi_pdata[];
extern struct platform_device da8xx_wdt_device;
@ -123,15 +127,8 @@ extern const short da830_ecap2_pins[];
extern const short da830_eqep0_pins[];
extern const short da830_eqep1_pins[];
extern const short da850_uart0_pins[];
extern const short da850_uart1_pins[];
extern const short da850_uart2_pins[];
extern const short da850_i2c0_pins[];
extern const short da850_i2c1_pins[];
extern const short da850_cpgmac_pins[];
extern const short da850_mcasp_pins[];
extern const short da850_lcdcntl_pins[];
extern const short da850_mmcsd0_pins[];
extern const short da850_emif25_pins[];
#endif /* __ASM_ARCH_DAVINCI_DA8XX_H */

36
arch/arm/mach-davinci/include/mach/edma.h
View File

@ -151,42 +151,6 @@ struct edmacc_param {
#define DA830_DMACH2EVENT_MAP1 0x00000000u
#define DA830_EDMA_ARM_OWN 0x30FFCCFFu
/* DA830 specific EDMA3 Events Information */
enum DA830_edma_ch {
DA830_DMACH_MCASP0_RX,
DA830_DMACH_MCASP0_TX,
DA830_DMACH_MCASP1_RX,
DA830_DMACH_MCASP1_TX,
DA830_DMACH_MCASP2_RX,
DA830_DMACH_MCASP2_TX,
DA830_DMACH_GPIO_BNK0INT,
DA830_DMACH_GPIO_BNK1INT,
DA830_DMACH_UART0_RX,
DA830_DMACH_UART0_TX,
DA830_DMACH_TMR64P0_EVTOUT12,
DA830_DMACH_TMR64P0_EVTOUT34,
DA830_DMACH_UART1_RX,
DA830_DMACH_UART1_TX,
DA830_DMACH_SPI0_RX,
DA830_DMACH_SPI0_TX,
DA830_DMACH_MMCSD_RX,
DA830_DMACH_MMCSD_TX,
DA830_DMACH_SPI1_RX,
DA830_DMACH_SPI1_TX,
DA830_DMACH_DMAX_EVTOUT6,
DA830_DMACH_DMAX_EVTOUT7,
DA830_DMACH_GPIO_BNK2INT,
DA830_DMACH_GPIO_BNK3INT,
DA830_DMACH_I2C0_RX,
DA830_DMACH_I2C0_TX,
DA830_DMACH_I2C1_RX,
DA830_DMACH_I2C1_TX,
DA830_DMACH_GPIO_BNK4INT,
DA830_DMACH_GPIO_BNK5INT,
DA830_DMACH_UART2_RX,
DA830_DMACH_UART2_TX
};
/*ch_status paramater of callback function possible values*/
#define DMA_COMPLETE 1
#define DMA_CC_ERROR 2

4
arch/arm/mach-davinci/include/mach/mux.h
View File

@ -908,11 +908,15 @@ enum davinci_da850_index {
DA850_NEMA_CS_2,
/* GPIO function */
DA850_GPIO2_4,
DA850_GPIO2_6,
DA850_GPIO2_8,
DA850_GPIO2_15,
DA850_GPIO3_12,
DA850_GPIO3_13,
DA850_GPIO4_0,
DA850_GPIO4_1,
DA850_GPIO6_13,
DA850_RTC_ALARM,
};

2
arch/arm/mach-davinci/include/mach/psc.h
View File

@ -150,7 +150,7 @@
#define DA8XX_LPSC0_SCR0_SS 10
#define DA8XX_LPSC0_SCR1_SS 11
#define DA8XX_LPSC0_SCR2_SS 12
#define DA8XX_LPSC0_DMAX 13
#define DA8XX_LPSC0_PRUSS 13
#define DA8XX_LPSC0_ARM 14
#define DA8XX_LPSC0_GEM 15

15
arch/arm/mach-davinci/include/mach/spi.h
View File

@ -19,6 +19,8 @@
#ifndef __ARCH_ARM_DAVINCI_SPI_H
#define __ARCH_ARM_DAVINCI_SPI_H
#include <mach/edma.h>
#define SPI_INTERN_CS 0xFF
enum {
@ -39,13 +41,16 @@ enum {
* to populate if all chip-selects are internal.
* @cshold_bug: set this to true if the SPI controller on your chip requires
* a write to CSHOLD bit in between transfers (like in DM355).
* @dma_event_q: DMA event queue to use if SPI_IO_TYPE_DMA is used for any
* device on the bus.
*/
struct davinci_spi_platform_data {
u8 version;
u8 num_chipselect;
u8 intr_line;
u8 *chip_sel;
bool cshold_bug;
u8 version;
u8 num_chipselect;
u8 intr_line;
u8 *chip_sel;
bool cshold_bug;
enum dma_event_q dma_event_q;
};
/**

11
drivers/spi/davinci_spi.c
View File

@ -790,7 +790,6 @@ static int davinci_spi_probe(struct platform_device *pdev)
struct resource *r, *mem;
resource_size_t dma_rx_chan = SPI_NO_RESOURCE;
resource_size_t dma_tx_chan = SPI_NO_RESOURCE;
resource_size_t dma_eventq = SPI_NO_RESOURCE;
int i = 0, ret = 0;
u32 spipc0;
@ -878,17 +877,13 @@ static int davinci_spi_probe(struct platform_device *pdev)
r = platform_get_resource(pdev, IORESOURCE_DMA, 1);
if (r)
dma_tx_chan = r->start;
r = platform_get_resource(pdev, IORESOURCE_DMA, 2);
if (r)
dma_eventq = r->start;
dspi->bitbang.txrx_bufs = davinci_spi_bufs;
if (dma_rx_chan != SPI_NO_RESOURCE &&
dma_tx_chan != SPI_NO_RESOURCE &&
dma_eventq != SPI_NO_RESOURCE) {
dma_tx_chan != SPI_NO_RESOURCE) {
dspi->dma.rx_channel = dma_rx_chan;
dspi->dma.tx_channel = dma_tx_chan;
dspi->dma.eventq = dma_eventq;
dspi->dma.eventq = pdata->dma_event_q;
ret = davinci_spi_request_dma(dspi);
if (ret)
@ -897,7 +892,7 @@ static int davinci_spi_probe(struct platform_device *pdev)
dev_info(&pdev->dev, "DMA: supported\n");
dev_info(&pdev->dev, "DMA: RX channel: %d, TX channel: %d, "
"event queue: %d\n", dma_rx_chan, dma_tx_chan,
dma_eventq);
pdata->dma_event_q);
}
dspi->get_rx = davinci_spi_rx_buf_u8;