*/
#include <linux/kernel.h>
+#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/i2c.h>
#include <linux/mtd/partitions.h>
#include <linux/input.h>
#include <linux/i2c/tps65010.h>
+#include <linux/workqueue.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/tsc2101.h>
+#include <linux/clk.h>
#include <asm/hardware.h>
#include <asm/gpio.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>
+#include <asm/arch/gpio.h>
#include <asm/arch/gpio-switch.h>
#include <asm/arch/mux.h>
#include <asm/arch/tc.h>
.id = -1,
};
+struct {
+ struct clk *mclk;
+ int initialized;
+} h2_tsc2101;
+
+#define TSC2101_MUX_MCLK_ON R10_1610_MCLK_ON
+#define TSC2101_MUX_MCLK_OFF R10_1610_MCLK_OFF
+
+static void h2_lcd_dev_init(struct spi_device *tsc2101)
+{
+ /* The LCD is connected to the GPIO pins of the TSC2101, so
+ * we have to tie them here. We can also register the LCD driver
+ * first only here, where we know that the TSC driver is ready.
+ */
+
+ h2_lcd_device.dev.platform_data = tsc2101;
+ platform_device_register(&h2_lcd_device);
+}
+
static struct omap_mcbsp_reg_cfg mcbsp_regs = {
.spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
.spcr1 = RINTM(3) | RRST,
.rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
- RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
+ RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
.xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
- XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
+ XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
.srgr1 = FWID(15),
.srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
-
.pcr0 = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
/*.pcr0 = CLKXP | CLKRP,*/ /* mcbsp: slave */
};
static struct omap_alsa_codec_config alsa_config = {
.name = "H2 TSC2101",
.mcbsp_regs_alsa = &mcbsp_regs,
- .codec_configure_dev = NULL, /* tsc2101_configure, */
- .codec_set_samplerate = NULL, /* tsc2101_set_samplerate, */
- .codec_clock_setup = NULL, /* tsc2101_clock_setup, */
- .codec_clock_on = NULL, /* tsc2101_clock_on, */
- .codec_clock_off = NULL, /* tsc2101_clock_off, */
- .get_default_samplerate = NULL, /* tsc2101_get_default_samplerate, */
};
static struct platform_device h2_mcbsp1_device = {
},
};
+static void h2_audio_dev_init(struct spi_device *tsc2101)
+{
+ h2_mcbsp1_device.dev.platform_data = tsc2101;
+ platform_device_register(&h2_mcbsp1_device);
+}
+
+static int h2_tsc2101_init(struct spi_device *spi)
+{
+ int r;
+
+ if (h2_tsc2101.initialized) {
+ printk(KERN_ERR "tsc2101: already initialized\n");
+ return -ENODEV;
+ }
+
+ /* Get the MCLK */
+ h2_tsc2101.mclk = clk_get(&spi->dev, "mclk");
+ if (IS_ERR(h2_tsc2101.mclk)) {
+ dev_err(&spi->dev, "unable to get the clock MCLK\n");
+ return PTR_ERR(h2_tsc2101.mclk);
+ }
+ if ((r = clk_set_rate(h2_tsc2101.mclk, 12000000)) < 0) {
+ dev_err(&spi->dev, "unable to set rate to the MCLK\n");
+ goto err;
+ }
+
+ omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
+ omap_cfg_reg(N15_1610_UWIRE_CS1);
+
+ h2_lcd_dev_init(spi);
+ h2_audio_dev_init(spi);
+
+ return 0;
+err:
+ clk_put(h2_tsc2101.mclk);
+ return r;
+}
+
+static void h2_tsc2101_cleanup(struct spi_device *spi)
+{
+ clk_put(h2_tsc2101.mclk);
+ omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
+}
+
+static void h2_tsc2101_enable_mclk(struct spi_device *spi)
+{
+ omap_cfg_reg(TSC2101_MUX_MCLK_ON);
+ clk_enable(h2_tsc2101.mclk);
+}
+
+static void h2_tsc2101_disable_mclk(struct spi_device *spi)
+{
+ clk_disable(h2_tsc2101.mclk);
+ omap_cfg_reg(R10_1610_MCLK_OFF);
+}
+
+static struct tsc2101_platform_data h2_tsc2101_platform_data = {
+ .init = h2_tsc2101_init,
+ .cleanup = h2_tsc2101_cleanup,
+ .enable_mclk = h2_tsc2101_enable_mclk,
+ .disable_mclk = h2_tsc2101_disable_mclk,
+};
+
+static struct spi_board_info h2_spi_board_info[] __initdata = {
+ [0] = {
+ .modalias = "tsc2101",
+ .bus_num = 2,
+ .chip_select = 1,
+ .max_speed_hz = 16000000,
+ .platform_data = &h2_tsc2101_platform_data,
+ },
+};
+
static struct platform_device *h2_devices[] __initdata = {
&h2_nor_device,
&h2_nand_device,
&h2_smc91x_device,
&h2_irda_device,
&h2_kp_device,
- &h2_lcd_device,
- &h2_mcbsp1_device,
};
static void __init h2_init_smc91x(void)
{ OMAP_TAG_LCD, &h2_lcd_config },
};
+static struct omap_gpio_switch h2_gpio_switches[] __initdata = {
+ {
+ .name = "mmc_slot",
+ .gpio = OMAP_MPUIO(1),
+ .type = OMAP_GPIO_SWITCH_TYPE_COVER,
+ .debounce_rising = 100,
+ .debounce_falling = 0,
+ .notify = h2_mmc_slot_cover_handler,
+ .notify_data = NULL,
+ },
+};
+
#define H2_NAND_RB_GPIO_PIN 62
static int h2_nand_dev_ready(struct omap_nand_platform_data *data)
#endif
platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
+ spi_register_board_info(h2_spi_board_info,
+ ARRAY_SIZE(h2_spi_board_info));
omap_board_config = h2_config;
omap_board_config_size = ARRAY_SIZE(h2_config);
omap_serial_init();
omap_register_i2c_bus(1, 100, h2_i2c_board_info,
ARRAY_SIZE(h2_i2c_board_info));
h2_mmc_init();
+ omap_register_gpio_switches(h2_gpio_switches,
+ ARRAY_SIZE(h2_gpio_switches));
}
static void __init h2_map_io(void)
projects / linux-2.6-omap-h63xx.git / blobdiff