#include <linux/console.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
+#include <linux/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#define DA850_EVM_PHY_MASK 0x1
#define DA850_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
+#define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15)
+#define DA850_LCD_PWR_PIN GPIO_TO_PIN(8, 10)
+
static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
.bus_freq = 100, /* kHz */
.bus_delay = 0, /* usec */
.rxnumevt = 1,
};
+static int da850_lcd_hw_init(void)
+{
+ int status;
+
+ status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
+ if (status < 0)
+ return status;
+
+ status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
+ if (status < 0) {
+ gpio_free(DA850_LCD_BL_PIN);
+ return status;
+ }
+
+ gpio_direction_output(DA850_LCD_BL_PIN, 0);
+ gpio_direction_output(DA850_LCD_PWR_PIN, 0);
+
+ /* disable lcd backlight */
+ gpio_set_value(DA850_LCD_BL_PIN, 0);
+
+ /* disable lcd power */
+ gpio_set_value(DA850_LCD_PWR_PIN, 0);
+
+ /* enable lcd power */
+ gpio_set_value(DA850_LCD_PWR_PIN, 1);
+
+ /* enable lcd backlight */
+ gpio_set_value(DA850_LCD_BL_PIN, 1);
+
+ return 0;
+}
static __init void da850_evm_init(void)
{
ret);
da8xx_init_mcasp(0, &da850_evm_snd_data);
+
+ ret = da8xx_pinmux_setup(da850_lcdcntl_pins);
+ if (ret)
+ pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
+ ret);
+
+ ret = da850_lcd_hw_init();
+ if (ret)
+ pr_warning("da850_evm_init: lcd initialization failed: %d\n",
+ ret);
+
+ ret = da8xx_register_lcdc();
+ if (ret)
+ pr_warning("da850_evm_init: lcdc registration failed: %d\n",
+ ret);
}
#ifdef CONFIG_SERIAL_8250_CONSOLE
.psc_ctlr = 1,
};
+static struct clk lcdc_clk = {
+ .name = "lcdc",
+ .parent = &pll0_sysclk2,
+ .lpsc = DA8XX_LPSC1_LCDC,
+ .psc_ctlr = 1,
+};
+
static struct davinci_clk da850_clks[] = {
CLK(NULL, "ref", &ref_clk),
CLK(NULL, "pll0", &pll0_clk),
CLK(NULL, "rmii", &rmii_clk),
CLK("davinci_emac.1", NULL, &emac_clk),
CLK("davinci-mcasp.0", NULL, &mcasp_clk),
+ CLK("da8xx_lcdc.0", NULL, &lcdc_clk),
CLK(NULL, NULL, NULL),
};
MUX_CFG(DA850, AXR_2, 2, 20, 15, 1, false)
MUX_CFG(DA850, AXR_1, 2, 24, 15, 1, false)
MUX_CFG(DA850, AXR_0, 2, 28, 15, 1, false)
+ /* LCD function */
+ MUX_CFG(DA850, LCD_D_7, 16, 8, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_6, 16, 12, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_5, 16, 16, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_4, 16, 20, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_3, 16, 24, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_2, 16, 28, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_1, 17, 0, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_0, 17, 4, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_15, 17, 8, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_14, 17, 12, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_13, 17, 16, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_12, 17, 20, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_11, 17, 24, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_10, 17, 28, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_9, 18, 0, 15, 2, false)
+ MUX_CFG(DA850, LCD_D_8, 18, 4, 15, 2, false)
+ MUX_CFG(DA850, LCD_PCLK, 18, 24, 15, 2, false)
+ MUX_CFG(DA850, LCD_HSYNC, 19, 0, 15, 2, false)
+ MUX_CFG(DA850, LCD_VSYNC, 19, 4, 15, 2, false)
+ MUX_CFG(DA850, NLCD_AC_ENB_CS, 19, 24, 15, 2, false)
+ /* GPIO function */
+ MUX_CFG(DA850, GPIO2_15, 5, 0, 15, 8, false)
+ MUX_CFG(DA850, GPIO8_10, 18, 28, 15, 8, false)
#endif
};
-1
};
+const short da850_lcdcntl_pins[] __initdata = {
+ 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, DA850_LCD_D_8,
+ DA850_LCD_D_9, DA850_LCD_D_10, DA850_LCD_D_11, DA850_LCD_D_12,
+ DA850_LCD_D_13, DA850_LCD_D_14, DA850_LCD_D_15, DA850_LCD_PCLK,
+ DA850_LCD_HSYNC, DA850_LCD_VSYNC, DA850_NLCD_AC_ENB_CS, DA850_GPIO2_15,
+ DA850_GPIO8_10,
+ -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,
#include <mach/common.h>
#include <mach/time.h>
#include <mach/da8xx.h>
+#include <video/da8xx-fb.h>
#include "clock.h"
platform_device_register(&da850_mcasp_device);
}
}
+
+static const struct display_panel disp_panel = {
+ QVGA,
+ 16,
+ 16,
+ COLOR_ACTIVE,
+};
+
+static struct lcd_ctrl_config lcd_cfg = {
+ &disp_panel,
+ .ac_bias = 255,
+ .ac_bias_intrpt = 0,
+ .dma_burst_sz = 16,
+ .bpp = 16,
+ .fdd = 255,
+ .tft_alt_mode = 0,
+ .stn_565_mode = 0,
+ .mono_8bit_mode = 0,
+ .invert_line_clock = 1,
+ .invert_frm_clock = 1,
+ .sync_edge = 0,
+ .sync_ctrl = 1,
+ .raster_order = 0,
+};
+
+static struct da8xx_lcdc_platform_data da850_evm_lcdc_pdata = {
+ .manu_name = "sharp",
+ .controller_data = &lcd_cfg,
+ .type = "Sharp_LK043T1DG01",
+};
+
+static struct resource da8xx_lcdc_resources[] = {
+ [0] = { /* registers */
+ .start = DA8XX_LCD_CNTRL_BASE,
+ .end = DA8XX_LCD_CNTRL_BASE + SZ_4K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = { /* interrupt */
+ .start = IRQ_DA8XX_LCDINT,
+ .end = IRQ_DA8XX_LCDINT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device da850_lcdc_device = {
+ .name = "da8xx_lcdc",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(da8xx_lcdc_resources),
+ .resource = da8xx_lcdc_resources,
+ .dev = {
+ .platform_data = &da850_evm_lcdc_pdata,
+ }
+};
+
+int __init da8xx_register_lcdc(void)
+{
+ return platform_device_register(&da850_lcdc_device);
+}
projects / firefly-linux-kernel-4.4.55.git / commitdiff