飞思卡尔mx6_sabresd_board_init

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kernel_imx/arch/arm/mach-mx6/board-mx6q_sabresd.c

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static void __init mx6_sabresd_board_init(void)
{
int i;
int ret;
struct clk *clko, *clko2;
struct clk *new_parent;
int rate;
//判断cpu类型和pad初始化;
if (cpu_is_mx6q())
mxc_iomux_v3_setup_multiple_pads(mx6q_sabresd_pads,
ARRAY_SIZE(mx6q_sabresd_pads));
else if (cpu_is_mx6dl()) {
//配置管脚:i2c/i2s/......
mxc_iomux_v3_setup_multiple_pads(mx6dl_sabresd_pads,
ARRAY_SIZE(mx6dl_sabresd_pads));
}
#ifdef CONFIG_FEC_1588
/* Set GPIO_16 input for IEEE-1588 ts_clk and RMII reference clock
* For MX6 GPR1 bit21 meaning:
* Bit21: 0 - GPIO_16 pad output
* 1 - GPIO_16 pad input
*/
mxc_iomux_set_gpr_register(1, 21, 1, 1);
#endif
//(1)申请GPIO=>(2)设置GPIO=>(3)释放GPIO=>为了别人可以使用;类似互斥量;
gpio_request(SABRESD_PHY_RST, "phy_reset"); //申请一个引脚;"phy_reset"是描述;
gpio_direction_output(SABRESD_PHY_RST, 1); //设置端口为输出；并设为高电平;
gpio_free(SABRESD_PHY_RST); //释放GPIO;
gp_reg_id = sabresd_dvfscore_data.reg_id;
soc_reg_id = sabresd_dvfscore_data.soc_id;
pu_reg_id = sabresd_dvfscore_data.pu_id;
mx6q_sabresd_init_uart(); //串口初始化;
/*
* MX6DL/Solo only supports single IPU
* The following codes are used to change ipu id
* and display id information for MX6DL/Solo. Then
* register 1 IPU device and up to 2 displays for
* MX6DL/Solo
*/
if (cpu_is_mx6dl()) {
ldb_data.ipu_id = 0;
ldb_data.disp_id = 0;
// hdmi_core_data.ipu_id = 0;
// hdmi_core_data.disp_id = 0;
// mipi_dsi_pdata.ipu_id = 0;
// mipi_dsi_pdata.disp_id = 1;
}
imx6q_add_mxc_hdmi_core(&hdmi_core_data);
imx6q_add_ipuv3(0, &ipu_data[0]);
if (cpu_is_mx6q()) {
imx6q_add_ipuv3(1, &ipu_data[1]);
for (i = 0; i < 4 && i < ARRAY_SIZE(sabresd_fb_data); i++)
imx6q_add_ipuv3fb(i, &sabresd_fb_data[i]);
} else
for (i = 0; i < 2 && i < ARRAY_SIZE(sabresd_fb_data); i++)
imx6q_add_ipuv3fb(i, &sabresd_fb_data[i]);
imx6q_add_vdoa();
//imx6q_add_mipi_dsi(&mipi_dsi_pdata);
//imx6q_add_lcdif(&lcdif_data);
imx6q_add_ldb(&ldb_data); //LVDS作为主显示;
imx6q_add_v4l2_output(0);
imx6q_add_v4l2_capture(0, &capture_data[0]); //Camera接口
imx6q_add_v4l2_capture(1, &capture_data[1]); //Camera接口
imx6q_add_mipi_csi2(&mipi_csi2_pdata);
imx6q_add_imx_snvs_rtc();
//imx6q_add_flexcan(0, &mx6q_sabresd_flexcan0_pdata);
imx6q_add_imx_caam();
if (board_is_mx6_reva()) {
strcpy(mxc_i2c0_board_info[0].type, "wm8958");
mxc_i2c0_board_info[0].platform_data = &wm8958_config_data;
} else {
//strcpy(mxc_i2c0_board_info[0].type, "wm8962");
//mxc_i2c0_board_info[0].platform_data = &wm8962_config_data;
}
//imx6q_add_device_gpio_leds();
imx6q_add_imx_i2c(0, &mx6q_sabresd_i2c_data); //添加i2c platform devices;
imx6q_add_imx_i2c(1, &mx6q_sabresd_i2c_data); //添加i2c platform devices;
imx6q_add_imx_i2c(2, &mx6q_sabresd_i2c_data); //添加i2c platform devices;
i2c_register_board_info(0, mxc_i2c0_board_info,
ARRAY_SIZE(mxc_i2c0_board_info));
i2c_register_board_info(1, mxc_i2c1_board_info,
ARRAY_SIZE(mxc_i2c1_board_info));
i2c_register_board_info(2, mxc_i2c2_board_info,
ARRAY_SIZE(mxc_i2c2_board_info));
/* SPI */
//imx6q_add_ecspi(0, &mx6q_sabresd_spi_data);
//spi_device_init();
imx6q_add_mxc_hdmi(&hdmi_data);
imx6q_add_anatop_thermal_imx(1, &mx6q_sabresd_anatop_thermal_data);
imx6_init_fec(fec_data);
imx6q_add_pm_imx(0, &mx6q_sabresd_pm_data);
/* Move sd4 to first because sd4 connect to emmc.
Mfgtools want emmc is mmcblk0 and other sd card is mmcblk1.
*/
imx6q_add_sdhci_usdhc_imx(3, &mx6q_sabresd_sd4_data);
imx6q_add_sdhci_usdhc_imx(2, &mx6q_sabresd_sd3_data);
imx6q_add_sdhci_usdhc_imx(1, &mx6q_sabresd_sd2_data);
imx_add_viv_gpu(&imx6_gpu_data, &imx6q_gpu_pdata);
imx6q_sabresd_init_usb();
imx6q_add_vpu();
imx6q_init_audio();
platform_device_register(&sabresd_vmmc_reg_devices);
imx_asrc_data.asrc_core_clk = clk_get(NULL, "asrc_clk");
imx_asrc_data.asrc_audio_clk = clk_get(NULL, "asrc_serial_clk");
imx6q_add_asrc(&imx_asrc_data);
imx6q_add_mxc_pwm(0); //增加pwm0
//imx6q_add_mxc_pwm(1);
//imx6q_add_mxc_pwm(2);
//imx6q_add_mxc_pwm(3);
//pwm0控制lvds背光;
imx6q_add_mxc_pwm_backlight(0, &mx6_sabresd_pwm_backlight_data);
imx6q_add_otp();
imx6q_add_viim();
imx6q_add_imx2_wdt(0, NULL);
imx6q_add_dma();
imx6q_add_dvfs_core(&sabresd_dvfscore_data);
#ifndef CONFIG_MX6_INTER_LDO_BYPASS
mx6_cpu_regulator_init();
#endif
imx6q_add_ion(0, &imx_ion_data,
sizeof(imx_ion_data) + sizeof(struct ion_platform_heap));
imx6q_add_device_buttons();
imx6q_add_hdmi_soc();
imx6q_add_hdmi_soc_dai();
if (cpu_is_mx6dl()) {
imx6dl_add_imx_pxp();
imx6dl_add_imx_pxp_client();
if (epdc_enabled) {
mxc_register_device(&max17135_sensor_device, NULL);
imx6dl_add_imx_epdc(&epdc_data);
}
}
/*
ret = gpio_request_array(mx6q_sabresd_flexcan_gpios,
ARRAY_SIZE(mx6q_sabresd_flexcan_gpios));
if (ret)
pr_err("failed to request flexcan1-gpios: %d\n", ret);
else
imx6q_add_flexcan0(&mx6q_sabresd_flexcan0_pdata);
*/
clko2 = clk_get(NULL, "clko2_clk");
if (IS_ERR(clko2))
pr_err("can't get CLKO2 clock.\n");
new_parent = clk_get(NULL, "osc_clk");
if (!IS_ERR(new_parent)) {
clk_set_parent(clko2, new_parent);
clk_put(new_parent);
}
rate = clk_round_rate(clko2, 24000000);
clk_set_rate(clko2, rate);
clk_enable(clko2);
/* Camera and audio use osc clock */
clko = clk_get(NULL, "clko_clk");
if (!IS_ERR(clko))
clk_set_parent(clko, clko2);
/* Enable Aux_5V */
gpio_request(SABRESD_AUX_5V_EN, "aux_5v_en");
gpio_direction_output(SABRESD_AUX_5V_EN, 1);
gpio_set_value(SABRESD_AUX_5V_EN, 1);
#ifndef CONFIG_IMX_PCIE
/* enable pcie 3v3 power without pcie driver */
pcie_3v3_power();
mdelay(10);
pcie_3v3_reset();
#endif
//gps_power_on(true);
/* Register charger chips */
platform_device_register(&sabresd_max8903_charger_1);
pm_power_off = mx6_snvs_poweroff;
imx6q_add_busfreq();
/* Add PCIe RC interface support */
imx6q_add_pcie(&mx6_sabresd_pcie_data);
imx6_add_armpmu();
imx6q_add_perfmon(0);
imx6q_add_perfmon(1);
imx6q_add_perfmon(2);
}

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