Hi IIya,
> Support for the HTKW mcx board (TI AM3517 based) including serial,
> Ethernet, I2C, USB host, HSMMC, DSS and RTC.
>
> Signed-off-by: Ilya Yanok <yanok@xxxxxxxxxxx>
> +static struct omap_dss_board_info mcx_dss_data = {
> + .num_devices = ARRAY_SIZE(mcx_dss_devices),
> + .devices = mcx_dss_devices,
> + .default_device = &mcx_lcd_device,
> +};
> +
> +static void __init mcx_display_init(void)
> +{
> + int r;
> +
> + /* disable LCD backlight */
> + r = gpio_request(LCD_BKLIGHT_EN, "LCD_BKLIGHT_EN");
> + if (r) {
> + printk(KERN_ERR "failed to get LCD_BKLIGHT_EN gpio\n");
You should use pr_err macro for error conditions to print, instead of printk.
> + goto err_1;
> + }
> + omap_mux_init_gpio(LCD_BKLIGHT_EN, OMAP_PIN_OUTPUT);
> + gpio_direction_output(LCD_BKLIGHT_EN, 0);
> +
> + /* Enable VIO-> 3.3v level shifter */
> + r = gpio_request(LCD_LVL_SFHT_BUF_ENn, "LCD_LVL_SFHT_BUF_ENn");
> + if (r) {
> + printk(KERN_ERR "failed to get LCD_LVL_SFHT_BUF_ENn gpio\n");
Same here. Deprecate the use of printk for error printing.
> + goto err_2;
> + }
> + omap_mux_init_gpio(LCD_LVL_SFHT_BUF_ENn, OMAP_PIN_OUTPUT);
> + gpio_direction_output(LCD_LVL_SFHT_BUF_ENn, 0);
> +
> + /* Enable LCD panel VCC */
> +
> + r = gpio_request(LCD_PWR_ENn, "LCD_PWR_ENn");
> + if (r) {
> + printk(KERN_ERR "failed to get LCD_PWR_ENn\n");
Same Here.
> + goto err_3;
> + }
> + omap_mux_init_gpio(LCD_PWR_ENn, OMAP_PIN_OUTPUT);
> +
> + gpio_direction_output(LCD_PWR_ENn, 0);
> +
> + /* Disable HDMI transceiver */
> + r = gpio_request(HDMI_TRCVR_PDn, "HDMI_TRCVR_PDn");
> + if (r) {
> + printk(KERN_ERR "failed to get HDMI_TRCVR_PDn\n");
Same Here.
> + goto err_4;
> + }
> + omap_mux_init_gpio(HDMI_TRCVR_PDn, OMAP_PIN_OUTPUT);
> + gpio_direction_output(HDMI_TRCVR_PDn, 0);
> +
> + omap_display_init(&mcx_dss_data);
> +
> + return;
> +
> +err_4:
> + gpio_free(HDMI_TRCVR_PDn);
> +err_3:
> + gpio_free(LCD_LVL_SFHT_BUF_ENn);
> +err_2:
> + gpio_free(LCD_LVL_SFHT_BUF_ENn);
> +err_1:
> + gpio_free(LCD_BKLIGHT_EN);
> +}
> +
> +/* TPS65023 specific initialization */
> +/* VDCDC1 -> VDD_CORE */
> +static struct regulator_consumer_supply am3517_vdcdc1_supplies[] = {
> + {
> + .supply = "vdd_core",
> + },
> +};
> +
> +/* VDCDC2 -> VDDSHV */
> +static struct regulator_consumer_supply am3517_vdcdc2_supplies[] = {
> + {
> + .supply = "vddshv",
> + },
> +};
> +
> +/*
> + * VDCDC2 |-> VDDS
> + * |-> VDDS_SRAM_CORE_BG
> + * |-> VDDS_SRAM_MPU
> + */
> +static struct regulator_consumer_supply am3517_vdcdc3_supplies[] = {
> + {
> + .supply = "vdds",
> + },
> + {
> + .supply = "vdds_sram_core_bg",
> + },
> + {
> + .supply = "vdds_sram_mpu",
> + },
> +};
> +
> +/*
> + * LDO1 |-> VDDA1P8V_USBPHY
> + * |-> VDDA_DAC
> + */
> +static struct regulator_consumer_supply am3517_ldo1_supplies[] = {
> + {
> + .supply = "vdda1p8v_usbphy",
> + },
> + {
> + .supply = "vdda_dac",
> + },
> +};
> +
> +/* LDO2 -> VDDA3P3V_USBPHY */
> +static struct regulator_consumer_supply am3517_ldo2_supplies[] = {
> + {
> + .supply = "vdda3p3v_usbphy",
> + },
> +};
> +
> +static struct regulator_init_data mcx_regulator_data[] = {
> + /* DCDC1 */
> + {
> + .constraints = {
> + .min_uV = 1200000,
> + .max_uV = 1200000,
> + .valid_modes_mask = REGULATOR_MODE_NORMAL,
> + .valid_ops_mask = REGULATOR_CHANGE_STATUS,
> + .always_on = true,
> + .apply_uV = false,
> + },
> + .num_consumer_supplies = ARRAY_SIZE(am3517_vdcdc1_supplies),
> + .consumer_supplies = am3517_vdcdc1_supplies,
> + },
> + /* DCDC2 */
> + {
> + .constraints = {
> + .min_uV = 3300000,
> + .max_uV = 3300000,
> + .valid_modes_mask = REGULATOR_MODE_NORMAL,
> + .valid_ops_mask = REGULATOR_CHANGE_STATUS,
> + .always_on = true,
> + .apply_uV = false,
> + },
> + .num_consumer_supplies = ARRAY_SIZE(am3517_vdcdc2_supplies),
> + .consumer_supplies = am3517_vdcdc2_supplies,
> + },
> + /* DCDC3 */
> + {
> + .constraints = {
> + .min_uV = 1800000,
> + .max_uV = 1800000,
> + .valid_modes_mask = REGULATOR_MODE_NORMAL,
> + .valid_ops_mask = REGULATOR_CHANGE_STATUS,
> + .always_on = true,
> + .apply_uV = false,
> + },
> + .num_consumer_supplies = ARRAY_SIZE(am3517_vdcdc3_supplies),
> + .consumer_supplies = am3517_vdcdc3_supplies,
> + },
> + /* LDO1 */
> + {
> + .constraints = {
> + .min_uV = 1800000,
> + .max_uV = 1800000,
> + .valid_modes_mask = REGULATOR_MODE_NORMAL,
> + .valid_ops_mask = REGULATOR_CHANGE_STATUS,
> + .always_on = false,
> + .apply_uV = false,
> + },
> + .num_consumer_supplies = ARRAY_SIZE(am3517_ldo1_supplies),
> + .consumer_supplies = am3517_ldo1_supplies,
> + },
> + /* LDO2 */
> + {
> + .constraints = {
> + .min_uV = 3300000,
> + .max_uV = 3300000,
> + .valid_modes_mask = REGULATOR_MODE_NORMAL,
> + .valid_ops_mask = REGULATOR_CHANGE_STATUS,
> + .always_on = false,
> + .apply_uV = false,
> + },
> + .num_consumer_supplies = ARRAY_SIZE(am3517_ldo2_supplies),
> + .consumer_supplies = am3517_ldo2_supplies,
> + },
> +};
> +
> +static struct i2c_board_info __initdata mcx_i2c1_devices[] = {
> + {
> + I2C_BOARD_INFO("ds1337", 0x68),
> + },
> + {
> + I2C_BOARD_INFO("tps65023", 0x48),
> + .flags = I2C_CLIENT_WAKE,
> + .platform_data = &mcx_regulator_data[0],
> + },
> +};
> +
> +#define TOUCH_INT_GPIO 170
> +
> +static struct edt_platform_data edt_ts_data = {
> + .irq_gpio = TOUCH_INT_GPIO,
> +};
> +
> +static int __init mcx_ts_init(void)
> +{
> + struct i2c_board_info mcx_edt_ts[] = {
> + {
> + I2C_BOARD_INFO("edt_ts", 0x38),
> + .platform_data = &edt_ts_data,
> + },
> + };
> +
> + if (gpio_request(TOUCH_INT_GPIO, "TOUCH_INT")) {
> + printk(KERN_ERR "failed to get TOUCH_INT gpio\n");
Please use pr_err instead of printk.
> + return 1;
> + }
> +
> + gpio_direction_input(TOUCH_INT_GPIO);
> +
> + i2c_register_board_info(3, mcx_edt_ts, 1);
> +
> + return 0;
> +}
> +
> +static int __init mcx_i2c_init(void)
> +{
> + omap_register_i2c_bus(1, 400, mcx_i2c1_devices,
> + ARRAY_SIZE(mcx_i2c1_devices));
> + omap_register_i2c_bus(2, 400, NULL, 0);
> + omap_register_i2c_bus(3, 400, NULL, 0);
> + mcx_ts_init();
> + return 0;
> +}
> +
> +#define USB_HOST_PWR_EN 132
> +#define USB_PHY1_RESET 154
> +#define USB_PHY2_RESET 152
> +
> +static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
> +
> + .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
> + .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
> + .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
> +
> + .phy_reset = true,
> + .reset_gpio_port[0] = USB_PHY1_RESET,
> + .reset_gpio_port[1] = USB_PHY2_RESET,
> + .reset_gpio_port[2] = -EINVAL
> +};
> +
> +#define SD_CARD_WP 65
> +
> +static struct omap2_hsmmc_info mmc[] = {
> + {
> + .mmc = 1,
> + .caps = MMC_CAP_4_BIT_DATA,
> + .gpio_cd = -EINVAL,
> + .gpio_wp = SD_CARD_WP,
> + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34 |
> + MMC_VDD_165_195,
> + },
> + {} /* Terminator */
> +};
> +
> +#ifdef CONFIG_OMAP_MUX
> +static struct omap_board_mux board_mux[] __initdata = {
> + OMAP3_MUX(CHASSIS_DMAREQ3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
> + OMAP3_MUX(UART1_TX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT |
> + OMAP_PULL_ENA | OMAP_PULL_UP),
> + OMAP3_MUX(UART1_RX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
> + OMAP3_MUX(UART1_RTS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
> + OMAP3_MUX(UART1_CTS, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT |
> + OMAP_PULL_ENA | OMAP_PULL_UP),
> + { .reg_offset = OMAP_MUX_TERMINATOR },
> +};
> +#endif
> +
> +static void __init mcx_init(void)
> +{
> + omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
> + mcx_i2c_init();
> + omap_serial_init();
> +
> + mcx_display_init();
> +
> + /* Configure EHCI ports */
> + gpio_request(USB_HOST_PWR_EN, "USB_HOST_PWR_EN");
No error checking for gpio_request?
> + omap_mux_init_gpio(USB_HOST_PWR_EN, OMAP_PIN_OUTPUT);
> + gpio_direction_output(USB_HOST_PWR_EN, 1);
> +
> + omap_mux_init_gpio(USB_PHY1_RESET, OMAP_PIN_OUTPUT);
> + omap_mux_init_gpio(USB_PHY2_RESET, OMAP_PIN_OUTPUT);
> + usbhs_init(&usbhs_bdata);
> + omap_nand_flash_init(NAND_BUSWIDTH_16, mcx_nand_partitions,
> + ARRAY_SIZE(mcx_nand_partitions));
> + /*Ethernet*/
> + mcx_ethernet_init(&mcx_emac_pdata);
> +
> + /* MMC init */
> + omap_mux_init_gpio(SD_CARD_WP, OMAP_PIN_INPUT);
> + omap2_hsmmc_init(mmc);
> +}
> +
> +static const char *mcx_dt_match[] __initdata = {
> + "htkw,mcx",
> + NULL
> +};
> +
> +MACHINE_START(MCX, "htkw mcx")
> + /* Maintainer: Ilya Yanok */
> + .atag_offset = 0x100,
> + .reserve = omap_reserve,
> + .map_io = omap3_map_io,
> + .init_early = am35xx_init_early,
> + .init_irq = omap3_init_irq,
> + .init_machine = mcx_init,
> + .timer = &omap3_timer,
> + .dt_compat = mcx_dt_match,
> +MACHINE_END
> diff --git a/arch/arm/plat-omap/include/plat/uncompress.h
> b/arch/arm/plat-omap/include/plat/uncompress.h
> index 2d45ea3..5a1bb62 100644
> --- a/arch/arm/plat-omap/include/plat/uncompress.h
> +++ b/arch/arm/plat-omap/include/plat/uncompress.h
> @@ -168,6 +168,7 @@ static inline void __arch_decomp_setup(unsigned long
> arch_id)
> DEBUG_LL_OMAP3(3, omap_ldp);
> DEBUG_LL_OMAP3(3, overo);
> DEBUG_LL_OMAP3(3, touchbook);
> + DEBUG_LL_OMAP3(3, mcx);
>
> /* omap4 based boards using UART3 */
> DEBUG_LL_OMAP4(3, omap_4430sdp);
> --
> 1.7.6.4
>
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>
Thanks,
Pankaj
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
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