forked from Minki/linux
bd2e2b3c35
Use a PWM lookup table to provide the PWM to the pwm-backlight device. The driver has a legacy code path that is required only because boards still use the legacy method of requesting PWMs by global ID. Replacing these usages allows that legacy fallback to be removed. Cc: Daniel Mack <daniel@zonque.org> Cc: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
230 lines
5.9 KiB
C
230 lines
5.9 KiB
C
/*
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* linux/arch/arm/mach-pxa/income.c
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*
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* Support for Income s.r.o. SH-Dmaster PXA270 SBC
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*
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* Copyright (C) 2010
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* Marek Vasut <marek.vasut@gmail.com>
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* Pavel Revak <palo@bielyvlk.sk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/bitops.h>
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/ioport.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/pwm.h>
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#include <linux/pwm_backlight.h>
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#include <linux/i2c/pxa-i2c.h>
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#include <asm/irq.h>
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#include <asm/mach-types.h>
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#include <mach/hardware.h>
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#include <linux/platform_data/mmc-pxamci.h>
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#include <linux/platform_data/usb-ohci-pxa27x.h>
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#include <mach/pxa27x.h>
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#include <mach/pxa27x-udc.h>
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#include <linux/platform_data/video-pxafb.h>
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#include "devices.h"
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#include "generic.h"
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#define GPIO114_INCOME_ETH_IRQ (114)
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#define GPIO0_INCOME_SD_DETECT (0)
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#define GPIO0_INCOME_SD_RO (1)
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#define GPIO54_INCOME_LED_A (54)
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#define GPIO55_INCOME_LED_B (55)
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#define GPIO113_INCOME_TS_IRQ (113)
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/******************************************************************************
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* SD/MMC card controller
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******************************************************************************/
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#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
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static struct pxamci_platform_data income_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
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.gpio_power = -1,
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.gpio_card_detect = GPIO0_INCOME_SD_DETECT,
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.gpio_card_ro = GPIO0_INCOME_SD_RO,
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.detect_delay_ms = 200,
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};
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static void __init income_mmc_init(void)
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{
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pxa_set_mci_info(&income_mci_platform_data);
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}
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#else
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static inline void income_mmc_init(void) {}
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#endif
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/******************************************************************************
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* USB Host
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******************************************************************************/
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#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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static struct pxaohci_platform_data income_ohci_info = {
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.port_mode = PMM_PERPORT_MODE,
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.flags = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
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};
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static void __init income_uhc_init(void)
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{
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pxa_set_ohci_info(&income_ohci_info);
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}
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#else
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static inline void income_uhc_init(void) {}
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#endif
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/******************************************************************************
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* LED
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******************************************************************************/
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#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
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struct gpio_led income_gpio_leds[] = {
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{
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.name = "income:green:leda",
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.default_trigger = "none",
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.gpio = GPIO54_INCOME_LED_A,
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.active_low = 1,
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},
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{
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.name = "income:green:ledb",
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.default_trigger = "none",
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.gpio = GPIO55_INCOME_LED_B,
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.active_low = 1,
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}
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};
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static struct gpio_led_platform_data income_gpio_led_info = {
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.leds = income_gpio_leds,
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.num_leds = ARRAY_SIZE(income_gpio_leds),
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};
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static struct platform_device income_leds = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &income_gpio_led_info,
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}
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};
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static void __init income_led_init(void)
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{
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platform_device_register(&income_leds);
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}
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#else
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static inline void income_led_init(void) {}
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#endif
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/******************************************************************************
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* I2C
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******************************************************************************/
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#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
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static struct i2c_board_info __initdata income_i2c_devs[] = {
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{
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I2C_BOARD_INFO("ds1340", 0x68),
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}, {
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I2C_BOARD_INFO("lm75", 0x4f),
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},
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};
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static void __init income_i2c_init(void)
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{
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pxa_set_i2c_info(NULL);
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pxa27x_set_i2c_power_info(NULL);
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i2c_register_board_info(0, ARRAY_AND_SIZE(income_i2c_devs));
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}
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#else
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static inline void income_i2c_init(void) {}
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#endif
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/******************************************************************************
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* Framebuffer
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******************************************************************************/
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#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
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static struct pxafb_mode_info income_lcd_modes[] = {
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{
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.pixclock = 144700,
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.xres = 320,
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.yres = 240,
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.bpp = 32,
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.depth = 18,
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.left_margin = 10,
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.right_margin = 10,
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.upper_margin = 7,
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.lower_margin = 8,
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.hsync_len = 20,
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.vsync_len = 2,
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.sync = FB_SYNC_VERT_HIGH_ACT,
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},
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};
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static struct pxafb_mach_info income_lcd_screen = {
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.modes = income_lcd_modes,
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.num_modes = ARRAY_SIZE(income_lcd_modes),
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.lcd_conn = LCD_COLOR_TFT_18BPP | LCD_PCLK_EDGE_FALL,
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};
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static void __init income_lcd_init(void)
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{
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pxa_set_fb_info(NULL, &income_lcd_screen);
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}
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#else
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static inline void income_lcd_init(void) {}
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#endif
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/******************************************************************************
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* Backlight
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******************************************************************************/
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#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
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static struct pwm_lookup income_pwm_lookup[] = {
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PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 1000000,
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PWM_POLARITY_NORMAL),
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};
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static struct platform_pwm_backlight_data income_backlight_data = {
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.max_brightness = 0x3ff,
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.dft_brightness = 0x1ff,
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.enable_gpio = -1,
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};
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static struct platform_device income_backlight = {
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.name = "pwm-backlight",
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.dev = {
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.parent = &pxa27x_device_pwm0.dev,
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.platform_data = &income_backlight_data,
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},
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};
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static void __init income_pwm_init(void)
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{
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pwm_add_table(income_pwm_lookup, ARRAY_SIZE(income_pwm_lookup));
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platform_device_register(&income_backlight);
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}
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#else
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static inline void income_pwm_init(void) {}
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#endif
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void __init colibri_pxa270_income_boardinit(void)
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{
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pxa_set_ffuart_info(NULL);
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pxa_set_btuart_info(NULL);
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pxa_set_stuart_info(NULL);
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income_mmc_init();
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income_uhc_init();
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income_led_init();
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income_i2c_init();
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income_lcd_init();
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income_pwm_init();
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}
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