6f26f6f5d1
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>
445 lines
11 KiB
C
445 lines
11 KiB
C
/*
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* linux/arch/arm/mach-pxa/zylonite.c
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*
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* Support for the PXA3xx Development Platform (aka Zylonite)
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*
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* Copyright (C) 2006 Marvell International Ltd.
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*
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* 2007-09-04: eric miao <eric.miao@marvell.com>
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* rewrite to align with latest kernel
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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/module.h>
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#include <linux/kernel.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <linux/pwm.h>
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#include <linux/pwm_backlight.h>
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#include <linux/smc91x.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <mach/pxa3xx.h>
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#include <mach/audio.h>
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#include <linux/platform_data/video-pxafb.h>
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#include <mach/zylonite.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 <linux/platform_data/keypad-pxa27x.h>
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#include <linux/platform_data/mtd-nand-pxa3xx.h>
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#include "devices.h"
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#include "generic.h"
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int gpio_eth_irq;
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int gpio_debug_led1;
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int gpio_debug_led2;
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int wm9713_irq;
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int lcd_id;
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int lcd_orientation;
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struct platform_device pxa_device_wm9713_audio = {
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.name = "wm9713-codec",
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.id = -1,
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};
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static void __init zylonite_init_wm9713_audio(void)
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{
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platform_device_register(&pxa_device_wm9713_audio);
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}
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static struct resource smc91x_resources[] = {
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[0] = {
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.start = ZYLONITE_ETH_PHYS + 0x300,
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.end = ZYLONITE_ETH_PHYS + 0xfffff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = -1, /* for run-time assignment */
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.end = -1,
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
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}
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};
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static struct smc91x_platdata zylonite_smc91x_info = {
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.flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
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SMC91X_NOWAIT | SMC91X_USE_DMA,
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};
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static struct platform_device smc91x_device = {
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.name = "smc91x",
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.id = 0,
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.num_resources = ARRAY_SIZE(smc91x_resources),
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.resource = smc91x_resources,
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.dev = {
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.platform_data = &zylonite_smc91x_info,
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},
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};
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#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
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static struct gpio_led zylonite_debug_leds[] = {
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[0] = {
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.name = "zylonite:yellow:1",
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.default_trigger = "heartbeat",
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},
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[1] = {
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.name = "zylonite:yellow:2",
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.default_trigger = "default-on",
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},
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};
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static struct gpio_led_platform_data zylonite_debug_leds_info = {
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.leds = zylonite_debug_leds,
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.num_leds = ARRAY_SIZE(zylonite_debug_leds),
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};
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static struct platform_device zylonite_device_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 = &zylonite_debug_leds_info,
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}
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};
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static void __init zylonite_init_leds(void)
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{
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zylonite_debug_leds[0].gpio = gpio_debug_led1;
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zylonite_debug_leds[1].gpio = gpio_debug_led2;
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platform_device_register(&zylonite_device_leds);
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}
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#else
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static inline void zylonite_init_leds(void) {}
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#endif
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#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
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static struct pwm_lookup zylonite_pwm_lookup[] = {
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PWM_LOOKUP("pxa27x-pwm.1", 1, "pwm-backlight.0", NULL, 10000,
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PWM_POLARITY_NORMAL),
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};
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static struct platform_pwm_backlight_data zylonite_backlight_data = {
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.max_brightness = 100,
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.dft_brightness = 100,
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.enable_gpio = -1,
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};
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static struct platform_device zylonite_backlight_device = {
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.name = "pwm-backlight",
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.dev = {
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.parent = &pxa27x_device_pwm1.dev,
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.platform_data = &zylonite_backlight_data,
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},
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};
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static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
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.pixclock = 110000,
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.xres = 240,
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.yres = 320,
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.bpp = 16,
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.hsync_len = 4,
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.left_margin = 6,
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.right_margin = 4,
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.vsync_len = 2,
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.upper_margin = 2,
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.lower_margin = 3,
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.sync = FB_SYNC_VERT_HIGH_ACT,
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};
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static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
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.pixclock = 50000,
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.xres = 640,
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.yres = 480,
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.bpp = 16,
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.hsync_len = 1,
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.left_margin = 0x9f,
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.right_margin = 1,
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.vsync_len = 44,
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.upper_margin = 0,
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.lower_margin = 0,
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.sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
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};
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static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
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.num_modes = 1,
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.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
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};
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static struct pxafb_mode_info sharp_ls037_modes[] = {
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[0] = {
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.pixclock = 158000,
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.xres = 240,
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.yres = 320,
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.bpp = 16,
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.hsync_len = 4,
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.left_margin = 39,
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.right_margin = 39,
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.vsync_len = 1,
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.upper_margin = 2,
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.lower_margin = 3,
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.sync = 0,
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},
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[1] = {
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.pixclock = 39700,
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.xres = 480,
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.yres = 640,
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.bpp = 16,
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.hsync_len = 8,
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.left_margin = 81,
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.right_margin = 81,
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.vsync_len = 1,
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.upper_margin = 2,
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.lower_margin = 7,
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.sync = 0,
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},
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};
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static struct pxafb_mach_info zylonite_sharp_lcd_info = {
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.modes = sharp_ls037_modes,
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.num_modes = 2,
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.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
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};
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static void __init zylonite_init_lcd(void)
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{
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pwm_add_table(zylonite_pwm_lookup, ARRAY_SIZE(zylonite_pwm_lookup));
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platform_device_register(&zylonite_backlight_device);
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if (lcd_id & 0x20) {
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pxa_set_fb_info(NULL, &zylonite_sharp_lcd_info);
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return;
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}
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/* legacy LCD panels, it would be handy here if LCD panel type can
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* be decided at run-time
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*/
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if (1)
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zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
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else
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zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
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pxa_set_fb_info(NULL, &zylonite_toshiba_lcd_info);
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}
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#else
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static inline void zylonite_init_lcd(void) {}
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#endif
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#if defined(CONFIG_MMC)
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static struct pxamci_platform_data zylonite_mci_platform_data = {
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.detect_delay_ms= 200,
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.gpio_card_detect = EXT_GPIO(0),
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.gpio_card_ro = EXT_GPIO(2),
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.gpio_power = -1,
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};
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static struct pxamci_platform_data zylonite_mci2_platform_data = {
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.detect_delay_ms= 200,
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.gpio_card_detect = EXT_GPIO(1),
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.gpio_card_ro = EXT_GPIO(3),
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.gpio_power = -1,
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};
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static struct pxamci_platform_data zylonite_mci3_platform_data = {
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.detect_delay_ms= 200,
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.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
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.gpio_card_detect = EXT_GPIO(30),
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.gpio_card_ro = EXT_GPIO(31),
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.gpio_power = -1,
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};
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static void __init zylonite_init_mmc(void)
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{
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pxa_set_mci_info(&zylonite_mci_platform_data);
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pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
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if (cpu_is_pxa310())
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pxa3xx_set_mci3_info(&zylonite_mci3_platform_data);
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}
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#else
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static inline void zylonite_init_mmc(void) {}
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#endif
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#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
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static const unsigned int zylonite_matrix_key_map[] = {
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/* KEY(row, col, key_code) */
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KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_C), KEY(0, 5, KEY_D),
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KEY(1, 0, KEY_E), KEY(1, 1, KEY_F), KEY(1, 2, KEY_G), KEY(1, 5, KEY_H),
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KEY(2, 0, KEY_I), KEY(2, 1, KEY_J), KEY(2, 2, KEY_K), KEY(2, 5, KEY_L),
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KEY(3, 0, KEY_M), KEY(3, 1, KEY_N), KEY(3, 2, KEY_O), KEY(3, 5, KEY_P),
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KEY(5, 0, KEY_Q), KEY(5, 1, KEY_R), KEY(5, 2, KEY_S), KEY(5, 5, KEY_T),
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KEY(6, 0, KEY_U), KEY(6, 1, KEY_V), KEY(6, 2, KEY_W), KEY(6, 5, KEY_X),
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KEY(7, 1, KEY_Y), KEY(7, 2, KEY_Z),
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KEY(4, 4, KEY_0), KEY(1, 3, KEY_1), KEY(4, 1, KEY_2), KEY(1, 4, KEY_3),
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KEY(2, 3, KEY_4), KEY(4, 2, KEY_5), KEY(2, 4, KEY_6), KEY(3, 3, KEY_7),
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KEY(4, 3, KEY_8), KEY(3, 4, KEY_9),
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KEY(4, 5, KEY_SPACE),
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KEY(5, 3, KEY_KPASTERISK), /* * */
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KEY(5, 4, KEY_KPDOT), /* #" */
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KEY(0, 7, KEY_UP),
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KEY(1, 7, KEY_DOWN),
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KEY(2, 7, KEY_LEFT),
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KEY(3, 7, KEY_RIGHT),
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KEY(2, 6, KEY_HOME),
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KEY(3, 6, KEY_END),
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KEY(6, 4, KEY_DELETE),
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KEY(6, 6, KEY_BACK),
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KEY(6, 3, KEY_CAPSLOCK), /* KEY_LEFTSHIFT), */
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KEY(4, 6, KEY_ENTER), /* scroll push */
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KEY(5, 7, KEY_ENTER), /* keypad action */
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KEY(0, 4, KEY_EMAIL),
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KEY(5, 6, KEY_SEND),
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KEY(4, 0, KEY_CALENDAR),
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KEY(7, 6, KEY_RECORD),
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KEY(6, 7, KEY_VOLUMEUP),
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KEY(7, 7, KEY_VOLUMEDOWN),
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KEY(0, 6, KEY_F22), /* soft1 */
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KEY(1, 6, KEY_F23), /* soft2 */
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KEY(0, 3, KEY_AUX), /* contact */
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};
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static struct matrix_keymap_data zylonite_matrix_keymap_data = {
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.keymap = zylonite_matrix_key_map,
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.keymap_size = ARRAY_SIZE(zylonite_matrix_key_map),
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};
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static struct pxa27x_keypad_platform_data zylonite_keypad_info = {
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.matrix_key_rows = 8,
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.matrix_key_cols = 8,
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.matrix_keymap_data = &zylonite_matrix_keymap_data,
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.enable_rotary0 = 1,
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.rotary0_up_key = KEY_UP,
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.rotary0_down_key = KEY_DOWN,
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.debounce_interval = 30,
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};
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static void __init zylonite_init_keypad(void)
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{
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pxa_set_keypad_info(&zylonite_keypad_info);
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}
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#else
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static inline void zylonite_init_keypad(void) {}
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#endif
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#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
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static struct mtd_partition zylonite_nand_partitions[] = {
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[0] = {
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.name = "Bootloader",
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.offset = 0,
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.size = 0x060000,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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[1] = {
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.name = "Kernel",
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.offset = 0x060000,
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.size = 0x200000,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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[2] = {
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.name = "Filesystem",
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.offset = 0x0260000,
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.size = 0x3000000, /* 48M - rootfs */
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},
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[3] = {
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.name = "MassStorage",
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.offset = 0x3260000,
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.size = 0x3d40000,
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},
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[4] = {
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.name = "BBT",
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.offset = 0x6FA0000,
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.size = 0x80000,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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/* NOTE: we reserve some blocks at the end of the NAND flash for
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* bad block management, and the max number of relocation blocks
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* differs on different platforms. Please take care with it when
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* defining the partition table.
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*/
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};
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static struct pxa3xx_nand_platform_data zylonite_nand_info = {
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.enable_arbiter = 1,
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.num_cs = 1,
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.parts[0] = zylonite_nand_partitions,
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.nr_parts[0] = ARRAY_SIZE(zylonite_nand_partitions),
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};
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static void __init zylonite_init_nand(void)
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{
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pxa3xx_set_nand_info(&zylonite_nand_info);
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}
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#else
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static inline void zylonite_init_nand(void) {}
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#endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
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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 zylonite_ohci_info = {
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.port_mode = PMM_PERPORT_MODE,
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.flags = ENABLE_PORT1 | ENABLE_PORT2 |
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POWER_CONTROL_LOW | POWER_SENSE_LOW,
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};
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static void __init zylonite_init_ohci(void)
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{
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pxa_set_ohci_info(&zylonite_ohci_info);
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}
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#else
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static inline void zylonite_init_ohci(void) {}
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#endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
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static void __init zylonite_init(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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/* board-processor specific initialization */
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zylonite_pxa300_init();
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zylonite_pxa320_init();
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/*
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* Note: We depend that the bootloader set
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* the correct value to MSC register for SMC91x.
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*/
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smc91x_resources[1].start = PXA_GPIO_TO_IRQ(gpio_eth_irq);
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smc91x_resources[1].end = PXA_GPIO_TO_IRQ(gpio_eth_irq);
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platform_device_register(&smc91x_device);
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pxa_set_ac97_info(NULL);
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zylonite_init_lcd();
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zylonite_init_mmc();
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zylonite_init_keypad();
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zylonite_init_nand();
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zylonite_init_leds();
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zylonite_init_ohci();
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zylonite_init_wm9713_audio();
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}
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MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
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.atag_offset = 0x100,
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.map_io = pxa3xx_map_io,
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.nr_irqs = ZYLONITE_NR_IRQS,
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.init_irq = pxa3xx_init_irq,
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.handle_irq = pxa3xx_handle_irq,
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.init_time = pxa_timer_init,
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.init_machine = zylonite_init,
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.restart = pxa_restart,
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MACHINE_END
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