+++ /dev/null
-/*
- * arch/ubicom32/mach-ip7k/board-ip7500iap.c
- * Support for IP7500 Internet Audio Player
- *
- * This file supports the IP7500 Internet Audio Player:
- * 8007-1110 Rev 1.0
- *
- * (C) Copyright 2009, Ubicom, Inc.
- *
- * This file is part of the Ubicom32 Linux Kernel Port.
- *
- * The Ubicom32 Linux Kernel Port is free software: you can redistribute
- * it and/or modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 2 of the
- * License, or (at your option) any later version.
- *
- * The Ubicom32 Linux Kernel Port is distributed in the hope that it
- * will be useful, but WITHOUT ANY WARRANTY; without even the implied
- * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
- * the GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with the Ubicom32 Linux Kernel Port. If not,
- * see <http://www.gnu.org/licenses/>.
- */
-#include <linux/device.h>
-#include <linux/gpio.h>
-#include <asm/board.h>
-
-#include <linux/delay.h>
-
-#include <linux/platform_device.h>
-#include <asm/audio.h>
-#include <linux/i2c.h>
-#include <linux/i2c-gpio.h>
-
-#include <asm/ubicom32sd.h>
-#include <asm/sd_tio.h>
-
-#include <asm/ubicom32bl.h>
-
-#include <asm/machdep.h>
-
-/******************************************************************************
- * SD/IO Port F (Slot 1) platform data
- */
-static struct resource ip7500iap_portf_sd_resources[] = {
- /*
- * Send IRQ
- */
- [0] = {
- /*
- * The init routine will query the devtree and fill this in
- */
- .flags = IORESOURCE_IRQ,
- },
-
- /*
- * Receive IRQ
- */
- [1] = {
- /*
- * The init routine will query the devtree and fill this in
- */
- .flags = IORESOURCE_IRQ,
- },
-
- /*
- * Memory Mapped Registers
- */
- [2] = {
- /*
- * The init routine will query the devtree and fill this in
- */
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct ubicom32sd_card ip7500iap_portf_sd_cards[] = {
- [0] = {
- .pin_wp = GPIO_RF_7,
- .wp_polarity = 1,
- .pin_pwr = GPIO_RF_8,
- .pin_cd = GPIO_RF_6,
- },
-};
-
-static struct ubicom32sd_platform_data ip7500iap_portf_sd_platform_data = {
- .ncards = 1,
- .cards = ip7500iap_portf_sd_cards,
-};
-
-static struct platform_device ip7500iap_portf_sd_device = {
- .name = "ubicom32sd",
- .id = 0,
- .resource = ip7500iap_portf_sd_resources,
- .num_resources = ARRAY_SIZE(ip7500iap_portf_sd_resources),
- .dev = {
- .platform_data = &ip7500iap_portf_sd_platform_data,
- },
-
-};
-
-/*
- * ip7500iap_portf_sd_init
- */
-static void ip7500iap_portf_sd_init(void)
-{
- /*
- * Check the device tree for the sd_tio
- */
- struct sd_tio_node *sd_node = (struct sd_tio_node *)devtree_find_node("portf_sd");
- if (!sd_node) {
- printk(KERN_INFO "PortF SDTIO not found\n");
- return;
- }
-
- /*
- * Fill in the resources and platform data from devtree information
- */
- ip7500iap_portf_sd_resources[0].start = sd_node->dn.sendirq;
- ip7500iap_portf_sd_resources[1].start = sd_node->dn.recvirq;
- ip7500iap_portf_sd_resources[2].start = (u32_t)&(sd_node->regs);
- ip7500iap_portf_sd_resources[2].end = (u32_t)&(sd_node->regs) + sizeof(sd_node->regs);
-
- platform_device_register(&ip7500iap_portf_sd_device);
-}
-
-/******************************************************************************
- * SD/IO Port B (Slot 2) platform data
- */
-static struct resource ip7500iap_portb_sd_resources[] = {
- /*
- * Send IRQ
- */
- [0] = {
- /*
- * The init routine will query the devtree and fill this in
- */
- .flags = IORESOURCE_IRQ,
- },
-
- /*
- * Receive IRQ
- */
- [1] = {
- /*
- * The init routine will query the devtree and fill this in
- */
- .flags = IORESOURCE_IRQ,
- },
-
- /*
- * Memory Mapped Registers
- */
- [2] = {
- /*
- * The init routine will query the devtree and fill this in
- */
- .flags = IORESOURCE_MEM,
- },
-};
-
-static struct ubicom32sd_card ip7500iap_portb_sd_cards[] = {
- [0] = {
- .pin_wp = GPIO_RB_13,
- .wp_polarity = 1,
- .pin_pwr = GPIO_RB_11,
- .pin_cd = GPIO_RB_12,
- },
-};
-
-static struct ubicom32sd_platform_data ip7500iap_portb_sd_platform_data = {
- .ncards = 1,
- .cards = ip7500iap_portb_sd_cards,
-};
-
-static struct platform_device ip7500iap_portb_sd_device = {
- .name = "ubicom32sd",
- .id = 1,
- .resource = ip7500iap_portb_sd_resources,
- .num_resources = ARRAY_SIZE(ip7500iap_portb_sd_resources),
- .dev = {
- .platform_data = &ip7500iap_portb_sd_platform_data,
- },
-
-};
-
-/*
- * ip7500iap_portb_sd_init
- */
-static void ip7500iap_portb_sd_init(void)
-{
- /*
- * Check the device tree for the sd_tio
- */
- struct sd_tio_node *sd_node = (struct sd_tio_node *)devtree_find_node("portb_sd");
- if (!sd_node) {
- printk(KERN_INFO "PortB SDTIO not found\n");
- return;
- }
-
- /*
- * Fill in the resources and platform data from devtree information
- */
- ip7500iap_portb_sd_resources[0].start = sd_node->dn.sendirq;
- ip7500iap_portb_sd_resources[1].start = sd_node->dn.recvirq;
- ip7500iap_portb_sd_resources[2].start = (u32_t)&(sd_node->regs);
- ip7500iap_portb_sd_resources[2].end = (u32_t)&(sd_node->regs) + sizeof(sd_node->regs);
-
- platform_device_register(&ip7500iap_portb_sd_device);
-}
-
-/******************************************************************************
- * Touch controller
- *
- * Connected via I2C bus, interrupt on PA6
- */
-#include <linux/i2c/tsc2007.h>
-
-/*
- * ip7500iap_tsc2007_exit_platform_hw
- */
-static void ip7500iap_tsc2007_exit_platform_hw(void)
-{
- UBICOM32_IO_PORT(RA)->ctl0 &= ~(0x03 << 19);
- gpio_free(GPIO_RA_6);
-}
-
-/*
- * ip7500iap_tsc2007_init_platform_hw
- */
-static int ip7500iap_tsc2007_init_platform_hw(void)
-{
- int res = gpio_request(GPIO_RA_6, "TSC2007_IRQ");
- if (res) {
- return res;
- }
-
- UBICOM32_IO_PORT(RA)->ctl0 &= ~(0x03 << 19);
- UBICOM32_IO_PORT(RA)->ctl0 |= (0x02 << 19);
- return 0;
-}
-
-/*
- * ip7500iap_tsc2007_get_pendown_state
- */
-static int ip7500iap_tsc2007_get_pendown_state(void)
-{
- return !gpio_get_value(GPIO_RA_6);
-}
-
-static struct tsc2007_platform_data ip7500iap_tsc2007_data = {
- .model = 2007,
- .x_plate_ohms = 350,
- .get_pendown_state = ip7500iap_tsc2007_get_pendown_state,
- .init_platform_hw = ip7500iap_tsc2007_init_platform_hw,
- .exit_platform_hw = ip7500iap_tsc2007_exit_platform_hw,
-};
-
-/******************************************************************************
- * i2c devices
- *
- * DO NOT CHANGE THE ORDER HERE unless you know how this works. There
- * are hardcoded indicies which refer to the order of drivers listed here.
- */
-static struct i2c_board_info __initdata ip7500iap_i2c_board_info[] = {
- /*
- * U6, CS4350 DAC, address 0x4B
- */
- {
- .type = "cs4350",
- .addr = 0x4B,
- },
-
- /*
- * U20, S35390A RTC, address 0x30
- */
- {
- .type = "s35390a",
- .addr = 0x30,
- },
-
- /*
- * U9, TSC2007 Touch screen controller, address 0x49, irq RA6
- */
- {
- .type = "tsc2007",
- .addr = 0x49,
- .irq = 46,
- .platform_data = &ip7500iap_tsc2007_data,
- },
-};
-
-/*
- * I2C bus on the board, SDA PE4, SCL PE5
- */
-static struct i2c_gpio_platform_data ip7500iap_i2c_data = {
- .sda_pin = GPIO_RF_14,
- .scl_pin = GPIO_RF_13,
- .sda_is_open_drain = 0,
- .scl_is_open_drain = 0,
- .udelay = 50,
-};
-
-static struct platform_device ip7500iap_i2c_device = {
- .name = "i2c-gpio",
- .id = 0,
- .dev = {
- .platform_data = &ip7500iap_i2c_data,
- },
-};
-
-/******************************************************************************
- * Backlight on the board PD0, hardware PWM
- */
-static struct ubicom32bl_platform_data ip7500iap_backlight_data = {
- .type = UBICOM32BL_TYPE_PWM,
- .pwm_channel = 2,
- .pwm_prescale = 15,
- .pwm_period = 60,
- .default_intensity = 0x80,
-};
-
-static struct platform_device ip7500iap_backlight_device = {
- .name = "ubicom32bl",
- .id = -1,
- .dev = {
- .platform_data = &ip7500iap_backlight_data,
- },
-};
-
-/******************************************************************************
- * Devices on this board
- */
-static struct platform_device *ip7500iap_devices[] __initdata = {
- &ip7500iap_i2c_device,
- &ip7500iap_backlight_device,
-};
-
-/*
- * ip7500iap_power_off
- * Called to turn the power off for this board
- */
-static void ip7500iap_power_off(void)
-{
- gpio_set_value(GPIO_RF_11, 0);
-}
-
-/*
- * ip7500iap_init
- * Called to add the devices which we have on this board
- */
-static int __init ip7500iap_init(void)
-{
- struct platform_device *audio_dev;
- struct platform_device *audio_dev2;
- int ret;
-
- board_init();
-
- ubi_gpio_init();
-
- /*
- * Hold the POWER_HOLD line
- */
- ret = gpio_request(GPIO_RF_11, "POWER_HOLD");
- if (ret) {
- printk(KERN_ERR "%s: could not request POWER_HOLD GPIO\n", __FUNCTION__);
- }
- gpio_direction_output(GPIO_RF_11, 1);
- mach_power_off = ip7500iap_power_off;
-
- /*
- * DAC nRESET line
- */
- ret = gpio_request(GPIO_RE_7, "DAC_nRESET");
- if (ret) {
- printk(KERN_ERR "%s: could not request DAC_nRESET GPIO\n", __FUNCTION__);
- }
- gpio_direction_output(GPIO_RE_7, 0);
- udelay(1);
- gpio_set_value(GPIO_RE_7, 1);
-
- /*
- * Bring up any SDIO slots
- */
- ip7500iap_portb_sd_init();
- ip7500iap_portf_sd_init();
-
- /*
- * Bring up audio devices
- */
- platform_add_devices(ip7500iap_devices, ARRAY_SIZE(ip7500iap_devices));
-
- audio_dev = audio_device_alloc("snd-ubi32-cs4350", "audio", "audio-i2sout", 0);
- if (audio_dev) {
- ip7500iap_i2c_board_info[0].platform_data = audio_dev;
- }
-
- audio_dev2 = audio_device_alloc("snd-ubi32-generic", "audio", "audio-spdifout", 0);
- if (audio_dev2) {
- platform_device_register(audio_dev2);
- }
-
- printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__);
- i2c_register_board_info(0, ip7500iap_i2c_board_info, ARRAY_SIZE(ip7500iap_i2c_board_info));
-
- printk(KERN_INFO "IP7500 Internet Audio Player\n");
-
- return 0;
-}
-
-arch_initcall(ip7500iap_init);
projects / openwrt / svn-archive / archive.git / blobdiff