[ARM] pxa/palm: Introduce Palm27x
This contains common code for Palm LD, TX, T5, Z72, Treo680, Centro
This code also adds PMIC support for all the devices,
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 21d1224..6f04f21 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -347,6 +347,9 @@
bool "PXA based Palm PDAs"
select HAVE_PWM
+config MACH_PALM27X
+ bool
+
config MACH_PALMTE2
bool "Palm Tungsten|E2"
default y
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index cb408ef..85c7fb3 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -75,6 +75,7 @@
obj-$(CONFIG_MACH_MP900C) += mp900.o
obj-$(CONFIG_MACH_PALMTE2) += palmte2.o
obj-$(CONFIG_MACH_PALMTC) += palmtc.o
+obj-$(CONFIG_MACH_PALM27X) += palm27x.o
obj-$(CONFIG_MACH_PALMT5) += palmt5.o
obj-$(CONFIG_MACH_PALMTX) += palmtx.o
obj-$(CONFIG_MACH_PALMZ72) += palmz72.o
diff --git a/arch/arm/mach-pxa/include/mach/palm27x.h b/arch/arm/mach-pxa/include/mach/palm27x.h
new file mode 100644
index 0000000..0a5e5ea
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/palm27x.h
@@ -0,0 +1,81 @@
+/*
+ * Common functions for Palm LD, T5, TX, Z72
+ *
+ * Copyright (C) 2010
+ * Marek Vasut <marek.vasut@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#ifndef __INCLUDE_MACH_PALM27X__
+#define __INCLUDE_MACH_PALM27X__
+
+#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
+extern void __init palm27x_mmc_init(int detect, int ro, int power,
+ int power_inverted);
+#else
+static inline void palm27x_mmc_init(int detect, int ro, int power,
+ int power_inverted)
+{}
+#endif
+
+#if defined(CONFIG_SUSPEND)
+extern void __init palm27x_pm_init(unsigned long str_base);
+#else
+static inline void palm27x_pm_init(unsigned long str_base) {}
+#endif
+
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+extern struct pxafb_mode_info palm_320x480_lcd_mode;
+extern struct pxafb_mode_info palm_320x320_lcd_mode;
+extern struct pxafb_mode_info palm_320x320_new_lcd_mode;
+extern void __init palm27x_lcd_init(int power,
+ struct pxafb_mode_info *mode);
+#else
+static inline void palm27x_lcd_init(int power, struct pxafb_mode_info *mode) {}
+#endif
+
+#if defined(CONFIG_USB_GADGET_PXA27X) || \
+ defined(CONFIG_USB_GADGET_PXA27X_MODULE)
+extern void __init palm27x_udc_init(int vbus, int pullup,
+ int vbus_inverted);
+#else
+static inline void palm27x_udc_init(int vbus, int pullup, int vbus_inverted) {}
+#endif
+
+#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
+extern void __init palm27x_irda_init(int pwdn);
+#else
+static inline void palm27x_irda_init(int pwdn) {}
+#endif
+
+#if defined(CONFIG_TOUCHSCREEN_WM97XX) || \
+ defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
+extern void __init palm27x_ac97_init(int minv, int maxv, int jack,
+ int reset);
+#else
+static inline void palm27x_ac97_init(int minv, int maxv, int jack, int reset) {}
+#endif
+
+#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
+extern void __init palm27x_pwm_init(int bl, int lcd);
+#else
+static inline void palm27x_pwm_init(int bl, int lcd) {}
+#endif
+
+#if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
+extern void __init palm27x_power_init(int ac, int usb);
+#else
+static inline void palm27x_power_init(int ac, int usb) {}
+#endif
+
+#if defined(CONFIG_REGULATOR_MAX1586) || \
+ defined(CONFIG_REGULATOR_MAX1586_MODULE)
+extern void __init palm27x_pmic_init(void);
+#else
+static inline void palm27x_pmic_init(void) {}
+#endif
+
+#endif /* __INCLUDE_MACH_PALM27X__ */
diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c
new file mode 100644
index 0000000..77ad6d3
--- /dev/null
+++ b/arch/arm/mach-pxa/palm27x.c
@@ -0,0 +1,477 @@
+/*
+ * Common code for Palm LD, T5, TX, Z72
+ *
+ * Copyright (C) 2010
+ * Marek Vasut <marek.vasut@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/pda_power.h>
+#include <linux/pwm_backlight.h>
+#include <linux/gpio.h>
+#include <linux/wm97xx.h>
+#include <linux/power_supply.h>
+#include <linux/usb/gpio_vbus.h>
+#include <linux/regulator/max1586.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/pxa27x.h>
+#include <mach/audio.h>
+#include <mach/mmc.h>
+#include <mach/pxafb.h>
+#include <mach/irda.h>
+#include <mach/udc.h>
+#include <mach/palmasoc.h>
+#include <mach/palm27x.h>
+
+#include <plat/i2c.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
+static struct pxamci_platform_data palm27x_mci_platform_data = {
+ .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .detect_delay_ms = 200,
+};
+
+void __init palm27x_mmc_init(int detect, int ro, int power,
+ int power_inverted)
+{
+ palm27x_mci_platform_data.gpio_card_detect = detect;
+ palm27x_mci_platform_data.gpio_card_ro = ro;
+ palm27x_mci_platform_data.gpio_power = power;
+ palm27x_mci_platform_data.gpio_power_invert = power_inverted;
+
+ pxa_set_mci_info(&palm27x_mci_platform_data);
+}
+#endif
+
+/******************************************************************************
+ * Power management - standby
+ ******************************************************************************/
+#if defined(CONFIG_SUSPEND)
+void __init palm27x_pm_init(unsigned long str_base)
+{
+ static const unsigned long resume[] = {
+ 0xe3a00101, /* mov r0, #0x40000000 */
+ 0xe380060f, /* orr r0, r0, #0x00f00000 */
+ 0xe590f008, /* ldr pc, [r0, #0x08] */
+ };
+
+ /*
+ * Copy the bootloader.
+ * NOTE: PalmZ72 uses a different wakeup method!
+ */
+ memcpy(phys_to_virt(str_base), resume, sizeof(resume));
+}
+#endif
+
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+struct pxafb_mode_info palm_320x480_lcd_mode = {
+ .pixclock = 57692,
+ .xres = 320,
+ .yres = 480,
+ .bpp = 16,
+
+ .left_margin = 32,
+ .right_margin = 1,
+ .upper_margin = 7,
+ .lower_margin = 1,
+
+ .hsync_len = 4,
+ .vsync_len = 1,
+};
+
+struct pxafb_mode_info palm_320x320_lcd_mode = {
+ .pixclock = 115384,
+ .xres = 320,
+ .yres = 320,
+ .bpp = 16,
+
+ .left_margin = 27,
+ .right_margin = 7,
+ .upper_margin = 7,
+ .lower_margin = 8,
+
+ .hsync_len = 6,
+ .vsync_len = 1,
+};
+
+struct pxafb_mode_info palm_320x320_new_lcd_mode = {
+ .pixclock = 86538,
+ .xres = 320,
+ .yres = 320,
+ .bpp = 16,
+
+ .left_margin = 20,
+ .right_margin = 8,
+ .upper_margin = 8,
+ .lower_margin = 5,
+
+ .hsync_len = 4,
+ .vsync_len = 1,
+};
+
+static struct pxafb_mach_info palm27x_lcd_screen = {
+ .num_modes = 1,
+ .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
+};
+
+static int palm27x_lcd_power;
+static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
+{
+ gpio_set_value(palm27x_lcd_power, on);
+}
+
+void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
+{
+ palm27x_lcd_screen.modes = mode;
+
+ if (gpio_is_valid(power)) {
+ if (!gpio_request(power, "LCD power")) {
+ pr_err("Palm27x: failed to claim lcd power gpio!\n");
+ return;
+ }
+ if (!gpio_direction_output(power, 1)) {
+ pr_err("Palm27x: lcd power configuration failed!\n");
+ return;
+ }
+ palm27x_lcd_power = power;
+ palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl;
+ }
+
+ set_pxa_fb_info(&palm27x_lcd_screen);
+}
+#endif
+
+/******************************************************************************
+ * USB Gadget
+ ******************************************************************************/
+#if defined(CONFIG_USB_GADGET_PXA27X) || \
+ defined(CONFIG_USB_GADGET_PXA27X_MODULE)
+static struct gpio_vbus_mach_info palm27x_udc_info = {
+ .gpio_vbus_inverted = 1,
+};
+
+static struct platform_device palm27x_gpio_vbus = {
+ .name = "gpio-vbus",
+ .id = -1,
+ .dev = {
+ .platform_data = &palm27x_udc_info,
+ },
+};
+
+void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted)
+{
+ palm27x_udc_info.gpio_vbus = vbus;
+ palm27x_udc_info.gpio_pullup = pullup;
+
+ palm27x_udc_info.gpio_vbus_inverted = vbus_inverted;
+
+ if (!gpio_request(pullup, "USB Pullup")) {
+ gpio_direction_output(pullup,
+ palm27x_udc_info.gpio_vbus_inverted);
+ gpio_free(pullup);
+ } else
+ return;
+
+ platform_device_register(&palm27x_gpio_vbus);
+}
+#endif
+
+/******************************************************************************
+ * IrDA
+ ******************************************************************************/
+#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
+static struct pxaficp_platform_data palm27x_ficp_platform_data = {
+ .transceiver_cap = IR_SIRMODE | IR_OFF,
+};
+
+void __init palm27x_irda_init(int pwdn)
+{
+ palm27x_ficp_platform_data.gpio_pwdown = pwdn;
+ pxa_set_ficp_info(&palm27x_ficp_platform_data);
+}
+#endif
+
+/******************************************************************************
+ * WM97xx audio, battery
+ ******************************************************************************/
+#if defined(CONFIG_TOUCHSCREEN_WM97XX) || \
+ defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
+static struct wm97xx_batt_pdata palm27x_batt_pdata = {
+ .batt_aux = WM97XX_AUX_ID3,
+ .temp_aux = WM97XX_AUX_ID2,
+ .charge_gpio = -1,
+ .batt_mult = 1000,
+ .batt_div = 414,
+ .temp_mult = 1,
+ .temp_div = 1,
+ .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
+ .batt_name = "main-batt",
+};
+
+static struct wm97xx_pdata palm27x_wm97xx_pdata = {
+ .batt_pdata = &palm27x_batt_pdata,
+};
+
+static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
+ .codec_pdata = { &palm27x_wm97xx_pdata, },
+};
+
+static struct palm27x_asoc_info palm27x_asoc_pdata = {
+ .jack_gpio = -1,
+};
+
+static struct platform_device palm27x_asoc = {
+ .name = "palm27x-asoc",
+ .id = -1,
+ .dev = {
+ .platform_data = &palm27x_asoc_pdata,
+ },
+};
+
+void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset)
+{
+ palm27x_ac97_pdata.reset_gpio = reset;
+ palm27x_asoc_pdata.jack_gpio = jack;
+
+ if (minv < 0 || maxv < 0) {
+ palm27x_ac97_pdata.codec_pdata[0] = NULL;
+ pxa_set_ac97_info(&palm27x_ac97_pdata);
+ } else {
+ palm27x_batt_pdata.min_voltage = minv,
+ palm27x_batt_pdata.max_voltage = maxv,
+
+ pxa_set_ac97_info(&palm27x_ac97_pdata);
+ platform_device_register(&palm27x_asoc);
+ }
+}
+#endif
+
+/******************************************************************************
+ * Backlight
+ ******************************************************************************/
+#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
+static int palm_bl_power;
+static int palm_lcd_power;
+
+static int palm27x_backlight_init(struct device *dev)
+{
+ int ret;
+
+ ret = gpio_request(palm_bl_power, "BL POWER");
+ if (ret)
+ goto err;
+ ret = gpio_direction_output(palm_bl_power, 0);
+ if (ret)
+ goto err2;
+
+ if (gpio_is_valid(palm_lcd_power)) {
+ ret = gpio_request(palm_lcd_power, "LCD POWER");
+ if (ret)
+ goto err2;
+ ret = gpio_direction_output(palm_lcd_power, 0);
+ if (ret)
+ goto err3;
+ }
+
+ return 0;
+err3:
+ gpio_free(palm_lcd_power);
+err2:
+ gpio_free(palm_bl_power);
+err:
+ return ret;
+}
+
+static int palm27x_backlight_notify(struct device *dev, int brightness)
+{
+ gpio_set_value(palm_bl_power, brightness);
+ if (gpio_is_valid(palm_lcd_power))
+ gpio_set_value(palm_lcd_power, brightness);
+ return brightness;
+}
+
+static void palm27x_backlight_exit(struct device *dev)
+{
+ gpio_free(palm_bl_power);
+ if (gpio_is_valid(palm_lcd_power))
+ gpio_free(palm_lcd_power);
+}
+
+static struct platform_pwm_backlight_data palm27x_backlight_data = {
+ .pwm_id = 0,
+ .max_brightness = 0xfe,
+ .dft_brightness = 0x7e,
+ .pwm_period_ns = 3500,
+ .init = palm27x_backlight_init,
+ .notify = palm27x_backlight_notify,
+ .exit = palm27x_backlight_exit,
+};
+
+static struct platform_device palm27x_backlight = {
+ .name = "pwm-backlight",
+ .dev = {
+ .parent = &pxa27x_device_pwm0.dev,
+ .platform_data = &palm27x_backlight_data,
+ },
+};
+
+void __init palm27x_pwm_init(int bl, int lcd)
+{
+ palm_bl_power = bl;
+ palm_lcd_power = lcd;
+ platform_device_register(&palm27x_backlight);
+}
+#endif
+
+/******************************************************************************
+ * Power supply
+ ******************************************************************************/
+#if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
+static int palm_ac_state;
+static int palm_usb_state;
+
+static int palm27x_power_supply_init(struct device *dev)
+{
+ int ret;
+
+ ret = gpio_request(palm_ac_state, "AC state");
+ if (ret)
+ goto err1;
+ ret = gpio_direction_input(palm_ac_state);
+ if (ret)
+ goto err2;
+
+ if (gpio_is_valid(palm_usb_state)) {
+ ret = gpio_request(palm_usb_state, "USB state");
+ if (ret)
+ goto err2;
+ ret = gpio_direction_input(palm_usb_state);
+ if (ret)
+ goto err3;
+ }
+
+ return 0;
+err3:
+ gpio_free(palm_usb_state);
+err2:
+ gpio_free(palm_ac_state);
+err1:
+ return ret;
+}
+
+static void palm27x_power_supply_exit(struct device *dev)
+{
+ gpio_free(palm_usb_state);
+ gpio_free(palm_ac_state);
+}
+
+static int palm27x_is_ac_online(void)
+{
+ return gpio_get_value(palm_ac_state);
+}
+
+static int palm27x_is_usb_online(void)
+{
+ return !gpio_get_value(palm_usb_state);
+}
+static char *palm27x_supplicants[] = {
+ "main-battery",
+};
+
+static struct pda_power_pdata palm27x_ps_info = {
+ .init = palm27x_power_supply_init,
+ .exit = palm27x_power_supply_exit,
+ .is_ac_online = palm27x_is_ac_online,
+ .is_usb_online = palm27x_is_usb_online,
+ .supplied_to = palm27x_supplicants,
+ .num_supplicants = ARRAY_SIZE(palm27x_supplicants),
+};
+
+static struct platform_device palm27x_power_supply = {
+ .name = "pda-power",
+ .id = -1,
+ .dev = {
+ .platform_data = &palm27x_ps_info,
+ },
+};
+
+void __init palm27x_power_init(int ac, int usb)
+{
+ palm_ac_state = ac;
+ palm_usb_state = usb;
+ platform_device_register(&palm27x_power_supply);
+}
+#endif
+
+/******************************************************************************
+ * Core power regulator
+ ******************************************************************************/
+#if defined(CONFIG_REGULATOR_MAX1586) || \
+ defined(CONFIG_REGULATOR_MAX1586_MODULE)
+static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
+ {
+ .supply = "vcc_core",
+ }
+};
+
+static struct regulator_init_data palm27x_max1587a_v3_info = {
+ .constraints = {
+ .name = "vcc_core range",
+ .min_uV = 900000,
+ .max_uV = 1705000,
+ .always_on = 1,
+ .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
+ },
+ .consumer_supplies = palm27x_max1587a_consumers,
+ .num_consumer_supplies = ARRAY_SIZE(palm27x_max1587a_consumers),
+};
+
+static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
+ {
+ .name = "vcc_core",
+ .id = MAX1586_V3,
+ .platform_data = &palm27x_max1587a_v3_info,
+ }
+};
+
+static struct max1586_platform_data palm27x_max1587a_info = {
+ .subdevs = palm27x_max1587a_subdevs,
+ .num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs),
+ .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
+};
+
+static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
+ {
+ I2C_BOARD_INFO("max1586", 0x14),
+ .platform_data = &palm27x_max1587a_info,
+ },
+};
+
+void __init palm27x_pmic_init(void)
+{
+ i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
+ pxa27x_set_i2c_power_info(NULL);
+}
+#endif