[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>

4 files changed, 562 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 21d12246c5e1..6f04f21f998f 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -347,6 +347,9 @@ config ARCH_PXA_PALM
         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 cb408efef618..85c7fb324dbb 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -75,6 +75,7 @@ obj-$(CONFIG_PXA_EZX)           += ezx.o
 obj-$(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 000000000000..0a5e5eadebf5
--- /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 000000000000..77ad6d34ab5b
--- /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