[PATCH 01/11] [ARM] pxa/palm: Introduce Palm27x

[marek.vasut@gmail.com (Marek Vasut)]

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>
---
 arch/arm/mach-pxa/Kconfig                |    3 +
 arch/arm/mach-pxa/Makefile               |    1 +
 arch/arm/mach-pxa/include/mach/palm27x.h |   81 +++++
 arch/arm/mach-pxa/palm27x.c              |  477 ++++++++++++++++++++++++++++++
 4 files changed, 562 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-pxa/include/mach/palm27x.h
 create mode 100644 arch/arm/mach-pxa/palm27x.c

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 @@ 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 cb408ef..85c7fb3 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 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
-- 
1.7.1