[PATCH 2/5] pxa: Introduce Palm27x

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

This contains common code for Palm LD, TX, T5, Z72

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 |   48 +++
 arch/arm/mach-pxa/palm27x.c              |  473 ++++++++++++++++++++++++++++++
 4 files changed, 525 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-pxa/include/mach/palm27x.h

diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 2ff0b32..f3eaade 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 3f72218..20c80e8 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..94ae6d9
--- /dev/null
+++ b/arch/arm/mach-pxa/include/mach/palm27x.h
@@ -0,0 +1,48 @@
+/*
+ * 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.
+ *
+ */
+
+struct palm27x_handheld {
+	/* SD/MMC */
+	int		mmc_detect;
+	int		mmc_ro;
+	int		mmc_power;
+
+	/* PM */
+	unsigned long	pm_str_base;
+
+	/* UDC */
+	int		udc_detect;
+	int		udc_pullup;
+
+	/* IrDA */
+	int		irda_pwdn;
+
+	/* Battery */
+	int		batt_minv;
+	int		batt_maxv;
+
+	/* Audio */
+	int		jack_gpio;
+
+	/* Backlight */
+	int		bl_bl;
+	int		bl_lcd;
+
+	/* Power supply */
+	int		power_ac;
+	int		power_usb;
+
+	/* LCD */
+	int		lcd_power;
+};
+
+extern void __init palm27x_common_init(struct palm27x_handheld *);
diff --git a/arch/arm/mach-pxa/palm27x.c b/arch/arm/mach-pxa/palm27x.c
index e69de29..6d7b978 100644
--- a/arch/arm/mach-pxa/palm27x.c
+++ b/arch/arm/mach-pxa/palm27x.c
@@ -0,0 +1,473 @@
+/*
+ * 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 <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 "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,
+};
+
+static void __init palm27x_mmc_init(int detect, int ro, int power)
+{
+	palm27x_mci_platform_data.gpio_card_detect	= detect;
+	palm27x_mci_platform_data.gpio_card_ro		= ro;
+	palm27x_mci_platform_data.gpio_power		= power;
+
+	if (machine_is_palmz72() || machine_is_centro())
+		palm27x_mci_platform_data.gpio_power_invert = 1;
+
+	pxa_set_mci_info(&palm27x_mci_platform_data);
+}
+#else
+static inline void palm27x_mmc_init(int detect, int ro, int power) {}
+#endif
+
+/******************************************************************************
+ * Power management - standby
+ ******************************************************************************/
+#if defined(CONFIG_SUSPEND)
+static 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!
+	 */
+	if (!machine_is_palmz72())
+		memcpy(phys_to_virt(str_base), resume, sizeof(resume));
+}
+#else
+static inline void palm27x_pm_init(unsigned long str_base) {}
+#endif
+
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+/*
+ * NOTE: PalmZ72 has so called HiRes screen -- 320x320
+ *       The rest of devices has HiRes+ screen -- 320x480
+ */
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
+static struct pxafb_mode_info palm27x_modes[] = {
+	{
+		.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,
+	}, {
+		.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,
+	}, {
+		.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);
+}
+
+static void __init palm27x_lcd_init(int power)
+{
+	if (machine_is_palmz72())
+		palm27x_lcd_screen.modes = &palm27x_modes[0];
+	else
+		palm27x_lcd_screen.modes = &palm27x_modes[1];
+
+	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);
+}
+
+#else
+static inline void palm27x_lcd_init(int power) {}
+#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,
+	},
+};
+
+static void __init palm27x_udc_init(int vbus, int pullup)
+{
+	if (machine_is_palmld())
+		return;
+
+	palm27x_udc_info.gpio_vbus	= vbus;
+	palm27x_udc_info.gpio_pullup	= pullup;
+
+	if (machine_is_palmz72())
+		palm27x_udc_info.gpio_vbus_inverted = 0;
+
+	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);
+}
+#else
+static inline void palm27x_udc_init(int vbus, int pullup) {}
+#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,
+};
+
+static void __init palm27x_irda_init(int pwdn)
+{
+	palm27x_ficp_platform_data.gpio_pwdown = pwdn;
+	pxa_set_ficp_info(&palm27x_ficp_platform_data);
+}
+#else
+static inline void palm27x_irda_init(int pwdn) {}
+#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,
+	},
+};
+
+static void __init palm27x_ac97_init(int minv, int maxv, int jack)
+{
+	if (!machine_is_palmz72())
+		palm27x_ac97_pdata.reset_gpio = 95;
+	else
+		palm27x_asoc_pdata.jack_gpio = jack;
+
+	if (machine_is_treo680() || machine_is_centro()) {
+		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);
+	}
+}
+#else
+static inline void palm27x_ac97_init(int minv, int maxv, int jack) {}
+#endif
+
+/******************************************************************************
+ * Backlight
+ ******************************************************************************/
+#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
+struct {
+	int	bl_power;
+	int	lcd_power;
+} palm27x_bl_info;
+
+static int palm27x_backlight_init(struct device *dev)
+{
+	int ret;
+
+	ret = gpio_request(palm27x_bl_info.bl_power, "BL POWER");
+	if (ret)
+		goto err;
+	ret = gpio_direction_output(palm27x_bl_info.bl_power, 0);
+	if (ret)
+		goto err2;
+
+	if (gpio_is_valid(palm27x_bl_info.lcd_power)) {
+		ret = gpio_request(palm27x_bl_info.lcd_power, "LCD POWER");
+		if (ret)
+			goto err2;
+		ret = gpio_direction_output(palm27x_bl_info.lcd_power, 0);
+		if (ret)
+			goto err3;
+	}
+
+	return 0;
+err3:
+	gpio_free(palm27x_bl_info.lcd_power);
+err2:
+	gpio_free(palm27x_bl_info.bl_power);
+err:
+	return ret;
+}
+
+static int palm27x_backlight_notify(struct device *dev, int brightness)
+{
+	gpio_set_value(palm27x_bl_info.bl_power, brightness);
+	if (gpio_is_valid(palm27x_bl_info.lcd_power))
+		gpio_set_value(palm27x_bl_info.lcd_power, brightness);
+	return brightness;
+}
+
+static void palm27x_backlight_exit(struct device *dev)
+{
+	gpio_free(palm27x_bl_info.bl_power);
+	if (gpio_is_valid(palm27x_bl_info.lcd_power))
+		gpio_free(palm27x_bl_info.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,
+	},
+};
+
+static void __init palm27x_pwm_init(int bl, int lcd)
+{
+	palm27x_bl_info.bl_power	= bl;
+	palm27x_bl_info.lcd_power	= lcd;
+	platform_device_register(&palm27x_backlight);
+}
+#else
+static inline void palm27x_pwm_init(int bl, int lcd) {}
+#endif
+
+/******************************************************************************
+ * Power supply
+ ******************************************************************************/
+#if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
+struct {
+	int	ac_state;
+	int	usb_state;
+} palm27x_power_info;
+
+static int palm27x_power_supply_init(struct device *dev)
+{
+	int ret;
+
+	ret = gpio_request(palm27x_power_info.ac_state, "AC state");
+	if (ret)
+		goto err1;
+	ret = gpio_direction_input(palm27x_power_info.ac_state);
+	if (ret)
+		goto err2;
+
+	if (gpio_is_valid(palm27x_power_info.usb_state)) {
+		ret = gpio_request(palm27x_power_info.usb_state, "USB state");
+		if (ret)
+			goto err2;
+		ret = gpio_direction_input(palm27x_power_info.usb_state);
+		if (ret)
+			goto err3;
+	}
+
+	return 0;
+err3:
+	gpio_free(palm27x_power_info.usb_state);
+err2:
+	gpio_free(palm27x_power_info.ac_state);
+err1:
+	return ret;
+}
+
+static void palm27x_power_supply_exit(struct device *dev)
+{
+	gpio_free(palm27x_power_info.usb_state);
+	gpio_free(palm27x_power_info.ac_state);
+}
+
+static int palm27x_is_ac_online(void)
+{
+	return gpio_get_value(palm27x_power_info.ac_state);
+}
+
+static int palm27x_is_usb_online(void)
+{
+	return !gpio_get_value(palm27x_power_info.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,
+	},
+};
+
+static void __init palm27x_power_init(int ac, int usb)
+{
+	palm27x_power_info.ac_state	= ac;
+	palm27x_power_info.usb_state	= usb;
+	platform_device_register(&palm27x_power_supply);
+}
+#else
+static inline void palm27x_power_init(int ac, int usb) {}
+#endif
+
+void __init palm27x_common_init(struct palm27x_handheld *palm)
+{
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
+	palm27x_mmc_init(palm->mmc_detect, palm->mmc_ro, palm->mmc_power);
+	palm27x_pm_init(palm->pm_str_base);
+	palm27x_lcd_init(palm->lcd_power);
+	palm27x_udc_init(palm->udc_detect, palm->udc_pullup);
+	palm27x_irda_init(palm->irda_pwdn);
+	palm27x_ac97_init(palm->batt_minv, palm->batt_maxv, palm->jack_gpio);
+	palm27x_pwm_init(palm->bl_bl, palm->bl_lcd);
+	palm27x_power_init(palm->power_ac, palm->power_usb);
+}
-- 
1.7.1