[PATCH v2 2/5] pxa: Introduce Palm27x
Marek Vasut
marek.vasut at gmail.com
Tue Jul 13 03:51:05 EDT 2010
This contains common code for Palm LD, TX, T5, Z72
Signed-off-by: Marek Vasut <marek.vasut at 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 | 475 ++++++++++++++++++++++++++++++
4 files changed, 527 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 at 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..ff5ee8c 100644
--- a/arch/arm/mach-pxa/palm27x.c
+++ b/arch/arm/mach-pxa/palm27x.c
@@ -0,0 +1,475 @@
+/*
+ * Common code for Palm LD, T5, TX, Z72
+ *
+ * Copyright (C) 2010
+ * Marek Vasut <marek.vasut at 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[1];
+ else if (machine_is_treo680() || machine_is_centro())
+ palm27x_lcd_screen.modes = &palm27x_modes[2];
+ else
+ palm27x_lcd_screen.modes = &palm27x_modes[0];
+
+ 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
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