* [PATCH 1/6] [ARM] pxa/balloon3: Machine file cleanup
@ 2010-07-30 6:34 Marek Vasut
2010-07-30 6:34 ` [PATCH 2/6] " Marek Vasut
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: Marek Vasut @ 2010-07-30 6:34 UTC (permalink / raw)
To: linux-arm-kernel
Logically separate parts of the file that are handled by one particular driver.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
---
arch/arm/mach-pxa/balloon3.c | 225 +++++++++++++++++++++++------------------
1 files changed, 126 insertions(+), 99 deletions(-)
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index f3b5ace..8adb87a 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -51,87 +51,27 @@
#include "generic.h"
#include "devices.h"
-static unsigned long balloon3_irq_enabled;
-
-static unsigned long balloon3_features_present =
- (1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) |
- (1 << BALLOON3_FEATURE_AUDIO) |
- (1 << BALLOON3_FEATURE_TOPPOLY);
-
-int balloon3_has(enum balloon3_features feature)
-{
- return (balloon3_features_present & (1 << feature)) ? 1 : 0;
-}
-EXPORT_SYMBOL_GPL(balloon3_has);
-
-int __init parse_balloon3_features(char *arg)
-{
- if (!arg)
- return 0;
-
- return strict_strtoul(arg, 0, &balloon3_features_present);
-}
-early_param("balloon3_features", parse_balloon3_features);
-
-static void balloon3_mask_irq(unsigned int irq)
-{
- int balloon3_irq = (irq - BALLOON3_IRQ(0));
- balloon3_irq_enabled &= ~(1 << balloon3_irq);
- __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
-}
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static unsigned long balloon3_pin_config[] __initdata = {
+ /* Select BTUART 'COM1/ttyS0' as IO option for pins 42/43/44/45 */
+ GPIO42_BTUART_RXD,
+ GPIO43_BTUART_TXD,
+ GPIO44_BTUART_CTS,
+ GPIO45_BTUART_RTS,
-static void balloon3_unmask_irq(unsigned int irq)
-{
- int balloon3_irq = (irq - BALLOON3_IRQ(0));
- balloon3_irq_enabled |= (1 << balloon3_irq);
- __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
-}
+ /* Wakeup GPIO */
+ GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
-static struct irq_chip balloon3_irq_chip = {
- .name = "FPGA",
- .ack = balloon3_mask_irq,
- .mask = balloon3_mask_irq,
- .unmask = balloon3_unmask_irq,
+ /* NAND & IDLE LED GPIOs */
+ GPIO9_GPIO,
+ GPIO10_GPIO,
};
-static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc)
-{
- unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
- balloon3_irq_enabled;
-
- do {
- /* clear useless edge notification */
- if (desc->chip->ack)
- desc->chip->ack(BALLOON3_AUX_NIRQ);
- while (pending) {
- irq = BALLOON3_IRQ(0) + __ffs(pending);
- generic_handle_irq(irq);
- pending &= pending - 1;
- }
- pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
- balloon3_irq_enabled;
- } while (pending);
-}
-
-static void __init balloon3_init_irq(void)
-{
- int irq;
-
- pxa27x_init_irq();
- /* setup extra Balloon3 irqs */
- for (irq = BALLOON3_IRQ(0); irq <= BALLOON3_IRQ(7); irq++) {
- set_irq_chip(irq, &balloon3_irq_chip);
- set_irq_handler(irq, handle_level_irq);
- set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
- }
-
- set_irq_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler);
- set_irq_type(BALLOON3_AUX_NIRQ, IRQ_TYPE_EDGE_FALLING);
-
- pr_debug("%s: chained handler installed - irq %d automatically "
- "enabled\n", __func__, BALLOON3_AUX_NIRQ);
-}
-
+/******************************************************************************
+ * Audio and Touchscreen
+ ******************************************************************************/
static unsigned long balloon3_ac97_pin_config[] = {
GPIO28_AC97_BITCLK,
GPIO29_AC97_SDATA_IN_0,
@@ -140,19 +80,16 @@ static unsigned long balloon3_ac97_pin_config[] = {
GPIO113_AC97_nRESET,
};
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+
static void balloon3_backlight_power(int on)
{
pr_debug("%s: power is %s\n", __func__, on ? "on" : "off");
gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on);
}
-static unsigned long balloon3_lcd_pin_config[] = {
- /* LCD - 16bpp Active TFT */
- GPIOxx_LCD_TFT_16BPP,
-
- GPIO99_GPIO, /* Backlight */
-};
-
static struct pxafb_mode_info balloon3_lcd_modes[] = {
{
.pixclock = 38000,
@@ -176,6 +113,9 @@ static struct pxafb_mach_info balloon3_pxafb_info = {
.pxafb_backlight_power = balloon3_backlight_power,
};
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
static unsigned long balloon3_mmc_pin_config[] = {
GPIO32_MMC_CLK,
GPIO92_MMC_DAT_0,
@@ -203,6 +143,9 @@ static struct pxamci_platform_data balloon3_mci_platform_data = {
.setpower = balloon3_mci_setpower,
};
+/******************************************************************************
+ * USB Gadget
+ ******************************************************************************/
static int balloon3_udc_is_connected(void)
{
pr_debug("%s: udc connected\n", __func__);
@@ -228,10 +171,16 @@ static struct pxa2xx_udc_mach_info balloon3_udc_info = {
.udc_command = balloon3_udc_command,
};
+/******************************************************************************
+ * IrDA
+ ******************************************************************************/
static struct pxaficp_platform_data balloon3_ficp_platform_data = {
.transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
};
+/******************************************************************************
+ * USB Host
+ ******************************************************************************/
static unsigned long balloon3_ohci_pin_config[] = {
GPIO88_USBH1_PWR,
GPIO89_USBH1_PEN,
@@ -242,21 +191,9 @@ static struct pxaohci_platform_data balloon3_ohci_platform_data = {
.flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
};
-static unsigned long balloon3_pin_config[] __initdata = {
- /* Select BTUART 'COM1/ttyS0' as IO option for pins 42/43/44/45 */
- GPIO42_BTUART_RXD,
- GPIO43_BTUART_TXD,
- GPIO44_BTUART_CTS,
- GPIO45_BTUART_RTS,
-
- /* Wakeup GPIO */
- GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
-
- /* NAND & IDLE LED GPIOs */
- GPIO9_GPIO,
- GPIO10_GPIO,
-};
-
+/******************************************************************************
+ * LED
+ ******************************************************************************/
static struct gpio_led balloon3_gpio_leds[] = {
{
.name = "balloon3:green:idle",
@@ -285,6 +222,96 @@ static struct platform_device balloon3led_device = {
},
};
+/******************************************************************************
+ * Compatibility: Parameter parsing
+ ******************************************************************************/
+static unsigned long balloon3_irq_enabled;
+
+static unsigned long balloon3_features_present =
+ (1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) |
+ (1 << BALLOON3_FEATURE_AUDIO) |
+ (1 << BALLOON3_FEATURE_TOPPOLY);
+
+int balloon3_has(enum balloon3_features feature)
+{
+ return (balloon3_features_present & (1 << feature)) ? 1 : 0;
+}
+EXPORT_SYMBOL_GPL(balloon3_has);
+
+int __init parse_balloon3_features(char *arg)
+{
+ if (!arg)
+ return 0;
+
+ return strict_strtoul(arg, 0, &balloon3_features_present);
+}
+early_param("balloon3_features", parse_balloon3_features);
+
+/******************************************************************************
+ * FPGA IRQ
+ ******************************************************************************/
+static void balloon3_mask_irq(unsigned int irq)
+{
+ int balloon3_irq = (irq - BALLOON3_IRQ(0));
+ balloon3_irq_enabled &= ~(1 << balloon3_irq);
+ __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
+}
+
+static void balloon3_unmask_irq(unsigned int irq)
+{
+ int balloon3_irq = (irq - BALLOON3_IRQ(0));
+ balloon3_irq_enabled |= (1 << balloon3_irq);
+ __raw_writel(~balloon3_irq_enabled, BALLOON3_INT_CONTROL_REG);
+}
+
+static struct irq_chip balloon3_irq_chip = {
+ .name = "FPGA",
+ .ack = balloon3_mask_irq,
+ .mask = balloon3_mask_irq,
+ .unmask = balloon3_unmask_irq,
+};
+
+static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc)
+{
+ unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
+ balloon3_irq_enabled;
+
+ do {
+ /* clear useless edge notification */
+ if (desc->chip->ack)
+ desc->chip->ack(BALLOON3_AUX_NIRQ);
+ while (pending) {
+ irq = BALLOON3_IRQ(0) + __ffs(pending);
+ generic_handle_irq(irq);
+ pending &= pending - 1;
+ }
+ pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
+ balloon3_irq_enabled;
+ } while (pending);
+}
+
+static void __init balloon3_init_irq(void)
+{
+ int irq;
+
+ pxa27x_init_irq();
+ /* setup extra Balloon3 irqs */
+ for (irq = BALLOON3_IRQ(0); irq <= BALLOON3_IRQ(7); irq++) {
+ set_irq_chip(irq, &balloon3_irq_chip);
+ set_irq_handler(irq, handle_level_irq);
+ set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+ }
+
+ set_irq_chained_handler(BALLOON3_AUX_NIRQ, balloon3_irq_handler);
+ set_irq_type(BALLOON3_AUX_NIRQ, IRQ_TYPE_EDGE_FALLING);
+
+ pr_debug("%s: chained handler installed - irq %d automatically "
+ "enabled\n", __func__, BALLOON3_AUX_NIRQ);
+}
+
+/******************************************************************************
+ * Machine init
+ ******************************************************************************/
static void __init balloon3_init(void)
{
pr_info("Initialising Balloon3\n");
--
1.7.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 2/6] [ARM] pxa/balloon3: Machine file cleanup
2010-07-30 6:34 [PATCH 1/6] [ARM] pxa/balloon3: Machine file cleanup Marek Vasut
@ 2010-07-30 6:34 ` Marek Vasut
2010-07-30 6:34 ` [PATCH 3/6] [ARM] pxa/balloon3: PCMCIA Support Marek Vasut
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Marek Vasut @ 2010-07-30 6:34 UTC (permalink / raw)
To: linux-arm-kernel
Modularize components of the Balloon3 board.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
---
arch/arm/mach-pxa/balloon3.c | 354 +++++++++++++++++++++++++++---------------
1 files changed, 231 insertions(+), 123 deletions(-)
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index 8adb87a..572525c 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -22,6 +22,7 @@
#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/ioport.h>
+#include <linux/ucb1400.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/types.h>
@@ -61,35 +62,136 @@ static unsigned long balloon3_pin_config[] __initdata = {
GPIO44_BTUART_CTS,
GPIO45_BTUART_RTS,
- /* Wakeup GPIO */
+ /* Reset, configured as GPIO wakeup source */
GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH,
- /* NAND & IDLE LED GPIOs */
- GPIO9_GPIO,
- GPIO10_GPIO,
-};
+ /* LEDs */
+ GPIO9_GPIO, /* NAND activity LED */
+ GPIO10_GPIO, /* Heartbeat LED */
-/******************************************************************************
- * Audio and Touchscreen
- ******************************************************************************/
-static unsigned long balloon3_ac97_pin_config[] = {
+ /* AC97 */
GPIO28_AC97_BITCLK,
GPIO29_AC97_SDATA_IN_0,
GPIO30_AC97_SDATA_OUT,
GPIO31_AC97_SYNC,
GPIO113_AC97_nRESET,
+ GPIO95_GPIO,
+
+ /* MMC */
+ GPIO32_MMC_CLK,
+ GPIO92_MMC_DAT_0,
+ GPIO109_MMC_DAT_1,
+ GPIO110_MMC_DAT_2,
+ GPIO111_MMC_DAT_3,
+ GPIO112_MMC_CMD,
+
+ /* USB Host */
+ GPIO88_USBH1_PWR,
+ GPIO89_USBH1_PEN,
};
/******************************************************************************
- * Framebuffer
+ * Compatibility: Parameter parsing
******************************************************************************/
+static unsigned long balloon3_irq_enabled;
-static void balloon3_backlight_power(int on)
+static unsigned long balloon3_features_present =
+ (1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) |
+ (1 << BALLOON3_FEATURE_AUDIO) |
+ (1 << BALLOON3_FEATURE_TOPPOLY);
+
+int balloon3_has(enum balloon3_features feature)
{
- pr_debug("%s: power is %s\n", __func__, on ? "on" : "off");
- gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on);
+ return (balloon3_features_present & (1 << feature)) ? 1 : 0;
+}
+EXPORT_SYMBOL_GPL(balloon3_has);
+
+int __init parse_balloon3_features(char *arg)
+{
+ if (!arg)
+ return 0;
+
+ return strict_strtoul(arg, 0, &balloon3_features_present);
}
+early_param("balloon3_features", parse_balloon3_features);
+/******************************************************************************
+ * NOR Flash
+ ******************************************************************************/
+#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
+static struct mtd_partition balloon3_nor_partitions[] = {
+ {
+ .name = "Flash",
+ .offset = 0x00000000,
+ .size = MTDPART_SIZ_FULL,
+ }
+};
+
+static struct physmap_flash_data balloon3_flash_data[] = {
+ {
+ .width = 2, /* bankwidth in bytes */
+ .parts = balloon3_nor_partitions,
+ .nr_parts = ARRAY_SIZE(balloon3_nor_partitions)
+ }
+};
+
+static struct resource balloon3_flash_resource = {
+ .start = PXA_CS0_PHYS,
+ .end = PXA_CS0_PHYS + SZ_64M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device balloon3_flash = {
+ .name = "physmap-flash",
+ .id = 0,
+ .resource = &balloon3_flash_resource,
+ .num_resources = 1,
+ .dev = {
+ .platform_data = balloon3_flash_data,
+ },
+};
+static void __init balloon3_nor_init(void)
+{
+ platform_device_register(&balloon3_flash);
+}
+#else
+static inline void balloon3_nor_init(void) {}
+#endif
+
+/******************************************************************************
+ * Audio and Touchscreen
+ ******************************************************************************/
+#if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
+ defined(CONFIG_TOUCHSCREEN_UCB1400_MODULE)
+static struct ucb1400_pdata vpac270_ucb1400_pdata = {
+ .irq = IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ),
+};
+
+
+static struct platform_device balloon3_ucb1400_device = {
+ .name = "ucb1400_core",
+ .id = -1,
+ .dev = {
+ .platform_data = &vpac270_ucb1400_pdata,
+ },
+};
+
+static void __init balloon3_ts_init(void)
+{
+ if (!balloon3_has(BALLOON3_FEATURE_AUDIO))
+ return;
+
+ pxa_set_ac97_info(NULL);
+ platform_device_register(&balloon3_ucb1400_device);
+}
+#else
+static inline void balloon3_ts_init(void) {}
+#endif
+
+/******************************************************************************
+ * Framebuffer
+ ******************************************************************************/
+#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info balloon3_lcd_modes[] = {
{
.pixclock = 38000,
@@ -106,102 +208,147 @@ static struct pxafb_mode_info balloon3_lcd_modes[] = {
},
};
-static struct pxafb_mach_info balloon3_pxafb_info = {
+static struct pxafb_mach_info balloon3_lcd_screen = {
.modes = balloon3_lcd_modes,
.num_modes = ARRAY_SIZE(balloon3_lcd_modes),
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
- .pxafb_backlight_power = balloon3_backlight_power,
};
-/******************************************************************************
- * SD/MMC card controller
- ******************************************************************************/
-static unsigned long balloon3_mmc_pin_config[] = {
- GPIO32_MMC_CLK,
- GPIO92_MMC_DAT_0,
- GPIO109_MMC_DAT_1,
- GPIO110_MMC_DAT_2,
- GPIO111_MMC_DAT_3,
- GPIO112_MMC_CMD,
-};
+static void balloon3_backlight_power(int on)
+{
+ gpio_set_value(BALLOON3_GPIO_RUN_BACKLIGHT, on);
+}
-static void balloon3_mci_setpower(struct device *dev, unsigned int vdd)
+static void __init balloon3_lcd_init(void)
{
- struct pxamci_platform_data *p_d = dev->platform_data;
-
- if ((1 << vdd) & p_d->ocr_mask) {
- pr_debug("%s: on\n", __func__);
- /* FIXME something to prod here? */
- } else {
- pr_debug("%s: off\n", __func__);
- /* FIXME something to prod here? */
+ int ret;
+
+ if (!balloon3_has(BALLOON3_FEATURE_TOPPOLY))
+ return;
+
+ ret = gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT, "BKL-ON");
+ if (ret) {
+ pr_err("Requesting BKL-ON GPIO failed!\n");
+ goto err;
+ }
+
+ ret = gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1);
+ if (ret) {
+ pr_err("Setting BKL-ON GPIO direction failed!\n");
+ goto err2;
}
+
+ balloon3_lcd_screen.pxafb_backlight_power = balloon3_backlight_power;
+ set_pxa_fb_info(&balloon3_lcd_screen);
+ return;
+
+err2:
+ gpio_free(BALLOON3_GPIO_RUN_BACKLIGHT);
+err:
+ return;
}
+#else
+static inline void balloon3_lcd_init(void) {}
+#endif
+/******************************************************************************
+ * SD/MMC card controller
+ ******************************************************************************/
+#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data balloon3_mci_platform_data = {
- .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
- .setpower = balloon3_mci_setpower,
+ .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
+ .gpio_card_detect = -1,
+ .gpio_card_ro = -1,
+ .gpio_power = -1,
+ .detect_delay_ms = 200,
};
+static void __init balloon3_mmc_init(void)
+{
+ pxa_set_mci_info(&balloon3_mci_platform_data);
+}
+#else
+static inline void balloon3_mmc_init(void) {}
+#endif
+
/******************************************************************************
* USB Gadget
******************************************************************************/
-static int balloon3_udc_is_connected(void)
+#if defined(CONFIG_USB_GADGET_PXA27X)||defined(CONFIG_USB_GADGET_PXA27X_MODULE)
+static void balloon3_udc_command(int cmd)
{
- pr_debug("%s: udc connected\n", __func__);
- return 1;
+ if (cmd == PXA2XX_UDC_CMD_CONNECT)
+ UP2OCR |= UP2OCR_DPPUE | UP2OCR_DPPUBE;
+ else if (cmd == PXA2XX_UDC_CMD_DISCONNECT)
+ UP2OCR &= ~UP2OCR_DPPUE;
}
-static void balloon3_udc_command(int cmd)
+static int balloon3_udc_is_connected(void)
{
- switch (cmd) {
- case PXA2XX_UDC_CMD_CONNECT:
- UP2OCR |= (UP2OCR_DPPUE + UP2OCR_DPPUBE);
- pr_debug("%s: connect\n", __func__);
- break;
- case PXA2XX_UDC_CMD_DISCONNECT:
- UP2OCR &= ~UP2OCR_DPPUE;
- pr_debug("%s: disconnect\n", __func__);
- break;
- }
+ return 1;
}
-static struct pxa2xx_udc_mach_info balloon3_udc_info = {
- .udc_is_connected = balloon3_udc_is_connected,
- .udc_command = balloon3_udc_command,
+static struct pxa2xx_udc_mach_info balloon3_udc_info __initdata = {
+ .udc_command = balloon3_udc_command,
+ .udc_is_connected = balloon3_udc_is_connected,
+ .gpio_pullup = -1,
};
+static void __init balloon3_udc_init(void)
+{
+ pxa_set_udc_info(&balloon3_udc_info);
+ platform_device_register(&balloon3_gpio_vbus);
+}
+#else
+static inline void balloon3_udc_init(void) {}
+#endif
+
/******************************************************************************
* IrDA
******************************************************************************/
+#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
static struct pxaficp_platform_data balloon3_ficp_platform_data = {
- .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
+ .transceiver_cap = IR_FIRMODE | IR_SIRMODE | IR_OFF,
};
+static void __init balloon3_irda_init(void)
+{
+ pxa_set_ficp_info(&balloon3_ficp_platform_data);
+}
+#else
+static inline void balloon3_irda_init(void) {}
+#endif
+
/******************************************************************************
* USB Host
******************************************************************************/
-static unsigned long balloon3_ohci_pin_config[] = {
- GPIO88_USBH1_PWR,
- GPIO89_USBH1_PEN,
-};
-
-static struct pxaohci_platform_data balloon3_ohci_platform_data = {
+#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
+static struct pxaohci_platform_data balloon3_ohci_info = {
.port_mode = PMM_PERPORT_MODE,
.flags = ENABLE_PORT_ALL | POWER_CONTROL_LOW | POWER_SENSE_LOW,
};
+static void __init balloon3_uhc_init(void)
+{
+ if (!balloon3_has(BALLOON3_FEATURE_OHCI))
+ return;
+ pxa_set_ohci_info(&balloon3_ohci_info);
+}
+#else
+static inline void balloon3_uhc_init(void) {}
+#endif
+
/******************************************************************************
- * LED
+ * LEDs
******************************************************************************/
-static struct gpio_led balloon3_gpio_leds[] = {
+#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
+struct gpio_led balloon3_gpio_leds[] = {
{
.name = "balloon3:green:idle",
.default_trigger = "heartbeat",
.gpio = BALLOON3_GPIO_LED_IDLE,
.active_low = 1,
- },
- {
+ }, {
.name = "balloon3:green:nand",
.default_trigger = "nand-disk",
.gpio = BALLOON3_GPIO_LED_NAND,
@@ -209,43 +356,26 @@ static struct gpio_led balloon3_gpio_leds[] = {
},
};
-static struct gpio_led_platform_data balloon3_gpio_leds_platform_data = {
+static struct gpio_led_platform_data balloon3_gpio_led_info = {
.leds = balloon3_gpio_leds,
.num_leds = ARRAY_SIZE(balloon3_gpio_leds),
};
-static struct platform_device balloon3led_device = {
+static struct platform_device balloon3_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
- .platform_data = &balloon3_gpio_leds_platform_data,
- },
+ .platform_data = &balloon3_gpio_led_info,
+ }
};
-/******************************************************************************
- * Compatibility: Parameter parsing
- ******************************************************************************/
-static unsigned long balloon3_irq_enabled;
-
-static unsigned long balloon3_features_present =
- (1 << BALLOON3_FEATURE_OHCI) | (1 << BALLOON3_FEATURE_CF) |
- (1 << BALLOON3_FEATURE_AUDIO) |
- (1 << BALLOON3_FEATURE_TOPPOLY);
-
-int balloon3_has(enum balloon3_features feature)
+static void __init balloon3_leds_init(void)
{
- return (balloon3_features_present & (1 << feature)) ? 1 : 0;
+ platform_device_register(&balloon3_leds);
}
-EXPORT_SYMBOL_GPL(balloon3_has);
-
-int __init parse_balloon3_features(char *arg)
-{
- if (!arg)
- return 0;
-
- return strict_strtoul(arg, 0, &balloon3_features_present);
-}
-early_param("balloon3_features", parse_balloon3_features);
+#else
+static inline void balloon3_leds_init(void) {}
+#endif
/******************************************************************************
* FPGA IRQ
@@ -314,46 +444,24 @@ static void __init balloon3_init_irq(void)
******************************************************************************/
static void __init balloon3_init(void)
{
- pr_info("Initialising Balloon3\n");
-
- /* system bus arbiter setting
- * - Core_Park
- * - LCD_wt:DMA_wt:CORE_Wt = 2:3:4
- */
ARB_CNTRL = ARB_CORE_PARK | 0x234;
+ pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config));
+
pxa_set_ffuart_info(NULL);
pxa_set_btuart_info(NULL);
pxa_set_stuart_info(NULL);
pxa_set_i2c_info(NULL);
- if (balloon3_has(BALLOON3_FEATURE_AUDIO)) {
- pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ac97_pin_config));
- pxa_set_ac97_info(NULL);
- }
-
- if (balloon3_has(BALLOON3_FEATURE_TOPPOLY)) {
- pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_lcd_pin_config));
- gpio_request(BALLOON3_GPIO_RUN_BACKLIGHT,
- "LCD Backlight Power");
- gpio_direction_output(BALLOON3_GPIO_RUN_BACKLIGHT, 1);
- set_pxa_fb_info(&balloon3_pxafb_info);
- }
-
- if (balloon3_has(BALLOON3_FEATURE_MMC)) {
- pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_mmc_pin_config));
- pxa_set_mci_info(&balloon3_mci_platform_data);
- }
- pxa_set_ficp_info(&balloon3_ficp_platform_data);
- if (balloon3_has(BALLOON3_FEATURE_OHCI)) {
- pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_ohci_pin_config));
- pxa_set_ohci_info(&balloon3_ohci_platform_data);
- }
- pxa_set_udc_info(&balloon3_udc_info);
-
- pxa2xx_mfp_config(ARRAY_AND_SIZE(balloon3_pin_config));
- platform_device_register(&balloon3led_device);
+ balloon3_irda_init();
+ balloon3_lcd_init();
+ balloon3_leds_init();
+ balloon3_mmc_init();
+ balloon3_nor_init();
+ balloon3_ts_init();
+ balloon3_udc_init();
+ balloon3_uhc_init();
}
static struct map_desc balloon3_io_desc[] __initdata = {
--
1.7.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 3/6] [ARM] pxa/balloon3: PCMCIA Support
2010-07-30 6:34 [PATCH 1/6] [ARM] pxa/balloon3: Machine file cleanup Marek Vasut
2010-07-30 6:34 ` [PATCH 2/6] " Marek Vasut
@ 2010-07-30 6:34 ` Marek Vasut
2010-07-30 6:34 ` [PATCH 4/6] [ARM] pxa/balloon3: PCF857x GPIO expander and LEDs Marek Vasut
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: Marek Vasut @ 2010-07-30 6:34 UTC (permalink / raw)
To: linux-arm-kernel
This driver adds support for the on-board CF socket.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
---
arch/arm/mach-pxa/balloon3.c | 13 ++-
arch/arm/mach-pxa/include/mach/balloon3.h | 36 ++++---
drivers/pcmcia/Kconfig | 2 +-
drivers/pcmcia/Makefile | 1 +
drivers/pcmcia/pxa2xx_balloon3.c | 158 +++++++++++++++++++++++++++++
5 files changed, 191 insertions(+), 19 deletions(-)
create mode 100644 drivers/pcmcia/pxa2xx_balloon3.c
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index 572525c..91ad56d 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -88,6 +88,18 @@ static unsigned long balloon3_pin_config[] __initdata = {
/* USB Host */
GPIO88_USBH1_PWR,
GPIO89_USBH1_PEN,
+
+ /* PC Card */
+ GPIO48_nPOE,
+ GPIO49_nPWE,
+ GPIO50_nPIOR,
+ GPIO51_nPIOW,
+ GPIO85_nPCE_1,
+ GPIO54_nPCE_2,
+ GPIO79_PSKTSEL,
+ GPIO55_nPREG,
+ GPIO56_nPWAIT,
+ GPIO57_nIOIS16,
};
/******************************************************************************
@@ -405,7 +417,6 @@ static void balloon3_irq_handler(unsigned int irq, struct irq_desc *desc)
{
unsigned long pending = __raw_readl(BALLOON3_INT_CONTROL_REG) &
balloon3_irq_enabled;
-
do {
/* clear useless edge notification */
if (desc->chip->ack)
diff --git a/arch/arm/mach-pxa/include/mach/balloon3.h b/arch/arm/mach-pxa/include/mach/balloon3.h
index 1a74106..d5dcf75 100644
--- a/arch/arm/mach-pxa/include/mach/balloon3.h
+++ b/arch/arm/mach-pxa/include/mach/balloon3.h
@@ -26,10 +26,12 @@ enum balloon3_features {
#define BALLOON3_FPGA_VIRT (0xf1000000) /* as per balloon2 */
#define BALLOON3_FPGA_LENGTH 0x01000000
-/* FPGA/CPLD registers */
-#define BALLOON3_PCMCIA0_REG (BALLOON3_FPGA_VIRT + 0x00e00008)
-/* fixme - same for now */
-#define BALLOON3_PCMCIA1_REG (BALLOON3_FPGA_VIRT + 0x00e00008)
+/* FPGA / CPLD registers for CF socket */
+#define BALLOON3_CF_STATUS_REG (BALLOON3_FPGA_VIRT + 0x00e00008)
+#define BALLOON3_CF_CONTROL_REG (BALLOON3_FPGA_VIRT + 0x00e00008)
+/* FPGA / CPLD version register */
+#define BALLOON3_FPGA_VER (BALLOON3_FPGA_VIRT + 0x00e0001c)
+
#define BALLOON3_NANDIO_IO_REG (BALLOON3_FPGA_VIRT + 0x00e00000)
/* fpga/cpld interrupt control register */
#define BALLOON3_INT_CONTROL_REG (BALLOON3_FPGA_VIRT + 0x00e0000C)
@@ -41,6 +43,19 @@ enum balloon3_features {
#define BALLOON3_SAMOSA_DATA_REG (BALLOON3_FPGA_VIRT + 0x00c00004)
#define BALLOON3_SAMOSA_STATUS_REG (BALLOON3_FPGA_VIRT + 0x00c0001c)
+/* CF Status Register bits (read-only) bits */
+#define BALLOON3_CF_nIRQ (1 << 0)
+#define BALLOON3_CF_nSTSCHG_BVD1 (1 << 1)
+
+/* CF Control Set Register bits / CF Control Clear Register bits (write-only) */
+#define BALLOON3_CF_RESET (1 << 0)
+#define BALLOON3_CF_ENABLE (1 << 1)
+#define BALLOON3_CF_ADD_ENABLE (1 << 2)
+
+/* CF Interrupt sources */
+#define BALLOON3_BP_CF_NRDY_IRQ BALLOON3_IRQ(0)
+#define BALLOON3_BP_NSTSCHG_IRQ BALLOON3_IRQ(1)
+
/* GPIOs for irqs */
#define BALLOON3_GPIO_AUX_NIRQ (94)
#define BALLOON3_GPIO_CODEC_IRQ (95)
@@ -58,16 +73,6 @@ enum balloon3_features {
#define BALLOON3_INT_S0_IRQ (1 << 0) /* PCMCIA 0 IRQ */
#define BALLOON3_INT_S0_STSCHG (1 << 1) /* PCMCIA 0 status changed */
-/* CF Status Register */
-#define BALLOON3_PCMCIA_nIRQ (1 << 0) /* IRQ / ready signal */
-#define BALLOON3_PCMCIA_nSTSCHG_BVD1 (1 << 1)
- /* VDD sense / card status changed */
-
-/* CF control register (write) */
-#define BALLOON3_PCMCIA_RESET (1 << 0) /* Card reset signal */
-#define BALLOON3_PCMCIA_ENABLE (1 << 1)
-#define BALLOON3_PCMCIA_ADD_ENABLE (1 << 2)
-
/* CPLD (and FPGA) interface definitions */
#define CPLD_LCD0_DATA_SET 0x00
#define CPLD_LCD0_DATA_CLR 0x10
@@ -132,9 +137,6 @@ enum balloon3_features {
/* Balloon3 Interrupts */
#define BALLOON3_IRQ(x) (IRQ_BOARD_START + (x))
-#define BALLOON3_BP_CF_NRDY_IRQ BALLOON3_IRQ(0)
-#define BALLOON3_BP_NSTSCHG_IRQ BALLOON3_IRQ(1)
-
#define BALLOON3_AUX_NIRQ IRQ_GPIO(BALLOON3_GPIO_AUX_NIRQ)
#define BALLOON3_CODEC_IRQ IRQ_GPIO(BALLOON3_GPIO_CODEC_IRQ)
#define BALLOON3_S0_CD_IRQ IRQ_GPIO(BALLOON3_GPIO_S0_CD)
diff --git a/drivers/pcmcia/Kconfig b/drivers/pcmcia/Kconfig
index d0f5ad3..ef2f659 100644
--- a/drivers/pcmcia/Kconfig
+++ b/drivers/pcmcia/Kconfig
@@ -215,7 +215,7 @@ config PCMCIA_PXA2XX
depends on (ARCH_LUBBOCK || MACH_MAINSTONE || PXA_SHARPSL \
|| MACH_ARMCORE || ARCH_PXA_PALM || TRIZEPS_PCMCIA \
|| ARCOM_PCMCIA || ARCH_PXA_ESERIES || MACH_STARGATE2 \
- || MACH_VPAC270)
+ || MACH_VPAC270 || MACH_BALLOON3)
select PCMCIA_SOC_COMMON
help
Say Y here to include support for the PXA2xx PCMCIA controller
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index d006e8b..6a60773 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -70,6 +70,7 @@ pxa2xx-obj-$(CONFIG_MACH_PALMLD) += pxa2xx_palmld.o
pxa2xx-obj-$(CONFIG_MACH_E740) += pxa2xx_e740.o
pxa2xx-obj-$(CONFIG_MACH_STARGATE2) += pxa2xx_stargate2.o
pxa2xx-obj-$(CONFIG_MACH_VPAC270) += pxa2xx_vpac270.o
+pxa2xx-obj-$(CONFIG_MACH_BALLOON3) += pxa2xx_balloon3.o
obj-$(CONFIG_PCMCIA_PXA2XX) += pxa2xx_base.o $(pxa2xx-obj-y)
diff --git a/drivers/pcmcia/pxa2xx_balloon3.c b/drivers/pcmcia/pxa2xx_balloon3.c
new file mode 100644
index 0000000..dbbdd00
--- /dev/null
+++ b/drivers/pcmcia/pxa2xx_balloon3.c
@@ -0,0 +1,158 @@
+/*
+ * linux/drivers/pcmcia/pxa2xx_balloon3.c
+ *
+ * Balloon3 PCMCIA specific routines.
+ *
+ * Author: Nick Bane
+ * Created: June, 2006
+ * Copyright: Toby Churchill Ltd
+ * Derived from pxa2xx_mainstone.c, by Nico Pitre
+ *
+ * Various modification by 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/module.h>
+#include <linux/gpio.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/io.h>
+
+#include <mach/balloon3.h>
+
+#include "soc_common.h"
+
+/*
+ * These are a list of interrupt sources that provokes a polled
+ * check of status
+ */
+static struct pcmcia_irqs irqs[] = {
+ { 0, BALLOON3_S0_CD_IRQ, "PCMCIA0 CD" },
+ { 0, BALLOON3_BP_NSTSCHG_IRQ, "PCMCIA0 STSCHG" },
+};
+
+static int balloon3_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
+{
+ uint16_t ver;
+ int ret;
+ static void __iomem *fpga_ver;
+
+ ver = __raw_readw(BALLOON3_FPGA_VER);
+ if (ver > 0x0201)
+ pr_warn("The FPGA code, version 0x%04x, is newer than rel-0.3. "
+ "PCMCIA/CF support might be broken in this version!",
+ ver);
+
+ skt->socket.pci_irq = BALLOON3_BP_CF_NRDY_IRQ;
+ return soc_pcmcia_request_irqs(skt, irqs, ARRAY_SIZE(irqs));
+}
+
+static void balloon3_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
+{
+ soc_pcmcia_free_irqs(skt, irqs, ARRAY_SIZE(irqs));
+}
+
+static unsigned long balloon3_pcmcia_status[2] = {
+ BALLOON3_CF_nSTSCHG_BVD1,
+ BALLOON3_CF_nSTSCHG_BVD1
+};
+
+static void balloon3_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
+ struct pcmcia_state *state)
+{
+ uint16_t status;
+ int flip;
+
+ /* This actually reads the STATUS register */
+ status = __raw_readw(BALLOON3_CF_STATUS_REG);
+ flip = (status ^ balloon3_pcmcia_status[skt->nr])
+ & BALLOON3_CF_nSTSCHG_BVD1;
+ /*
+ * Workaround for STSCHG which can't be deasserted:
+ * We therefore disable/enable corresponding IRQs
+ * as needed to avoid IRQ locks.
+ */
+ if (flip) {
+ balloon3_pcmcia_status[skt->nr] = status;
+ if (status & BALLOON3_CF_nSTSCHG_BVD1)
+ enable_irq(BALLOON3_BP_NSTSCHG_IRQ);
+ else
+ disable_irq(BALLOON3_BP_NSTSCHG_IRQ);
+ }
+
+ state->detect = !gpio_get_value(BALLOON3_GPIO_S0_CD);
+ state->ready = !!(status & BALLOON3_CF_nIRQ);
+ state->bvd1 = !!(status & BALLOON3_CF_nSTSCHG_BVD1);
+ state->bvd2 = 0; /* not available */
+ state->vs_3v = 1; /* Always true its a CF card */
+ state->vs_Xv = 0; /* not available */
+ state->wrprot = 0; /* not available */
+}
+
+static int balloon3_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
+ const socket_state_t *state)
+{
+ __raw_writew((state->flags & SS_RESET) ? BALLOON3_CF_RESET : 0,
+ BALLOON3_CF_CONTROL_REG);
+ return 0;
+}
+
+static void balloon3_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
+{
+}
+
+static void balloon3_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
+{
+}
+
+static struct pcmcia_low_level balloon3_pcmcia_ops = {
+ .owner = THIS_MODULE,
+ .hw_init = balloon3_pcmcia_hw_init,
+ .hw_shutdown = balloon3_pcmcia_hw_shutdown,
+ .socket_state = balloon3_pcmcia_socket_state,
+ .configure_socket = balloon3_pcmcia_configure_socket,
+ .socket_init = balloon3_pcmcia_socket_init,
+ .socket_suspend = balloon3_pcmcia_socket_suspend,
+ .first = 0,
+ .nr = 1,
+};
+
+static struct platform_device *balloon3_pcmcia_device;
+
+static int __init balloon3_pcmcia_init(void)
+{
+ int ret;
+
+ balloon3_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
+ if (!balloon3_pcmcia_device)
+ return -ENOMEM;
+
+ ret = platform_device_add_data(balloon3_pcmcia_device,
+ &balloon3_pcmcia_ops, sizeof(balloon3_pcmcia_ops));
+
+ if (!ret)
+ ret = platform_device_add(balloon3_pcmcia_device);
+
+ if (ret)
+ platform_device_put(balloon3_pcmcia_device);
+
+ return ret;
+}
+
+static void __exit balloon3_pcmcia_exit(void)
+{
+ platform_device_unregister(balloon3_pcmcia_device);
+}
+
+module_init(balloon3_pcmcia_init);
+module_exit(balloon3_pcmcia_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Nick Bane <nick@cecomputing.co.uk>");
+MODULE_ALIAS("platform:pxa2xx-pcmcia");
+MODULE_DESCRIPTION("Balloon3 board CF/PCMCIA driver");
--
1.7.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 4/6] [ARM] pxa/balloon3: PCF857x GPIO expander and LEDs
2010-07-30 6:34 [PATCH 1/6] [ARM] pxa/balloon3: Machine file cleanup Marek Vasut
2010-07-30 6:34 ` [PATCH 2/6] " Marek Vasut
2010-07-30 6:34 ` [PATCH 3/6] [ARM] pxa/balloon3: PCMCIA Support Marek Vasut
@ 2010-07-30 6:34 ` Marek Vasut
2010-07-30 6:34 ` [PATCH 5/6] [ARM] pxa/balloon3: Add NAND driver Marek Vasut
2010-07-30 6:34 ` [PATCH 6/6] [ARM] pxa/balloon3: Add MAX1586 PMIC support Marek Vasut
4 siblings, 0 replies; 6+ messages in thread
From: Marek Vasut @ 2010-07-30 6:34 UTC (permalink / raw)
To: linux-arm-kernel
Add supported for PCF8574A GPIO expander and LEDs attached to it.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
---
arch/arm/mach-pxa/balloon3.c | 84 +++++++++++++++++++++++++++-
arch/arm/mach-pxa/include/mach/balloon3.h | 11 ++++
2 files changed, 92 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index 91ad56d..6f594bd 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -26,6 +26,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/types.h>
+#include <linux/i2c/pcf857x.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@@ -375,15 +376,65 @@ static struct gpio_led_platform_data balloon3_gpio_led_info = {
static struct platform_device balloon3_leds = {
.name = "leds-gpio",
- .id = -1,
+ .id = 0,
.dev = {
.platform_data = &balloon3_gpio_led_info,
}
};
+struct gpio_led balloon3_pcf_gpio_leds[] = {
+ {
+ .name = "balloon3:green:led0",
+ .gpio = BALLOON3_PCF_GPIO_LED0,
+ .active_low = 1,
+ }, {
+ .name = "balloon3:green:led1",
+ .gpio = BALLOON3_PCF_GPIO_LED1,
+ .active_low = 1,
+ }, {
+ .name = "balloon3:orange:led2",
+ .gpio = BALLOON3_PCF_GPIO_LED2,
+ .active_low = 1,
+ }, {
+ .name = "balloon3:orange:led3",
+ .gpio = BALLOON3_PCF_GPIO_LED3,
+ .active_low = 1,
+ }, {
+ .name = "balloon3:orange:led4",
+ .gpio = BALLOON3_PCF_GPIO_LED4,
+ .active_low = 1,
+ }, {
+ .name = "balloon3:orange:led5",
+ .gpio = BALLOON3_PCF_GPIO_LED5,
+ .active_low = 1,
+ }, {
+ .name = "balloon3:red:led6",
+ .gpio = BALLOON3_PCF_GPIO_LED6,
+ .active_low = 1,
+ }, {
+ .name = "balloon3:red:led7",
+ .gpio = BALLOON3_PCF_GPIO_LED7,
+ .active_low = 1,
+ },
+};
+
+static struct gpio_led_platform_data balloon3_pcf_gpio_led_info = {
+ .leds = balloon3_pcf_gpio_leds,
+ .num_leds = ARRAY_SIZE(balloon3_pcf_gpio_leds),
+};
+
+static struct platform_device balloon3_pcf_leds = {
+ .name = "leds-gpio",
+ .id = 1,
+ .dev = {
+ .platform_data = &balloon3_pcf_gpio_led_info,
+ }
+};
+
static void __init balloon3_leds_init(void)
{
platform_device_register(&balloon3_leds);
+ platform_device_register(&balloon3_pcf_leds);
}
#else
static inline void balloon3_leds_init(void) {}
@@ -451,6 +502,34 @@ static void __init balloon3_init_irq(void)
}
/******************************************************************************
+ * GPIO expander
+ ******************************************************************************/
+#if defined(CONFIG_GPIO_PCF857X) || defined(CONFIG_GPIO_PCF857X_MODULE)
+static struct pcf857x_platform_data balloon3_pcf857x_pdata = {
+ .gpio_base = BALLOON3_PCF_GPIO_BASE,
+ .n_latch = 0,
+ .setup = NULL,
+ .teardown = NULL,
+ .context = NULL,
+};
+
+static struct i2c_board_info __initdata balloon3_i2c_devs[] = {
+ {
+ I2C_BOARD_INFO("pcf8574a", 0x38),
+ .platform_data = &balloon3_pcf857x_pdata,
+ },
+};
+
+static void __init balloon3_i2c_init(void)
+{
+ pxa_set_i2c_info(NULL);
+ i2c_register_board_info(0, ARRAY_AND_SIZE(balloon3_i2c_devs));
+}
+#else
+static inline void balloon3_i2c_init(void) {}
+#endif
+
+/******************************************************************************
* Machine init
******************************************************************************/
static void __init balloon3_init(void)
@@ -463,8 +542,7 @@ static void __init balloon3_init(void)
pxa_set_btuart_info(NULL);
pxa_set_stuart_info(NULL);
- pxa_set_i2c_info(NULL);
-
+ balloon3_i2c_init();
balloon3_irda_init();
balloon3_lcd_init();
balloon3_leds_init();
diff --git a/arch/arm/mach-pxa/include/mach/balloon3.h b/arch/arm/mach-pxa/include/mach/balloon3.h
index d5dcf75..238f887 100644
--- a/arch/arm/mach-pxa/include/mach/balloon3.h
+++ b/arch/arm/mach-pxa/include/mach/balloon3.h
@@ -69,6 +69,17 @@ enum balloon3_features {
#define BALLOON3_GPIO_S0_CD (105)
+/* PCF8574A Leds */
+#define BALLOON3_PCF_GPIO_BASE 160
+#define BALLOON3_PCF_GPIO_LED0 (BALLOON3_PCF_GPIO_BASE + 0)
+#define BALLOON3_PCF_GPIO_LED1 (BALLOON3_PCF_GPIO_BASE + 1)
+#define BALLOON3_PCF_GPIO_LED2 (BALLOON3_PCF_GPIO_BASE + 2)
+#define BALLOON3_PCF_GPIO_LED3 (BALLOON3_PCF_GPIO_BASE + 3)
+#define BALLOON3_PCF_GPIO_LED4 (BALLOON3_PCF_GPIO_BASE + 4)
+#define BALLOON3_PCF_GPIO_LED5 (BALLOON3_PCF_GPIO_BASE + 5)
+#define BALLOON3_PCF_GPIO_LED6 (BALLOON3_PCF_GPIO_BASE + 6)
+#define BALLOON3_PCF_GPIO_LED7 (BALLOON3_PCF_GPIO_BASE + 7)
+
/* FPGA Interrupt Mask/Acknowledge Register */
#define BALLOON3_INT_S0_IRQ (1 << 0) /* PCMCIA 0 IRQ */
#define BALLOON3_INT_S0_STSCHG (1 << 1) /* PCMCIA 0 status changed */
--
1.7.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 5/6] [ARM] pxa/balloon3: Add NAND driver
2010-07-30 6:34 [PATCH 1/6] [ARM] pxa/balloon3: Machine file cleanup Marek Vasut
` (2 preceding siblings ...)
2010-07-30 6:34 ` [PATCH 4/6] [ARM] pxa/balloon3: PCF857x GPIO expander and LEDs Marek Vasut
@ 2010-07-30 6:34 ` Marek Vasut
2010-07-30 6:34 ` [PATCH 6/6] [ARM] pxa/balloon3: Add MAX1586 PMIC support Marek Vasut
4 siblings, 0 replies; 6+ messages in thread
From: Marek Vasut @ 2010-07-30 6:34 UTC (permalink / raw)
To: linux-arm-kernel
The NAND support is implemented through the gen_nand driver.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
---
arch/arm/mach-pxa/balloon3.c | 151 +++++++++++++++++++++++++++++
arch/arm/mach-pxa/include/mach/balloon3.h | 28 +++++-
2 files changed, 176 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index 6f594bd..e2eb0b7 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -27,6 +27,8 @@
#include <linux/mtd/partitions.h>
#include <linux/types.h>
#include <linux/i2c/pcf857x.h>
+#include <linux/mtd/nand.h>
+#include <linux/mtd/physmap.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@@ -530,6 +532,154 @@ static inline void balloon3_i2c_init(void) {}
#endif
/******************************************************************************
+ * NAND
+ ******************************************************************************/
+#if defined(CONFIG_MTD_NAND_PLATFORM)||defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
+static uint16_t balloon3_ctl =
+ BALLOON3_NAND_CONTROL_FLCE0 | BALLOON3_NAND_CONTROL_FLCE1 |
+ BALLOON3_NAND_CONTROL_FLCE2 | BALLOON3_NAND_CONTROL_FLCE3 |
+ BALLOON3_NAND_CONTROL_FLWP;
+
+static void balloon3_nand_cmd_ctl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
+{
+ struct nand_chip *this = mtd->priv;
+
+ if (ctrl & NAND_CTRL_CHANGE) {
+ if (ctrl & NAND_CLE)
+ balloon3_ctl |= BALLOON3_NAND_CONTROL_FLCLE;
+ else
+ balloon3_ctl &= ~BALLOON3_NAND_CONTROL_FLCLE;
+
+ if (ctrl & NAND_ALE)
+ balloon3_ctl |= BALLOON3_NAND_CONTROL_FLALE;
+ else
+ balloon3_ctl &= ~BALLOON3_NAND_CONTROL_FLALE;
+
+ __raw_writel(balloon3_ctl, BALLOON3_NAND_CONTROL_REG);
+ }
+
+ if (cmd != NAND_CMD_NONE)
+ writeb(cmd, this->IO_ADDR_W);
+}
+
+static void balloon3_nand_select_chip(struct mtd_info *mtd, int chip)
+{
+ if (chip < 0 || chip > 3)
+ return;
+
+ balloon3_ctl |= BALLOON3_NAND_CONTROL_FLCE0 |
+ BALLOON3_NAND_CONTROL_FLCE1 |
+ BALLOON3_NAND_CONTROL_FLCE2 |
+ BALLOON3_NAND_CONTROL_FLCE3;
+
+ /* Deassert correct nCE line */
+ balloon3_ctl &= ~(BALLOON3_NAND_CONTROL_FLCE0 << chip);
+
+ __raw_writew(balloon3_ctl, BALLOON3_NAND_CONTROL_REG);
+}
+
+static int balloon3_nand_probe(struct platform_device *pdev)
+{
+ void __iomem *temp_map;
+ uint16_t ver;
+ int ret;
+
+ __raw_writew(BALLOON3_NAND_CONTROL2_16BIT, BALLOON3_NAND_CONTROL2_REG);
+
+ ver = __raw_readw(BALLOON3_FPGA_VER);
+ if (ver > 0x0201)
+ pr_warn("The FPGA code, version 0x%04x, is newer than rel-0.3. "
+ "NAND support might be broken in this version!", ver);
+
+ /* Power up the NAND chips */
+ ret = gpio_request(BALLOON3_GPIO_RUN_NAND, "NAND");
+ if (ret)
+ goto err1;
+
+ ret = gpio_direction_output(BALLOON3_GPIO_RUN_NAND, 1);
+ if (ret)
+ goto err2;
+
+ gpio_set_value(BALLOON3_GPIO_RUN_NAND, 1);
+
+ /* Deassert all nCE lines and write protect line */
+ __raw_writel(balloon3_ctl, BALLOON3_NAND_CONTROL_REG);
+ return 0;
+
+err2:
+ gpio_free(BALLOON3_GPIO_RUN_NAND);
+err1:
+ return ret;
+}
+
+static void balloon3_nand_remove(struct platform_device *pdev)
+{
+ /* Power down the NAND chips */
+ gpio_set_value(BALLOON3_GPIO_RUN_NAND, 0);
+ gpio_free(BALLOON3_GPIO_RUN_NAND);
+}
+
+static struct mtd_partition balloon3_partition_info[] = {
+ [0] = {
+ .name = "Boot",
+ .offset = 0,
+ .size = SZ_4M,
+ },
+ [1] = {
+ .name = "RootFS",
+ .offset = MTDPART_OFS_APPEND,
+ .size = MTDPART_SIZ_FULL
+ },
+};
+
+static const char *balloon3_part_probes[] = { "cmdlinepart", NULL };
+
+struct platform_nand_data balloon3_nand_pdata = {
+ .chip = {
+ .nr_chips = 4,
+ .chip_offset = 0,
+ .nr_partitions = ARRAY_SIZE(balloon3_partition_info),
+ .partitions = balloon3_partition_info,
+ .chip_delay = 50,
+ .part_probe_types = balloon3_part_probes,
+ },
+ .ctrl = {
+ .hwcontrol = 0,
+ .dev_ready = 0,
+ .select_chip = balloon3_nand_select_chip,
+ .cmd_ctrl = balloon3_nand_cmd_ctl,
+ .probe = balloon3_nand_probe,
+ .remove = balloon3_nand_remove,
+ },
+};
+
+static struct resource balloon3_nand_resource[] = {
+ [0] = {
+ .start = BALLOON3_NAND_BASE,
+ .end = BALLOON3_NAND_BASE + 0x4,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
+static struct platform_device balloon3_nand = {
+ .name = "gen_nand",
+ .num_resources = ARRAY_SIZE(balloon3_nand_resource),
+ .resource = balloon3_nand_resource,
+ .id = -1,
+ .dev = {
+ .platform_data = &balloon3_nand_pdata,
+ }
+};
+
+static void __init balloon3_nand_init(void)
+{
+ platform_device_register(&balloon3_nand);
+}
+#else
+static inline void balloon3_nand_init(void) {}
+#endif
+
+/******************************************************************************
* Machine init
******************************************************************************/
static void __init balloon3_init(void)
@@ -547,6 +697,7 @@ static void __init balloon3_init(void)
balloon3_lcd_init();
balloon3_leds_init();
balloon3_mmc_init();
+ balloon3_nand_init();
balloon3_nor_init();
balloon3_ts_init();
balloon3_udc_init();
diff --git a/arch/arm/mach-pxa/include/mach/balloon3.h b/arch/arm/mach-pxa/include/mach/balloon3.h
index 238f887..eec92e6 100644
--- a/arch/arm/mach-pxa/include/mach/balloon3.h
+++ b/arch/arm/mach-pxa/include/mach/balloon3.h
@@ -31,12 +31,15 @@ enum balloon3_features {
#define BALLOON3_CF_CONTROL_REG (BALLOON3_FPGA_VIRT + 0x00e00008)
/* FPGA / CPLD version register */
#define BALLOON3_FPGA_VER (BALLOON3_FPGA_VIRT + 0x00e0001c)
+/* FPGA / CPLD registers for NAND flash */
+#define BALLOON3_NAND_BASE (PXA_CS4_PHYS + 0x00e00000)
+#define BALLOON3_NAND_IO_REG (BALLOON3_FPGA_VIRT + 0x00e00000)
+#define BALLOON3_NAND_CONTROL2_REG (BALLOON3_FPGA_VIRT + 0x00e00010)
+#define BALLOON3_NAND_STAT_REG (BALLOON3_FPGA_VIRT + 0x00e00010)
+#define BALLOON3_NAND_CONTROL_REG (BALLOON3_FPGA_VIRT + 0x00e00014)
-#define BALLOON3_NANDIO_IO_REG (BALLOON3_FPGA_VIRT + 0x00e00000)
/* fpga/cpld interrupt control register */
#define BALLOON3_INT_CONTROL_REG (BALLOON3_FPGA_VIRT + 0x00e0000C)
-#define BALLOON3_NANDIO_CTL2_REG (BALLOON3_FPGA_VIRT + 0x00e00010)
-#define BALLOON3_NANDIO_CTL_REG (BALLOON3_FPGA_VIRT + 0x00e00014)
#define BALLOON3_VERSION_REG (BALLOON3_FPGA_VIRT + 0x00e0001c)
#define BALLOON3_SAMOSA_ADDR_REG (BALLOON3_FPGA_VIRT + 0x00c00000)
@@ -56,6 +59,22 @@ enum balloon3_features {
#define BALLOON3_BP_CF_NRDY_IRQ BALLOON3_IRQ(0)
#define BALLOON3_BP_NSTSCHG_IRQ BALLOON3_IRQ(1)
+/* NAND Control register */
+#define BALLOON3_NAND_CONTROL_FLWP (1 << 7)
+#define BALLOON3_NAND_CONTROL_FLSE (1 << 6)
+#define BALLOON3_NAND_CONTROL_FLCE3 (1 << 5)
+#define BALLOON3_NAND_CONTROL_FLCE2 (1 << 4)
+#define BALLOON3_NAND_CONTROL_FLCE1 (1 << 3)
+#define BALLOON3_NAND_CONTROL_FLCE0 (1 << 2)
+#define BALLOON3_NAND_CONTROL_FLALE (1 << 1)
+#define BALLOON3_NAND_CONTROL_FLCLE (1 << 0)
+
+/* NAND Status register */
+#define BALLOON3_NAND_STAT_RNB (1 << 0)
+
+/* NAND Control2 register */
+#define BALLOON3_NAND_CONTROL2_16BIT (1 << 0)
+
/* GPIOs for irqs */
#define BALLOON3_GPIO_AUX_NIRQ (94)
#define BALLOON3_GPIO_CODEC_IRQ (95)
@@ -69,6 +88,9 @@ enum balloon3_features {
#define BALLOON3_GPIO_S0_CD (105)
+/* NAND */
+#define BALLOON3_GPIO_RUN_NAND (102)
+
/* PCF8574A Leds */
#define BALLOON3_PCF_GPIO_BASE 160
#define BALLOON3_PCF_GPIO_LED0 (BALLOON3_PCF_GPIO_BASE + 0)
--
1.7.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
* [PATCH 6/6] [ARM] pxa/balloon3: Add MAX1586 PMIC support
2010-07-30 6:34 [PATCH 1/6] [ARM] pxa/balloon3: Machine file cleanup Marek Vasut
` (3 preceding siblings ...)
2010-07-30 6:34 ` [PATCH 5/6] [ARM] pxa/balloon3: Add NAND driver Marek Vasut
@ 2010-07-30 6:34 ` Marek Vasut
4 siblings, 0 replies; 6+ messages in thread
From: Marek Vasut @ 2010-07-30 6:34 UTC (permalink / raw)
To: linux-arm-kernel
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
---
arch/arm/mach-pxa/balloon3.c | 55 ++++++++++++++++++++++++++++++++++++++++++
1 files changed, 55 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c
index e2eb0b7..9041340 100644
--- a/arch/arm/mach-pxa/balloon3.c
+++ b/arch/arm/mach-pxa/balloon3.c
@@ -29,6 +29,7 @@
#include <linux/i2c/pcf857x.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/physmap.h>
+#include <linux/regulator/max1586.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
@@ -680,6 +681,59 @@ static inline void balloon3_nand_init(void) {}
#endif
/******************************************************************************
+ * Core power regulator
+ ******************************************************************************/
+#if defined(CONFIG_REGULATOR_MAX1586) || \
+ defined(CONFIG_REGULATOR_MAX1586_MODULE)
+static struct regulator_consumer_supply balloon3_max1587a_consumers[] = {
+ {
+ .supply = "vcc_core",
+ }
+};
+
+static struct regulator_init_data balloon3_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 = balloon3_max1587a_consumers,
+ .num_consumer_supplies = ARRAY_SIZE(balloon3_max1587a_consumers),
+};
+
+static struct max1586_subdev_data balloon3_max1587a_subdevs[] = {
+ {
+ .name = "vcc_core",
+ .id = MAX1586_V3,
+ .platform_data = &balloon3_max1587a_v3_info,
+ }
+};
+
+static struct max1586_platform_data balloon3_max1587a_info = {
+ .subdevs = balloon3_max1587a_subdevs,
+ .num_subdevs = ARRAY_SIZE(balloon3_max1587a_subdevs),
+ .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
+};
+
+static struct i2c_board_info __initdata balloon3_pi2c_board_info[] = {
+ {
+ I2C_BOARD_INFO("max1586", 0x14),
+ .platform_data = &balloon3_max1587a_info,
+ },
+};
+
+static void __init balloon3_pmic_init(void)
+{
+ pxa27x_set_i2c_power_info(NULL);
+ i2c_register_board_info(1, ARRAY_AND_SIZE(balloon3_pi2c_board_info));
+}
+#else
+static inline void balloon3_pmic_init(void) {}
+#endif
+
+/******************************************************************************
* Machine init
******************************************************************************/
static void __init balloon3_init(void)
@@ -699,6 +753,7 @@ static void __init balloon3_init(void)
balloon3_mmc_init();
balloon3_nand_init();
balloon3_nor_init();
+ balloon3_pmic_init();
balloon3_ts_init();
balloon3_udc_init();
balloon3_uhc_init();
--
1.7.1
^ permalink raw reply related [flat|nested] 6+ messages in thread
end of thread, other threads:[~2010-07-30 6:34 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2010-07-30 6:34 [PATCH 1/6] [ARM] pxa/balloon3: Machine file cleanup Marek Vasut
2010-07-30 6:34 ` [PATCH 2/6] " Marek Vasut
2010-07-30 6:34 ` [PATCH 3/6] [ARM] pxa/balloon3: PCMCIA Support Marek Vasut
2010-07-30 6:34 ` [PATCH 4/6] [ARM] pxa/balloon3: PCF857x GPIO expander and LEDs Marek Vasut
2010-07-30 6:34 ` [PATCH 5/6] [ARM] pxa/balloon3: Add NAND driver Marek Vasut
2010-07-30 6:34 ` [PATCH 6/6] [ARM] pxa/balloon3: Add MAX1586 PMIC support Marek Vasut
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).