Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 285 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/idp.c b/arch/arm/mach-pxa/idp.c
new file mode 100644
index 000000000..525d01ddf
--- /dev/null
+++ b/arch/arm/mach-pxa/idp.c
@@ -0,0 +1,285 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ *  linux/arch/arm/mach-pxa/idp.c
+ *
+ *  Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
+ *
+ *  2001-09-13: Cliff Brake <cbrake@accelent.com>
+ *              Initial code
+ *
+ *  2005-02-15: Cliff Brake <cliff.brake@gmail.com>
+ *  		<http://www.vibren.com> <http://bec-systems.com>
+ *              Updated for 2.6 kernel
+ */
+
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/leds.h>
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "pxa25x.h"
+#include "idp.h"
+#include <linux/platform_data/video-pxafb.h>
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/smc91x.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/* TODO:
+ * - add pxa2xx_audio_ops_t device structure
+ * - Ethernet interrupt
+ */
+
+static unsigned long idp_pin_config[] __initdata = {
+	/* LCD */
+	GPIOxx_LCD_DSTN_16BPP,
+
+	/* BTUART */
+	GPIO42_BTUART_RXD,
+	GPIO43_BTUART_TXD,
+	GPIO44_BTUART_CTS,
+	GPIO45_BTUART_RTS,
+
+	/* STUART */
+	GPIO46_STUART_RXD,
+	GPIO47_STUART_TXD,
+
+	/* MMC */
+	GPIO6_MMC_CLK,
+	GPIO8_MMC_CS0,
+
+	/* Ethernet */
+	GPIO33_nCS_5,	/* Ethernet CS */
+	GPIO4_GPIO,	/* Ethernet IRQ */
+};
+
+static struct resource smc91x_resources[] = {
+	[0] = {
+		.start	= (IDP_ETH_PHYS + 0x300),
+		.end	= (IDP_ETH_PHYS + 0xfffff),
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= PXA_GPIO_TO_IRQ(4),
+		.end	= PXA_GPIO_TO_IRQ(4),
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+	}
+};
+
+static struct smc91x_platdata smc91x_platdata = {
+	.flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT | SMC91X_USE_32BIT |
+		 SMC91X_USE_DMA | SMC91X_NOWAIT,
+	.pxa_u16_align4 = true,
+};
+
+static struct platform_device smc91x_device = {
+	.name		= "smc91x",
+	.id		= 0,
+	.num_resources	= ARRAY_SIZE(smc91x_resources),
+	.resource	= smc91x_resources,
+	.dev.platform_data = &smc91x_platdata,
+};
+
+static void idp_backlight_power(int on)
+{
+	if (on) {
+		IDP_CPLD_LCD |= (1<<1);
+	} else {
+		IDP_CPLD_LCD &= ~(1<<1);
+	}
+}
+
+static void idp_vlcd(int on)
+{
+	if (on) {
+		IDP_CPLD_LCD |= (1<<2);
+	} else {
+		IDP_CPLD_LCD &= ~(1<<2);
+	}
+}
+
+static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
+{
+	if (on) {
+		IDP_CPLD_LCD |= (1<<0);
+	} else {
+		IDP_CPLD_LCD &= ~(1<<0);
+	}
+
+	/* call idp_vlcd for now as core driver does not support
+	 * both power and vlcd hooks.  Note, this is not technically
+	 * the correct sequence, but seems to work.  Disclaimer:
+	 * this may eventually damage the display.
+	 */
+
+	idp_vlcd(on);
+}
+
+static struct pxafb_mode_info sharp_lm8v31_mode = {
+	.pixclock	= 270000,
+	.xres		= 640,
+	.yres		= 480,
+	.bpp		= 16,
+	.hsync_len	= 1,
+	.left_margin	= 3,
+	.right_margin	= 3,
+	.vsync_len	= 1,
+	.upper_margin	= 0,
+	.lower_margin	= 0,
+	.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+	.cmap_greyscale	= 0,
+};
+
+static struct pxafb_mach_info sharp_lm8v31 = {
+	.modes          = &sharp_lm8v31_mode,
+	.num_modes      = 1,
+	.cmap_inverse	= 0,
+	.cmap_static	= 0,
+	.lcd_conn	= LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL |
+			  LCD_AC_BIAS_FREQ(255),
+	.pxafb_backlight_power = &idp_backlight_power,
+	.pxafb_lcd_power = &idp_lcd_power
+};
+
+static struct pxamci_platform_data idp_mci_platform_data = {
+	.ocr_mask		= MMC_VDD_32_33|MMC_VDD_33_34,
+};
+
+static void __init idp_init(void)
+{
+	printk("idp_init()\n");
+
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(idp_pin_config));
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
+	platform_device_register(&smc91x_device);
+	//platform_device_register(&mst_audio_device);
+	pxa_set_fb_info(NULL, &sharp_lm8v31);
+	pxa_set_mci_info(&idp_mci_platform_data);
+}
+
+static struct map_desc idp_io_desc[] __initdata = {
+  	{
+		.virtual	=  IDP_COREVOLT_VIRT,
+		.pfn		= __phys_to_pfn(IDP_COREVOLT_PHYS),
+		.length		= IDP_COREVOLT_SIZE,
+		.type		= MT_DEVICE
+	}, {
+		.virtual	=  IDP_CPLD_VIRT,
+		.pfn		= __phys_to_pfn(IDP_CPLD_PHYS),
+		.length		= IDP_CPLD_SIZE,
+		.type		= MT_DEVICE
+	}
+};
+
+static void __init idp_map_io(void)
+{
+	pxa25x_map_io();
+	iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
+}
+
+/* LEDs */
+#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
+struct idp_led {
+	struct led_classdev     cdev;
+	u8                      mask;
+};
+
+/*
+ * The triggers lines up below will only be used if the
+ * LED triggers are compiled in.
+ */
+static const struct {
+	const char *name;
+	const char *trigger;
+} idp_leds[] = {
+	{ "idp:green", "heartbeat", },
+	{ "idp:red", "cpu0", },
+};
+
+static void idp_led_set(struct led_classdev *cdev,
+		enum led_brightness b)
+{
+	struct idp_led *led = container_of(cdev,
+			struct idp_led, cdev);
+	u32 reg = IDP_CPLD_LED_CONTROL;
+
+	if (b != LED_OFF)
+		reg &= ~led->mask;
+	else
+		reg |= led->mask;
+
+	IDP_CPLD_LED_CONTROL = reg;
+}
+
+static enum led_brightness idp_led_get(struct led_classdev *cdev)
+{
+	struct idp_led *led = container_of(cdev,
+			struct idp_led, cdev);
+
+	return (IDP_CPLD_LED_CONTROL & led->mask) ? LED_OFF : LED_FULL;
+}
+
+static int __init idp_leds_init(void)
+{
+	int i;
+
+	if (!machine_is_pxa_idp())
+		return -ENODEV;
+
+	for (i = 0; i < ARRAY_SIZE(idp_leds); i++) {
+		struct idp_led *led;
+
+		led = kzalloc(sizeof(*led), GFP_KERNEL);
+		if (!led)
+			break;
+
+		led->cdev.name = idp_leds[i].name;
+		led->cdev.brightness_set = idp_led_set;
+		led->cdev.brightness_get = idp_led_get;
+		led->cdev.default_trigger = idp_leds[i].trigger;
+
+		if (i == 0)
+			led->mask = IDP_HB_LED;
+		else
+			led->mask = IDP_BUSY_LED;
+
+		if (led_classdev_register(NULL, &led->cdev) < 0) {
+			kfree(led);
+			break;
+		}
+	}
+
+	return 0;
+}
+
+/*
+ * Since we may have triggers on any subsystem, defer registration
+ * until after subsystem_init.
+ */
+fs_initcall(idp_leds_init);
+#endif
+
+MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
+	/* Maintainer: Vibren Technologies */
+	.map_io		= idp_map_io,
+	.nr_irqs	= PXA_NR_IRQS,
+	.init_irq	= pxa25x_init_irq,
+	.handle_irq	= pxa25x_handle_irq,
+	.init_time	= pxa_timer_init,
+	.init_machine	= idp_init,
+	.restart	= pxa_restart,
+MACHINE_END