Merge branch 'board-specific' of git://github.com/hzhuang1/linux into…

… next/boards

By Paul Parsons (5) and others
via Haojian Zhuang
* 'board-specific' of git://github.com/hzhuang1/linux:
  pcmcia: add driver for hx4700
  ARM: pxa: Add standard UART to hx4700_pin_config[]
  ARM: mmp: add usb host support for aspen
  ARM: mmp: add usb host support for PXA168
  ARM: mmp: add usb device support for ttc dkb
  ARM: mmp: add usb device support for PXA910
  ARM: pxa: hx4700: Add PCMCIA/CF support
  ARM: pxa: hx4700: Enable ASIC3 GPIO as a wakeup source
  ARM: pxa: hx4700: Initialize DS1WM clock_rate
  ARM: pxa: mioa701 add camera output enable gpio
  ARM: pxa: use ioremap to access CPLD

Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/mach-mmp/Kconfig

@@ -113,4 +113,11 @@ config CPU_MMP2
 	select CPU_PJ4
 	help
 	  Select code specific to MMP2. MMP2 is ARMv7 compatible.
+
+config USB_EHCI_MV_U2O
+        bool "EHCI support for PXA USB OTG controller"
+	depends on USB_EHCI_MV
+	help
+	  Enables support for OTG controller which can be switched to host mode.
+
 endif

arch/arm/mach-mmp/aspenite.c

@@ -17,6 +17,7 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/nand.h>
 #include <linux/interrupt.h>
+#include <linux/platform_data/mv_usb.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -221,6 +222,21 @@ static struct pxa27x_keypad_platform_data aspenite_keypad_info __initdata = {
 	.debounce_interval	= 30,
 };
 
+#if defined(CONFIG_USB_EHCI_MV)
+static char *pxa168_sph_clock_name[] = {
+	[0] = "PXA168-USBCLK",
+};
+
+static struct mv_usb_platform_data pxa168_sph_pdata = {
+	.clknum         = 1,
+	.clkname        = pxa168_sph_clock_name,
+	.mode           = MV_USB_MODE_HOST,
+	.phy_init	= pxa_usb_phy_init,
+	.phy_deinit	= pxa_usb_phy_deinit,
+	.set_vbus	= NULL,
+};
+#endif
+
 static void __init common_init(void)
 {
 	mfp_config(ARRAY_AND_SIZE(common_pin_config));
@@ -236,6 +252,10 @@ static void __init common_init(void)
 
 	/* off-chip devices */
 	platform_device_register(&smc91x_device);
+
+#if defined(CONFIG_USB_EHCI_MV)
+	pxa168_add_usb_host(&pxa168_sph_pdata);
+#endif
 }
 
 MACHINE_START(ASPENITE, "PXA168-based Aspenite Development Platform")

arch/arm/mach-mmp/devices.c

@@ -9,9 +9,13 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
+#include <linux/delay.h>
 
 #include <asm/irq.h>
+#include <mach/irqs.h>
 #include <mach/devices.h>
+#include <mach/cputype.h>
+#include <mach/regs-usb.h>
 
 int __init pxa_register_device(struct pxa_device_desc *desc,
 				void *data, size_t size)
@@ -67,3 +71,281 @@ int __init pxa_register_device(struct pxa_device_desc *desc,
 
 	return platform_device_add(pdev);
 }
+
+#if defined(CONFIG_USB) || defined(CONFIG_USB_GADGET)
+
+/*****************************************************************************
+ * The registers read/write routines
+ *****************************************************************************/
+
+static unsigned int u2o_get(void __iomem *base, unsigned int offset)
+{
+	return readl_relaxed(base + offset);
+}
+
+static void u2o_set(void __iomem *base, unsigned int offset,
+		unsigned int value)
+{
+	u32 reg;
+
+	reg = readl_relaxed(base + offset);
+	reg |= value;
+	writel_relaxed(reg, base + offset);
+	readl_relaxed(base + offset);
+}
+
+static void u2o_clear(void __iomem *base, unsigned int offset,
+		unsigned int value)
+{
+	u32 reg;
+
+	reg = readl_relaxed(base + offset);
+	reg &= ~value;
+	writel_relaxed(reg, base + offset);
+	readl_relaxed(base + offset);
+}
+
+static void u2o_write(void __iomem *base, unsigned int offset,
+		unsigned int value)
+{
+	writel_relaxed(value, base + offset);
+	readl_relaxed(base + offset);
+}
+
+#if defined(CONFIG_USB_MV_UDC) || defined(CONFIG_USB_EHCI_MV)
+
+#if defined(CONFIG_CPU_PXA910) || defined(CONFIG_CPU_PXA168)
+
+static DEFINE_MUTEX(phy_lock);
+static int phy_init_cnt;
+
+static int usb_phy_init_internal(void __iomem *base)
+{
+	int loops;
+
+	pr_info("Init usb phy!!!\n");
+
+	/* Initialize the USB PHY power */
+	if (cpu_is_pxa910()) {
+		u2o_set(base, UTMI_CTRL, (1<<UTMI_CTRL_INPKT_DELAY_SOF_SHIFT)
+			| (1<<UTMI_CTRL_PU_REF_SHIFT));
+	}
+
+	u2o_set(base, UTMI_CTRL, 1<<UTMI_CTRL_PLL_PWR_UP_SHIFT);
+	u2o_set(base, UTMI_CTRL, 1<<UTMI_CTRL_PWR_UP_SHIFT);
+
+	/* UTMI_PLL settings */
+	u2o_clear(base, UTMI_PLL, UTMI_PLL_PLLVDD18_MASK
+		| UTMI_PLL_PLLVDD12_MASK | UTMI_PLL_PLLCALI12_MASK
+		| UTMI_PLL_FBDIV_MASK | UTMI_PLL_REFDIV_MASK
+		| UTMI_PLL_ICP_MASK | UTMI_PLL_KVCO_MASK);
+
+	u2o_set(base, UTMI_PLL, 0xee<<UTMI_PLL_FBDIV_SHIFT
+		| 0xb<<UTMI_PLL_REFDIV_SHIFT | 3<<UTMI_PLL_PLLVDD18_SHIFT
+		| 3<<UTMI_PLL_PLLVDD12_SHIFT | 3<<UTMI_PLL_PLLCALI12_SHIFT
+		| 1<<UTMI_PLL_ICP_SHIFT | 3<<UTMI_PLL_KVCO_SHIFT);
+
+	/* UTMI_TX */
+	u2o_clear(base, UTMI_TX, UTMI_TX_REG_EXT_FS_RCAL_EN_MASK
+		| UTMI_TX_TXVDD12_MASK | UTMI_TX_CK60_PHSEL_MASK
+		| UTMI_TX_IMPCAL_VTH_MASK | UTMI_TX_REG_EXT_FS_RCAL_MASK
+		| UTMI_TX_AMP_MASK);
+	u2o_set(base, UTMI_TX, 3<<UTMI_TX_TXVDD12_SHIFT
+		| 4<<UTMI_TX_CK60_PHSEL_SHIFT | 4<<UTMI_TX_IMPCAL_VTH_SHIFT
+		| 8<<UTMI_TX_REG_EXT_FS_RCAL_SHIFT | 3<<UTMI_TX_AMP_SHIFT);
+
+	/* UTMI_RX */
+	u2o_clear(base, UTMI_RX, UTMI_RX_SQ_THRESH_MASK
+		| UTMI_REG_SQ_LENGTH_MASK);
+	u2o_set(base, UTMI_RX, 7<<UTMI_RX_SQ_THRESH_SHIFT
+		| 2<<UTMI_REG_SQ_LENGTH_SHIFT);
+
+	/* UTMI_IVREF */
+	if (cpu_is_pxa168())
+		/* fixing Microsoft Altair board interface with NEC hub issue -
+		 * Set UTMI_IVREF from 0x4a3 to 0x4bf */
+		u2o_write(base, UTMI_IVREF, 0x4bf);
+
+	/* toggle VCOCAL_START bit of UTMI_PLL */
+	udelay(200);
+	u2o_set(base, UTMI_PLL, VCOCAL_START);
+	udelay(40);
+	u2o_clear(base, UTMI_PLL, VCOCAL_START);
+
+	/* toggle REG_RCAL_START bit of UTMI_TX */
+	udelay(400);
+	u2o_set(base, UTMI_TX, REG_RCAL_START);
+	udelay(40);
+	u2o_clear(base, UTMI_TX, REG_RCAL_START);
+	udelay(400);
+
+	/* Make sure PHY PLL is ready */
+	loops = 0;
+	while ((u2o_get(base, UTMI_PLL) & PLL_READY) == 0) {
+		mdelay(1);
+		loops++;
+		if (loops > 100) {
+			printk(KERN_WARNING "calibrate timeout, UTMI_PLL %x\n",
+				u2o_get(base, UTMI_PLL));
+			break;
+		}
+	}
+
+	if (cpu_is_pxa168()) {
+		u2o_set(base, UTMI_RESERVE, 1 << 5);
+		/* Turn on UTMI PHY OTG extension */
+		u2o_write(base, UTMI_OTG_ADDON, 1);
+	}
+
+	return 0;
+}
+
+static int usb_phy_deinit_internal(void __iomem *base)
+{
+	pr_info("Deinit usb phy!!!\n");
+
+	if (cpu_is_pxa168())
+		u2o_clear(base, UTMI_OTG_ADDON, UTMI_OTG_ADDON_OTG_ON);
+
+	u2o_clear(base, UTMI_CTRL, UTMI_CTRL_RXBUF_PDWN);
+	u2o_clear(base, UTMI_CTRL, UTMI_CTRL_TXBUF_PDWN);
+	u2o_clear(base, UTMI_CTRL, UTMI_CTRL_USB_CLK_EN);
+	u2o_clear(base, UTMI_CTRL, 1<<UTMI_CTRL_PWR_UP_SHIFT);
+	u2o_clear(base, UTMI_CTRL, 1<<UTMI_CTRL_PLL_PWR_UP_SHIFT);
+
+	return 0;
+}
+
+int pxa_usb_phy_init(void __iomem *phy_reg)
+{
+	mutex_lock(&phy_lock);
+	if (phy_init_cnt++ == 0)
+		usb_phy_init_internal(phy_reg);
+	mutex_unlock(&phy_lock);
+	return 0;
+}
+
+void pxa_usb_phy_deinit(void __iomem *phy_reg)
+{
+	WARN_ON(phy_init_cnt == 0);
+
+	mutex_lock(&phy_lock);
+	if (--phy_init_cnt == 0)
+		usb_phy_deinit_internal(phy_reg);
+	mutex_unlock(&phy_lock);
+}
+#endif
+#endif
+#endif
+
+#ifdef CONFIG_USB_SUPPORT
+static u64 usb_dma_mask = ~(u32)0;
+
+#ifdef CONFIG_USB_MV_UDC
+struct resource pxa168_u2o_resources[] = {
+	/* regbase */
+	[0] = {
+		.start	= PXA168_U2O_REGBASE + U2x_CAPREGS_OFFSET,
+		.end	= PXA168_U2O_REGBASE + USB_REG_RANGE,
+		.flags	= IORESOURCE_MEM,
+		.name	= "capregs",
+	},
+	/* phybase */
+	[1] = {
+		.start	= PXA168_U2O_PHYBASE,
+		.end	= PXA168_U2O_PHYBASE + USB_PHY_RANGE,
+		.flags	= IORESOURCE_MEM,
+		.name	= "phyregs",
+	},
+	[2] = {
+		.start	= IRQ_PXA168_USB1,
+		.end	= IRQ_PXA168_USB1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device pxa168_device_u2o = {
+	.name		= "mv-udc",
+	.id		= -1,
+	.resource	= pxa168_u2o_resources,
+	.num_resources	= ARRAY_SIZE(pxa168_u2o_resources),
+	.dev		=  {
+		.dma_mask	= &usb_dma_mask,
+		.coherent_dma_mask = 0xffffffff,
+	}
+};
+#endif /* CONFIG_USB_MV_UDC */
+
+#ifdef CONFIG_USB_EHCI_MV_U2O
+struct resource pxa168_u2oehci_resources[] = {
+	/* regbase */
+	[0] = {
+		.start	= PXA168_U2O_REGBASE + U2x_CAPREGS_OFFSET,
+		.end	= PXA168_U2O_REGBASE + USB_REG_RANGE,
+		.flags	= IORESOURCE_MEM,
+		.name	= "capregs",
+	},
+	/* phybase */
+	[1] = {
+		.start	= PXA168_U2O_PHYBASE,
+		.end	= PXA168_U2O_PHYBASE + USB_PHY_RANGE,
+		.flags	= IORESOURCE_MEM,
+		.name	= "phyregs",
+	},
+	[2] = {
+		.start	= IRQ_PXA168_USB1,
+		.end	= IRQ_PXA168_USB1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device pxa168_device_u2oehci = {
+	.name		= "pxa-u2oehci",
+	.id		= -1,
+	.dev		= {
+		.dma_mask		= &usb_dma_mask,
+		.coherent_dma_mask	= 0xffffffff,
+	},
+
+	.num_resources	= ARRAY_SIZE(pxa168_u2oehci_resources),
+	.resource	= pxa168_u2oehci_resources,
+};
+#endif
+
+#if defined(CONFIG_USB_MV_OTG)
+struct resource pxa168_u2ootg_resources[] = {
+	/* regbase */
+	[0] = {
+		.start	= PXA168_U2O_REGBASE + U2x_CAPREGS_OFFSET,
+		.end	= PXA168_U2O_REGBASE + USB_REG_RANGE,
+		.flags	= IORESOURCE_MEM,
+		.name	= "capregs",
+	},
+	/* phybase */
+	[1] = {
+		.start	= PXA168_U2O_PHYBASE,
+		.end	= PXA168_U2O_PHYBASE + USB_PHY_RANGE,
+		.flags	= IORESOURCE_MEM,
+		.name	= "phyregs",
+	},
+	[2] = {
+		.start	= IRQ_PXA168_USB1,
+		.end	= IRQ_PXA168_USB1,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device pxa168_device_u2ootg = {
+	.name		= "mv-otg",
+	.id		= -1,
+	.dev  = {
+		.dma_mask          = &usb_dma_mask,
+		.coherent_dma_mask = 0xffffffff,
+	},
+
+	.num_resources	= ARRAY_SIZE(pxa168_u2ootg_resources),
+	.resource      = pxa168_u2ootg_resources,
+};
+#endif /* CONFIG_USB_MV_OTG */
+
+#endif

arch/arm/mach-mmp/include/mach/devices.h

@@ -50,4 +50,7 @@ struct pxa_device_desc mmp2_device_##_name __initdata = {		\
 }
 
 extern int pxa_register_device(struct pxa_device_desc *, void *, size_t);
+extern int pxa_usb_phy_init(void __iomem *phy_reg);
+extern void pxa_usb_phy_deinit(void __iomem *phy_reg);
+
 #endif /* __MACH_DEVICE_H */

arch/arm/mach-mmp/include/mach/pxa168.h

@@ -16,6 +16,7 @@ extern void pxa168_clear_keypad_wakeup(void);
 #include <plat/pxa27x_keypad.h>
 #include <mach/cputype.h>
 #include <linux/pxa168_eth.h>
+#include <linux/platform_data/mv_usb.h>
 
 extern struct pxa_device_desc pxa168_device_uart1;
 extern struct pxa_device_desc pxa168_device_uart2;
@@ -36,12 +37,9 @@ extern struct pxa_device_desc pxa168_device_fb;
 extern struct pxa_device_desc pxa168_device_keypad;
 extern struct pxa_device_desc pxa168_device_eth;
 
-struct pxa168_usb_pdata {
-	/* If NULL, default phy init routine for PXA168 would be called */
-	int (*phy_init)(void __iomem *usb_phy_reg_base);
-};
 /* pdata can be NULL */
-int __init pxa168_add_usb_host(struct pxa168_usb_pdata *pdata);
+extern int __init pxa168_add_usb_host(struct mv_usb_platform_data *pdata);
+
 
 extern struct platform_device pxa168_device_gpio;
 

arch/arm/mach-mmp/include/mach/pxa910.h

@@ -20,6 +20,9 @@ extern struct pxa_device_desc pxa910_device_pwm2;
 extern struct pxa_device_desc pxa910_device_pwm3;
 extern struct pxa_device_desc pxa910_device_pwm4;
 extern struct pxa_device_desc pxa910_device_nand;
+extern struct platform_device pxa168_device_u2o;
+extern struct platform_device pxa168_device_u2ootg;
+extern struct platform_device pxa168_device_u2oehci;
 
 extern struct platform_device pxa910_device_gpio;
 extern struct platform_device pxa910_device_rtc;