Linux-libre 4.7.1-gnupck-4.7.1-gnu

16 files changed, 176 insertions, 199 deletions

diff --git a/arch/arm/mach-davinci/Makefile b/arch/arm/mach-davinci/Makefile
index 2e3464b8b..da4c336b4 100644
--- a/arch/arm/mach-davinci/Makefile
+++ b/arch/arm/mach-davinci/Makefile
@@ -14,8 +14,8 @@ obj-$(CONFIG_ARCH_DAVINCI_DM644x)       += dm644x.o devices.o
 obj-$(CONFIG_ARCH_DAVINCI_DM355)        += dm355.o devices.o
 obj-$(CONFIG_ARCH_DAVINCI_DM646x)       += dm646x.o devices.o
 obj-$(CONFIG_ARCH_DAVINCI_DM365)	+= dm365.o devices.o
-obj-$(CONFIG_ARCH_DAVINCI_DA830)        += da830.o devices-da8xx.o
-obj-$(CONFIG_ARCH_DAVINCI_DA850)        += da850.o devices-da8xx.o
+obj-$(CONFIG_ARCH_DAVINCI_DA830)	+= da830.o devices-da8xx.o usb-da8xx.o
+obj-$(CONFIG_ARCH_DAVINCI_DA850)	+= da850.o devices-da8xx.o usb-da8xx.o
 
 obj-$(CONFIG_AINTC)			+= irq.o
 obj-$(CONFIG_CP_INTC)			+= cp_intc.o
diff --git a/arch/arm/mach-davinci/clock.c b/arch/arm/mach-davinci/clock.c
index 3424eac6b..df42c93a9 100644
--- a/arch/arm/mach-davinci/clock.c
+++ b/arch/arm/mach-davinci/clock.c
@@ -195,6 +195,14 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
 		return -EINVAL;
 
 	mutex_lock(&clocks_mutex);
+	if (clk->set_parent) {
+		int ret = clk->set_parent(clk, parent);
+
+		if (ret) {
+			mutex_unlock(&clocks_mutex);
+			return ret;
+		}
+	}
 	clk->parent = parent;
 	list_del_init(&clk->childnode);
 	list_add(&clk->childnode, &clk->parent->children);
@@ -224,8 +232,17 @@ int clk_register(struct clk *clk)
 
 	mutex_lock(&clocks_mutex);
 	list_add_tail(&clk->node, &clocks);
-	if (clk->parent)
+	if (clk->parent) {
+		if (clk->set_parent) {
+			int ret = clk->set_parent(clk, clk->parent);
+
+			if (ret) {
+				mutex_unlock(&clocks_mutex);
+				return ret;
+			}
+		}
 		list_add_tail(&clk->childnode, &clk->parent->children);
+	}
 	mutex_unlock(&clocks_mutex);
 
 	/* If rate is already set, use it */
@@ -560,7 +577,7 @@ EXPORT_SYMBOL(davinci_set_pllrate);
  * than that used by default in <soc>.c file. The reference clock rate
  * should be updated early in the boot process; ideally soon after the
  * clock tree has been initialized once with the default reference clock
- * rate (davinci_common_init()).
+ * rate (davinci_clk_init()).
  *
  * Returns 0 on success, error otherwise.
  */
diff --git a/arch/arm/mach-davinci/clock.h b/arch/arm/mach-davinci/clock.h
index 1e4e83617..e2a5437a1 100644
--- a/arch/arm/mach-davinci/clock.h
+++ b/arch/arm/mach-davinci/clock.h
@@ -106,6 +106,7 @@ struct clk {
 	int (*reset) (struct clk *clk, bool reset);
 	void (*clk_enable) (struct clk *clk);
 	void (*clk_disable) (struct clk *clk);
+	int (*set_parent) (struct clk *clk, struct clk *parent);
 };
 
 /* Clock flags: SoC-specific flags start at BIT(16) */
diff --git a/arch/arm/mach-davinci/common.c b/arch/arm/mach-davinci/common.c
index 742133b72..049025f6d 100644
--- a/arch/arm/mach-davinci/common.c
+++ b/arch/arm/mach-davinci/common.c
@@ -108,12 +108,6 @@ void __init davinci_common_init(struct davinci_soc_info *soc_info)
 	if (ret < 0)
 		goto err;
 
-	if (davinci_soc_info.cpu_clks) {
-		ret = davinci_clk_init(davinci_soc_info.cpu_clks);
-
-		if (ret != 0)
-			goto err;
-	}
 
 	return;
 
diff --git a/arch/arm/mach-davinci/cp_intc.c b/arch/arm/mach-davinci/cp_intc.c
index 1a68d2477..94085d210 100644
--- a/arch/arm/mach-davinci/cp_intc.c
+++ b/arch/arm/mach-davinci/cp_intc.c
@@ -12,6 +12,7 @@
 #include <linux/export.h>
 #include <linux/init.h>
 #include <linux/irq.h>
+#include <linux/irqchip.h>
 #include <linux/irqdomain.h>
 #include <linux/io.h>
 #include <linux/of.h>
@@ -210,3 +211,5 @@ void __init cp_intc_init(void)
 {
 	cp_intc_of_init(NULL, NULL);
 }
+
+IRQCHIP_DECLARE(cp_intc, "ti,cp-intc", cp_intc_of_init);
diff --git a/arch/arm/mach-davinci/da830.c b/arch/arm/mach-davinci/da830.c
index 7187e7fc2..426fd7477 100644
--- a/arch/arm/mach-davinci/da830.c
+++ b/arch/arm/mach-davinci/da830.c
@@ -1214,4 +1214,6 @@ void __init da830_init(void)
 
 	da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
 	WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module");
+
+	davinci_clk_init(davinci_soc_info_da830.cpu_clks);
 }
diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 97d8779a9..239886299 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -34,9 +34,6 @@
 #include "clock.h"
 #include "mux.h"
 
-/* SoC specific clock flags */
-#define DA850_CLK_ASYNC3	BIT(16)
-
 #define DA850_PLL1_BASE		0x01e1a000
 #define DA850_TIMER64P2_BASE	0x01f0c000
 #define DA850_TIMER64P3_BASE	0x01f0d000
@@ -161,6 +158,32 @@ static struct clk pll1_sysclk3 = {
 	.div_reg	= PLLDIV3,
 };
 
+static int da850_async3_set_parent(struct clk *clk, struct clk *parent)
+{
+	u32 val;
+
+	val = readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
+
+	if (parent == &pll0_sysclk2) {
+		val &= ~CFGCHIP3_ASYNC3_CLKSRC;
+	} else if (parent == &pll1_sysclk2) {
+		val |= CFGCHIP3_ASYNC3_CLKSRC;
+	} else {
+		pr_err("Bad parent on async3 clock mux\n");
+		return -EINVAL;
+	}
+
+	writel(val, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
+
+	return 0;
+}
+
+static struct clk async3_clk = {
+	.name		= "async3",
+	.parent		= &pll1_sysclk2,
+	.set_parent	= da850_async3_set_parent,
+};
+
 static struct clk i2c0_clk = {
 	.name		= "i2c0",
 	.parent		= &pll0_aux_clk,
@@ -234,18 +257,16 @@ static struct clk uart0_clk = {
 
 static struct clk uart1_clk = {
 	.name		= "uart1",
-	.parent		= &pll0_sysclk2,
+	.parent		= &async3_clk,
 	.lpsc		= DA8XX_LPSC1_UART1,
 	.gpsc		= 1,
-	.flags		= DA850_CLK_ASYNC3,
 };
 
 static struct clk uart2_clk = {
 	.name		= "uart2",
-	.parent		= &pll0_sysclk2,
+	.parent		= &async3_clk,
 	.lpsc		= DA8XX_LPSC1_UART2,
 	.gpsc		= 1,
-	.flags		= DA850_CLK_ASYNC3,
 };
 
 static struct clk aintc_clk = {
@@ -300,10 +321,9 @@ static struct clk emac_clk = {
 
 static struct clk mcasp_clk = {
 	.name		= "mcasp",
-	.parent		= &pll0_sysclk2,
+	.parent		= &async3_clk,
 	.lpsc		= DA8XX_LPSC1_McASP0,
 	.gpsc		= 1,
-	.flags		= DA850_CLK_ASYNC3,
 };
 
 static struct clk lcdc_clk = {
@@ -355,10 +375,9 @@ static struct clk spi0_clk = {
 
 static struct clk spi1_clk = {
 	.name		= "spi1",
-	.parent		= &pll0_sysclk2,
+	.parent		= &async3_clk,
 	.lpsc		= DA8XX_LPSC1_SPI1,
 	.gpsc		= 1,
-	.flags		= DA850_CLK_ASYNC3,
 };
 
 static struct clk vpif_clk = {
@@ -386,10 +405,9 @@ static struct clk dsp_clk = {
 
 static struct clk ehrpwm_clk = {
 	.name		= "ehrpwm",
-	.parent		= &pll0_sysclk2,
+	.parent		= &async3_clk,
 	.lpsc		= DA8XX_LPSC1_PWM,
 	.gpsc		= 1,
-	.flags		= DA850_CLK_ASYNC3,
 };
 
 #define DA8XX_EHRPWM_TBCLKSYNC	BIT(12)
@@ -421,10 +439,9 @@ static struct clk ehrpwm_tbclk = {
 
 static struct clk ecap_clk = {
 	.name		= "ecap",
-	.parent		= &pll0_sysclk2,
+	.parent		= &async3_clk,
 	.lpsc		= DA8XX_LPSC1_ECAP,
 	.gpsc		= 1,
-	.flags		= DA850_CLK_ASYNC3,
 };
 
 static struct clk_lookup da850_clks[] = {
@@ -442,6 +459,7 @@ static struct clk_lookup da850_clks[] = {
 	CLK(NULL,		"pll1_aux",	&pll1_aux_clk),
 	CLK(NULL,		"pll1_sysclk2",	&pll1_sysclk2),
 	CLK(NULL,		"pll1_sysclk3",	&pll1_sysclk3),
+	CLK(NULL,		"async3",	&async3_clk),
 	CLK("i2c_davinci.1",	NULL,		&i2c0_clk),
 	CLK(NULL,		"timer0",	&timerp64_0_clk),
 	CLK("davinci-wdt",	NULL,		&timerp64_1_clk),
@@ -909,30 +927,6 @@ static struct davinci_timer_info da850_timer_info = {
 	.clocksource_id	= T0_TOP,
 };
 
-static void da850_set_async3_src(int pllnum)
-{
-	struct clk *clk, *newparent = pllnum ? &pll1_sysclk2 : &pll0_sysclk2;
-	struct clk_lookup *c;
-	unsigned int v;
-	int ret;
-
-	for (c = da850_clks; c->clk; c++) {
-		clk = c->clk;
-		if (clk->flags & DA850_CLK_ASYNC3) {
-			ret = clk_set_parent(clk, newparent);
-			WARN(ret, "DA850: unable to re-parent clock %s",
-								clk->name);
-		}
-       }
-
-	v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
-	if (pllnum)
-		v |= CFGCHIP3_ASYNC3_CLKSRC;
-	else
-		v &= ~CFGCHIP3_ASYNC3_CLKSRC;
-	__raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
-}
-
 #ifdef CONFIG_CPU_FREQ
 /*
  * Notes:
@@ -1328,15 +1322,6 @@ void __init da850_init(void)
 	if (WARN(!da8xx_syscfg1_base, "Unable to map syscfg1 module"))
 		return;
 
-	/*
-	 * Move the clock source of Async3 domain to PLL1 SYSCLK2.
-	 * This helps keeping the peripherals on this domain insulated
-	 * from CPU frequency changes caused by DVFS. The firmware sets
-	 * both PLL0 and PLL1 to the same frequency so, there should not
-	 * be any noticeable change even in non-DVFS use cases.
-	 */
-	da850_set_async3_src(1);
-
 	/* Unlock writing to PLL0 registers */
 	v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG));
 	v &= ~CFGCHIP0_PLL_MASTER_LOCK;
@@ -1346,4 +1331,6 @@ void __init da850_init(void)
 	v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
 	v &= ~CFGCHIP3_PLL1_MASTER_LOCK;
 	__raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
+
+	davinci_clk_init(davinci_soc_info_da850.cpu_clks);
 }
diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
index c4b5808ca..754f47811 100644
--- a/arch/arm/mach-davinci/da8xx-dt.c
+++ b/arch/arm/mach-davinci/da8xx-dt.c
@@ -18,20 +18,9 @@
 #include "cp_intc.h"
 #include <mach/da8xx.h>
 
-#define DA8XX_NUM_UARTS	3
-
-static const struct of_device_id const da8xx_irq_match[] __initconst = {
-	{ .compatible = "ti,cp-intc", .data = cp_intc_of_init, },
-	{ }
-};
-
-static void __init da8xx_init_irq(void)
-{
-	of_irq_init(da8xx_irq_match);
-}
-
 static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
 	OF_DEV_AUXDATA("ti,davinci-i2c", 0x01c22000, "i2c_davinci.1", NULL),
+	OF_DEV_AUXDATA("ti,davinci-i2c", 0x01e28000, "i2c_davinci.2", NULL),
 	OF_DEV_AUXDATA("ti,davinci-wdt", 0x01c21000, "davinci-wdt", NULL),
 	OF_DEV_AUXDATA("ti,da830-mmc", 0x01c40000, "da830-mmc.0", NULL),
 	OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f00000, "ehrpwm", NULL),
@@ -39,6 +28,7 @@ static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
 	OF_DEV_AUXDATA("ti,da850-ecap", 0x01f06000, "ecap", NULL),
 	OF_DEV_AUXDATA("ti,da850-ecap", 0x01f07000, "ecap", NULL),
 	OF_DEV_AUXDATA("ti,da850-ecap", 0x01f08000, "ecap", NULL),
+	OF_DEV_AUXDATA("ti,da830-spi", 0x01c41000, "spi_davinci.0", NULL),
 	OF_DEV_AUXDATA("ti,da830-spi", 0x01f0e000, "spi_davinci.1", NULL),
 	OF_DEV_AUXDATA("ns16550a", 0x01c42000, "serial8250.0", NULL),
 	OF_DEV_AUXDATA("ns16550a", 0x01d0c000, "serial8250.1", NULL),
@@ -54,9 +44,7 @@ static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
 
 static void __init da850_init_machine(void)
 {
-	of_platform_populate(NULL, of_default_bus_match_table,
-			     da850_auxdata_lookup, NULL);
-
+	of_platform_default_populate(NULL, da850_auxdata_lookup, NULL);
 }
 
 static const char *const da850_boards_compat[] __initconst = {
@@ -68,7 +56,6 @@ static const char *const da850_boards_compat[] __initconst = {
 
 DT_MACHINE_START(DA850_DT, "Generic DA850/OMAP-L138/AM18x")
 	.map_io		= da850_init,
-	.init_irq	= da8xx_init_irq,
 	.init_time	= davinci_timer_init,
 	.init_machine	= da850_init_machine,
 	.dt_compat	= da850_boards_compat,
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 725e69363..add3771d3 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -751,16 +751,6 @@ static struct resource da8xx_mmcsd0_resources[] = {
 		.end	= IRQ_DA8XX_MMCSDINT0,
 		.flags	= IORESOURCE_IRQ,
 	},
-	{		/* DMA RX */
-		.start	= DA8XX_DMA_MMCSD0_RX,
-		.end	= DA8XX_DMA_MMCSD0_RX,
-		.flags	= IORESOURCE_DMA,
-	},
-	{		/* DMA TX */
-		.start	= DA8XX_DMA_MMCSD0_TX,
-		.end	= DA8XX_DMA_MMCSD0_TX,
-		.flags	= IORESOURCE_DMA,
-	},
 };
 
 static struct platform_device da8xx_mmcsd0_device = {
@@ -788,16 +778,6 @@ static struct resource da850_mmcsd1_resources[] = {
 		.end	= IRQ_DA850_MMCSDINT0_1,
 		.flags	= IORESOURCE_IRQ,
 	},
-	{		/* DMA RX */
-		.start	= DA850_DMA_MMCSD1_RX,
-		.end	= DA850_DMA_MMCSD1_RX,
-		.flags	= IORESOURCE_DMA,
-	},
-	{		/* DMA TX */
-		.start	= DA850_DMA_MMCSD1_TX,
-		.end	= DA850_DMA_MMCSD1_TX,
-		.flags	= IORESOURCE_DMA,
-	},
 };
 
 static struct platform_device da850_mmcsd1_device = {
diff --git a/arch/arm/mach-davinci/devices.c b/arch/arm/mach-davinci/devices.c
index 6257aa452..67d26c5bd 100644
--- a/arch/arm/mach-davinci/devices.c
+++ b/arch/arm/mach-davinci/devices.c
@@ -144,14 +144,6 @@ static struct resource mmcsd0_resources[] = {
 		.start = IRQ_SDIOINT,
 		.flags = IORESOURCE_IRQ,
 	},
-	/* DMA channels: RX, then TX */
-	{
-		.start = EDMA_CTLR_CHAN(0, DAVINCI_DMA_MMCRXEVT),
-		.flags = IORESOURCE_DMA,
-	}, {
-		.start = EDMA_CTLR_CHAN(0, DAVINCI_DMA_MMCTXEVT),
-		.flags = IORESOURCE_DMA,
-	},
 };
 
 static struct platform_device davinci_mmcsd0_device = {
@@ -181,14 +173,6 @@ static struct resource mmcsd1_resources[] = {
 		.start = IRQ_DM355_SDIOINT1,
 		.flags = IORESOURCE_IRQ,
 	},
-	/* DMA channels: RX, then TX */
-	{
-		.start = EDMA_CTLR_CHAN(0, 30),	/* rx */
-		.flags = IORESOURCE_DMA,
-	}, {
-		.start = EDMA_CTLR_CHAN(0, 31),	/* tx */
-		.flags = IORESOURCE_DMA,
-	},
 };
 
 static struct platform_device davinci_mmcsd1_device = {
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index a0ecf499c..5a19cca7e 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -1052,6 +1052,7 @@ void __init dm355_init(void)
 {
 	davinci_common_init(&davinci_soc_info_dm355);
 	davinci_map_sysmod();
+	davinci_clk_init(davinci_soc_info_dm355.cpu_clks);
 }
 
 int __init dm355_init_video(struct vpfe_config *vpfe_cfg,
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 384d3674d..8aa004b02 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -1176,6 +1176,7 @@ void __init dm365_init(void)
 {
 	davinci_common_init(&davinci_soc_info_dm365);
 	davinci_map_sysmod();
+	davinci_clk_init(davinci_soc_info_dm365.cpu_clks);
 }
 
 static struct resource dm365_vpss_resources[] = {
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index b4b3a8b9c..0afa279ec 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -932,6 +932,7 @@ void __init dm644x_init(void)
 {
 	davinci_common_init(&davinci_soc_info_dm644x);
 	davinci_map_sysmod();
+	davinci_clk_init(davinci_soc_info_dm644x.cpu_clks);
 }
 
 int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
index a43db0f5f..da21353ca 100644
--- a/arch/arm/mach-davinci/dm646x.c
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -956,6 +956,7 @@ void __init dm646x_init(void)
 {
 	davinci_common_init(&davinci_soc_info_dm646x);
 	davinci_map_sysmod();
+	davinci_clk_init(davinci_soc_info_dm646x.cpu_clks);
 }
 
 static int __init dm646x_init_devices(void)
diff --git a/arch/arm/mach-davinci/usb-da8xx.c b/arch/arm/mach-davinci/usb-da8xx.c
new file mode 100644
index 000000000..f141f5171
--- /dev/null
+++ b/arch/arm/mach-davinci/usb-da8xx.c
@@ -0,0 +1,107 @@
+/*
+ * DA8xx USB
+ */
+#include <linux/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/platform_data/usb-davinci.h>
+#include <linux/platform_device.h>
+#include <linux/usb/musb.h>
+
+#include <mach/common.h>
+#include <mach/cputype.h>
+#include <mach/da8xx.h>
+#include <mach/irqs.h>
+
+#define DA8XX_USB0_BASE		0x01e00000
+#define DA8XX_USB1_BASE		0x01e25000
+
+#if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
+
+static struct musb_hdrc_config musb_config = {
+	.multipoint	= true,
+	.num_eps	= 5,
+	.ram_bits	= 10,
+};
+
+static struct musb_hdrc_platform_data usb_data = {
+	/* OTG requires a Mini-AB connector */
+	.mode           = MUSB_OTG,
+	.clock		= "usb20",
+	.config		= &musb_config,
+};
+
+static struct resource da8xx_usb20_resources[] = {
+	{
+		.start		= DA8XX_USB0_BASE,
+		.end		= DA8XX_USB0_BASE + SZ_64K - 1,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= IRQ_DA8XX_USB_INT,
+		.flags		= IORESOURCE_IRQ,
+		.name		= "mc",
+	},
+};
+
+static u64 usb_dmamask = DMA_BIT_MASK(32);
+
+static struct platform_device usb_dev = {
+	.name		= "musb-da8xx",
+	.id             = -1,
+	.dev = {
+		.platform_data		= &usb_data,
+		.dma_mask		= &usb_dmamask,
+		.coherent_dma_mask      = DMA_BIT_MASK(32),
+	},
+	.resource	= da8xx_usb20_resources,
+	.num_resources	= ARRAY_SIZE(da8xx_usb20_resources),
+};
+
+int __init da8xx_register_usb20(unsigned int mA, unsigned int potpgt)
+{
+	usb_data.power	= mA > 510 ? 255 : mA / 2;
+	usb_data.potpgt = (potpgt + 1) / 2;
+
+	return platform_device_register(&usb_dev);
+}
+
+#else
+
+int __init da8xx_register_usb20(unsigned int mA, unsigned int potpgt)
+{
+	return 0;
+}
+
+#endif  /* CONFIG_USB_MUSB_HDRC */
+
+static struct resource da8xx_usb11_resources[] = {
+	[0] = {
+		.start	= DA8XX_USB1_BASE,
+		.end	= DA8XX_USB1_BASE + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_DA8XX_IRQN,
+		.end	= IRQ_DA8XX_IRQN,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32);
+
+static struct platform_device da8xx_usb11_device = {
+	.name		= "ohci",
+	.id		= 0,
+	.dev = {
+		.dma_mask		= &da8xx_usb11_dma_mask,
+		.coherent_dma_mask	= DMA_BIT_MASK(32),
+	},
+	.num_resources	= ARRAY_SIZE(da8xx_usb11_resources),
+	.resource	= da8xx_usb11_resources,
+};
+
+int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata)
+{
+	da8xx_usb11_device.dev.platform_data = pdata;
+	return platform_device_register(&da8xx_usb11_device);
+}
diff --git a/arch/arm/mach-davinci/usb.c b/arch/arm/mach-davinci/usb.c
index b0a6b5225..0e7e89c1f 100644
--- a/arch/arm/mach-davinci/usb.c
+++ b/arch/arm/mach-davinci/usb.c
@@ -10,36 +10,16 @@
 #include <mach/common.h>
 #include <mach/irqs.h>
 #include <mach/cputype.h>
-#include <mach/da8xx.h>
 #include <linux/platform_data/usb-davinci.h>
 
 #define DAVINCI_USB_OTG_BASE	0x01c64000
 
-#define DA8XX_USB0_BASE 	0x01e00000
-#define DA8XX_USB1_BASE 	0x01e25000
-
 #if IS_ENABLED(CONFIG_USB_MUSB_HDRC)
-static struct musb_hdrc_eps_bits musb_eps[] = {
-	{ "ep1_tx", 8, },
-	{ "ep1_rx", 8, },
-	{ "ep2_tx", 8, },
-	{ "ep2_rx", 8, },
-	{ "ep3_tx", 5, },
-	{ "ep3_rx", 5, },
-	{ "ep4_tx", 5, },
-	{ "ep4_rx", 5, },
-};
-
 static struct musb_hdrc_config musb_config = {
 	.multipoint	= true,
-	.dyn_fifo	= true,
-	.soft_con	= true,
-	.dma		= true,
 
 	.num_eps	= 5,
-	.dma_channels	= 8,
 	.ram_bits	= 10,
-	.eps_bits	= musb_eps,
 };
 
 static struct musb_hdrc_platform_data usb_data = {
@@ -97,79 +77,10 @@ void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
 	platform_device_register(&usb_dev);
 }
 
-#ifdef CONFIG_ARCH_DAVINCI_DA8XX
-static struct resource da8xx_usb20_resources[] = {
-	{
-		.start		= DA8XX_USB0_BASE,
-		.end		= DA8XX_USB0_BASE + SZ_64K - 1,
-		.flags		= IORESOURCE_MEM,
-	},
-	{
-		.start		= IRQ_DA8XX_USB_INT,
-		.flags		= IORESOURCE_IRQ,
-		.name		= "mc",
-	},
-};
-
-int __init da8xx_register_usb20(unsigned mA, unsigned potpgt)
-{
-	usb_data.clock  = "usb20";
-	usb_data.power	= mA > 510 ? 255 : mA / 2;
-	usb_data.potpgt = (potpgt + 1) / 2;
-
-	usb_dev.resource = da8xx_usb20_resources;
-	usb_dev.num_resources = ARRAY_SIZE(da8xx_usb20_resources);
-	usb_dev.name = "musb-da8xx";
-
-	return platform_device_register(&usb_dev);
-}
-#endif	/* CONFIG_DAVINCI_DA8XX */
-
 #else
 
 void __init davinci_setup_usb(unsigned mA, unsigned potpgt_ms)
 {
 }
 
-#ifdef CONFIG_ARCH_DAVINCI_DA8XX
-int __init da8xx_register_usb20(unsigned mA, unsigned potpgt)
-{
-	return 0;
-}
-#endif
-
 #endif  /* CONFIG_USB_MUSB_HDRC */
-
-#ifdef	CONFIG_ARCH_DAVINCI_DA8XX
-static struct resource da8xx_usb11_resources[] = {
-	[0] = {
-		.start	= DA8XX_USB1_BASE,
-		.end	= DA8XX_USB1_BASE + SZ_4K - 1,
-		.flags	= IORESOURCE_MEM,
-	},
-	[1] = {
-		.start	= IRQ_DA8XX_IRQN,
-		.end	= IRQ_DA8XX_IRQN,
-		.flags	= IORESOURCE_IRQ,
-	},
-};
-
-static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32);
-
-static struct platform_device da8xx_usb11_device = {
-	.name		= "ohci",
-	.id		= 0,
-	.dev = {
-		.dma_mask		= &da8xx_usb11_dma_mask,
-		.coherent_dma_mask	= DMA_BIT_MASK(32),
-	},
-	.num_resources	= ARRAY_SIZE(da8xx_usb11_resources),
-	.resource	= da8xx_usb11_resources,
-};
-
-int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata)
-{
-	da8xx_usb11_device.dev.platform_data = pdata;
-	return platform_device_register(&da8xx_usb11_device);
-}
-#endif	/* CONFIG_DAVINCI_DA8XX */