1 files changed, 146 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/usb-da8xx.c b/arch/arm/mach-davinci/usb-da8xx.c
new file mode 100644
index 000000000..9c8fc5031
--- /dev/null
+++ b/arch/arm/mach-davinci/usb-da8xx.c
@@ -0,0 +1,146 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * DA8xx USB
+ */
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/mfd/da8xx-cfgchip.h>
+#include <linux/mfd/syscon.h>
+#include <linux/phy/phy.h>
+#include <linux/platform_data/clk-da8xx-cfgchip.h>
+#include <linux/platform_data/phy-da8xx-usb.h>
+#include <linux/platform_data/usb-davinci.h>
+#include <linux/platform_device.h>
+#include <linux/usb/musb.h>
+
+#include "common.h"
+#include "cputype.h"
+#include "da8xx.h"
+#include "irqs.h"
+
+#define DA8XX_USB0_BASE		0x01e00000
+#define DA8XX_USB1_BASE		0x01e25000
+
+#ifndef CONFIG_COMMON_CLK
+static struct clk *usb20_clk;
+#endif
+
+static struct da8xx_usb_phy_platform_data da8xx_usb_phy_pdata;
+
+static struct platform_device da8xx_usb_phy = {
+	.name		= "da8xx-usb-phy",
+	.id		= -1,
+	.dev		= {
+		/*
+		 * Setting init_name so that clock lookup will work in
+		 * da8xx_register_usb11_phy_clk() even if this device is not
+		 * registered yet.
+		 */
+		.init_name	= "da8xx-usb-phy",
+		.platform_data	= &da8xx_usb_phy_pdata,
+	},
+};
+
+int __init da8xx_register_usb_phy(void)
+{
+	da8xx_usb_phy_pdata.cfgchip = da8xx_get_cfgchip();
+
+	return platform_device_register(&da8xx_usb_phy);
+}
+
+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		= DAVINCI_INTC_IRQ(IRQ_DA8XX_USB_INT),
+		.flags		= IORESOURCE_IRQ,
+		.name		= "mc",
+	},
+};
+
+static u64 usb_dmamask = DMA_BIT_MASK(32);
+
+static struct platform_device da8xx_usb20_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(&da8xx_usb20_dev);
+}
+
+static struct resource da8xx_usb11_resources[] = {
+	[0] = {
+		.start	= DA8XX_USB1_BASE,
+		.end	= DA8XX_USB1_BASE + SZ_4K - 1,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= DAVINCI_INTC_IRQ(IRQ_DA8XX_IRQN),
+		.end	= DAVINCI_INTC_IRQ(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-da8xx",
+	.id		= -1,
+	.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);
+}
+
+static struct platform_device da8xx_usb_phy_clks_device = {
+	.name		= "da830-usb-phy-clks",
+	.id		= -1,
+};
+
+int __init da8xx_register_usb_phy_clocks(void)
+{
+	struct da8xx_cfgchip_clk_platform_data pdata;
+
+	pdata.cfgchip = da8xx_get_cfgchip();
+	da8xx_usb_phy_clks_device.dev.platform_data = &pdata;
+
+	return platform_device_register(&da8xx_usb_phy_clks_device);
+}