Add the function to register the MUSB platform device.
Signed-off-by: Sergei Shtylyov <[email protected]>
---
The patch is against the recent DaVinci tree plus the OHCI platform patches
that I posted a week ago...
arch/arm/mach-davinci/devices-da8xx.c | 74 +++++++++++++++++++++++++++++
arch/arm/mach-davinci/include/mach/da8xx.h | 1
2 files changed, 75 insertions(+)
Index: linux-davinci/arch/arm/mach-davinci/devices-da8xx.c
===================================================================
--- linux-davinci.orig/arch/arm/mach-davinci/devices-da8xx.c
+++ linux-davinci/arch/arm/mach-davinci/devices-da8xx.c
@@ -16,6 +16,7 @@
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/serial_8250.h>
+#include <linux/usb/musb.h>
#include <mach/cputype.h>
#include <mach/common.h>
@@ -30,6 +31,7 @@
#define DA8XX_TPTC1_BASE 0x01c08400
#define DA8XX_WDOG_BASE 0x01c21000 /*
DA8XX_TIMER64P1_BASE */
#define DA8XX_I2C0_BASE 0x01c22000
+#define DA8XX_USB0_BASE 0x01e00000
#define DA8XX_EMAC_CPPI_PORT_BASE 0x01e20000
#define DA8XX_EMAC_CPGMACSS_BASE 0x01e22000
#define DA8XX_EMAC_CPGMAC_BASE 0x01e23000
@@ -236,6 +238,78 @@ int __init da8xx_register_watchdog(void)
return platform_device_register(&davinci_wdt_device);
}
+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 da8xx_usb20_data = {
+#if defined(CONFIG_USB_MUSB_OTG)
+ /* OTG requires a Mini-AB connector */
+ .mode = MUSB_OTG,
+#elif defined(CONFIG_USB_MUSB_PERIPHERAL)
+ .mode = MUSB_PERIPHERAL,
+#elif defined(CONFIG_USB_MUSB_HOST)
+ .mode = MUSB_HOST,
+#endif
+ .clock = "usb20",
+ .config = &musb_config,
+};
+
+static struct resource da8xx_usb20_resources[] = {
+ {
+ /* physical address */
+ .start = DA8XX_USB0_BASE,
+ .end = DA8XX_USB0_BASE + SZ_64K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_DA8XX_USB_INT,
+ .end = IRQ_DA8XX_USB_INT,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static u64 da8xx_usb20_dmamask = DMA_BIT_MASK(32);
+
+static struct platform_device da8xx_usb20_device = {
+ .name = "musb_hdrc",
+ .id = -1,
+ .dev = {
+ .platform_data = &da8xx_usb20_data,
+ .dma_mask = &da8xx_usb20_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 mA, unsigned potpgt)
+{
+ da8xx_usb20_data.power = mA > 510 ? 255 : mA / 2;
+ da8xx_usb20_data.potpgt = (potpgt + 1) / 2;
+
+ return platform_device_register(&da8xx_usb20_device);
+}
+
static struct resource da8xx_usb11_resources[] = {
[0] = {
.start = DA8XX_USB1_BASE,
Index: linux-davinci/arch/arm/mach-davinci/include/mach/da8xx.h
===================================================================
--- linux-davinci.orig/arch/arm/mach-davinci/include/mach/da8xx.h
+++ linux-davinci/arch/arm/mach-davinci/include/mach/da8xx.h
@@ -73,6 +73,7 @@ void __init da850_init(void);
int da8xx_register_edma(void);
int da8xx_register_i2c(int instance, struct davinci_i2c_platform_data *pdata);
int da8xx_register_watchdog(void);
+int da8xx_register_usb20(unsigned mA, unsigned potpgt);
int da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata);
int da8xx_register_emac(void);
int da8xx_register_lcdc(void);
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