Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
---
arch/arm/mach-mx3/Kconfig | 1 +
arch/arm/mach-mx3/pcm037.c | 135 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 136 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index 194b842..4bb7d69 100644
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -30,6 +30,7 @@ config MACH_MX31ADS_WM1133_EV1
config MACH_PCM037
bool "Support Phytec pcm037 (i.MX31) platforms"
select ARCH_MX31
+ select MXC_ULPI
help
Include support for Phytec pcm037 platform. This includes
specific configurations for the board and its peripherals.
diff --git a/arch/arm/mach-mx3/pcm037.c b/arch/arm/mach-mx3/pcm037.c
index b5227d8..dd16452 100644
--- a/arch/arm/mach-mx3/pcm037.c
+++ b/arch/arm/mach-mx3/pcm037.c
@@ -28,6 +28,7 @@
#include <linux/interrupt.h>
#include <linux/i2c.h>
#include <linux/i2c/at24.h>
+#include <linux/delay.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -43,6 +44,8 @@
#ifdef CONFIG_I2C_IMX
#include <mach/i2c.h>
#endif
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
#include "devices.h"
@@ -210,6 +213,136 @@ static int uart2_pins[] = {
MX31_PIN_CSPI3_MISO__TXD3
};
+static int isp1504_set_vbus_power(void __iomem *view, int on)
+{
+ int vid, pid, ret = 0;
+
+ vid = (ulpi_read(ISP1504_VID_HIGH, view) << 8) |
+ ulpi_read(ISP1504_VID_LOW, view);
+ pid = (ulpi_read(ISP1504_PID_HIGH, view) << 8) |
+ ulpi_read(ISP1504_PID_LOW, view);
+
+ pr_info("ULPI Vendor ID 0x%x Product ID 0x%x\n", vid, pid);
+ if (vid != 0x4cc || pid != 0x1504) {
+ pr_err("No ISP1504 found\n");
+ return -1;
+ }
+
+ if (on) {
+ ret = ulpi_set(DRV_VBUS_EXT | /* enable external Vbus */
+ DRV_VBUS | /* enable internal Vbus */
+ USE_EXT_VBUS_IND | /* use external indicator */
+ CHRG_VBUS, /* charge Vbus */
+ ISP1504_OTGCTL, view);
+ } else {
+ ret = ulpi_clear(DRV_VBUS_EXT | /* disable external Vbus */
+ DRV_VBUS, /* disable internal Vbus */
+ ISP1504_OTGCTL, view);
+
+ ret |= ulpi_set(USE_EXT_VBUS_IND | /* use external indicator */
+ DISCHRG_VBUS, /* discharge Vbus */
+ ISP1504_OTGCTL, view);
+ }
+
+ return ret;
+}
+
+static int pcm037_otg_init(struct platform_device *pdev)
+{
+ int ret;
+ unsigned int tmp;
+
+ tmp = readl(IO_ADDRESS(OTG_BASE_ADDR) + 0x600);
+ tmp &= ~((3 << 21) | 1);
+ tmp |= (1 << 5) | (1 << 16) | (1 << 19) | (1 << 11) | (1 << 20);
+ writel(tmp, IO_ADDRESS(OTG_BASE_ADDR) + 0x600);
+
+ tmp = readl(IO_ADDRESS(OTG_BASE_ADDR) + 0x184);
+ tmp &= ~(3 << 30);
+ tmp |= 2 << 30;
+ writel(tmp, IO_ADDRESS(OTG_BASE_ADDR) + 0x184);
+
+ mxc_iomux_mode(MX31_PIN_USBOTG_DATA0__USBOTG_DATA0);
+ mxc_iomux_mode(MX31_PIN_USBOTG_DATA1__USBOTG_DATA1);
+ mxc_iomux_mode(MX31_PIN_USBOTG_DATA2__USBOTG_DATA2);
+ mxc_iomux_mode(MX31_PIN_USBOTG_DATA3__USBOTG_DATA3);
+ mxc_iomux_mode(MX31_PIN_USBOTG_DATA4__USBOTG_DATA4);
+ mxc_iomux_mode(MX31_PIN_USBOTG_DATA5__USBOTG_DATA5);
+ mxc_iomux_mode(MX31_PIN_USBOTG_DATA6__USBOTG_DATA6);
+ mxc_iomux_mode(MX31_PIN_USBOTG_DATA7__USBOTG_DATA7);
+ mxc_iomux_mode(MX31_PIN_USBOTG_CLK__USBOTG_CLK);
+ mxc_iomux_mode(MX31_PIN_USBOTG_DIR__USBOTG_DIR);
+ mxc_iomux_mode(MX31_PIN_USBOTG_NXT__USBOTG_NXT);
+ mxc_iomux_mode(MX31_PIN_USBOTG_STP__USBOTG_STP);
+
+ mdelay(10);
+
+ ret = isp1504_set_vbus_power(IO_ADDRESS(OTG_BASE_ADDR + 0x170), 1);
+
+ return 0;
+}
+
+struct mxc_usbh_platform_data otg_pdata = {
+ .init = pcm037_otg_init,
+};
+
+static int pcm037_usbh2_init(struct platform_device *pdev)
+{
+ int ret;
+ unsigned int tmp;
+
+ tmp = readl(IO_ADDRESS(IOMUXC_BASE_ADDR + 0x8));
+ tmp |= 1 << 11;
+ writel(tmp, IO_ADDRESS(IOMUXC_BASE_ADDR + 0x8));
+
+ mxc_iomux_mode(IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC));
+ mxc_iomux_mode(IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC));
+ mxc_iomux_mode(IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC));
+ mxc_iomux_mode(IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC));
+ mxc_iomux_mode(IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC));
+ mxc_iomux_mode(IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC));
+ mxc_iomux_mode(IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC));
+ mxc_iomux_mode(IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC));
+ mxc_iomux_mode(IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC));
+ mxc_iomux_mode(IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC));
+ mxc_iomux_mode(IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC));
+ mxc_iomux_mode(IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC));
+
+#define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+ mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */
+ mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */
+ mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG); /* USBH2_DATA2 */
+ mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG); /* USBH2_DATA3 */
+ mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG); /* USBH2_DATA4 */
+ mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG); /* USBH2_DATA5 */
+ mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG); /* USBH2_DATA6 */
+ mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG); /* USBH2_DATA7 */
+
+ tmp = readl(IO_ADDRESS(OTG_BASE_ADDR) + 0x600);
+ tmp &= ~((3 << 21) | 1);
+ tmp |= (1 << 5) | (1 << 16) | (1 << 19) | (1 << 20);
+ writel(tmp, IO_ADDRESS(OTG_BASE_ADDR) + 0x600);
+
+ tmp = readl(IO_ADDRESS(OTG_BASE_ADDR) + 0x584);
+ tmp &= ~(3 << 30);
+ tmp |= 2 << 30;
+ writel(tmp, IO_ADDRESS(OTG_BASE_ADDR) + 0x584);
+
+ mdelay(10);
+
+ ret = isp1504_set_vbus_power(IO_ADDRESS(OTG_BASE_ADDR + 0x570), 1);
+
+ return 0;
+}
+
+struct mxc_usbh_platform_data usbh2_pdata = {
+ .init = pcm037_usbh2_init,
+};
+
/*
* Board specific initialization.
*/
@@ -239,6 +372,8 @@ static void __init mxc_board_init(void)
#endif
mxc_register_device(&mxc_nand_device, &pcm037_nand_board_info);
mxc_register_device(&mxcsdhc_device0, &sdhc_pdata);
+ mxc_register_device(&mxc_otg, &otg_pdata);
+ mxc_register_device(&mxc_usbh2, &usbh2_pdata);
}
static void __init pcm037_timer_init(void)
--
1.6.2.1
--
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