[PATCH 7/7] mx31moboard: support for usbh1 and usbh2
Valentin Longchamp
valentin.longchamp at epfl.ch
Thu Nov 19 09:23:08 EST 2009
Signed-off-by: Valentin Longchamp <valentin.longchamp at epfl.ch>
---
arch/arm/mach-mx3/Kconfig | 1 +
arch/arm/mach-mx3/mx31moboard-devboard.c | 86 ++++++++++++++++++++++++++++++
arch/arm/mach-mx3/mx31moboard-marxbot.c | 86 ++++++++++++++++++++++++++++++
arch/arm/mach-mx3/mx31moboard.c | 65 ++++++++++++++++++++++
4 files changed, 238 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index 851f245..89371d3 100644
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -61,6 +61,7 @@ config MACH_MX31_3DS
config MACH_MX31MOBOARD
bool "Support mx31moboard platforms (EPFL Mobots group)"
select ARCH_MX31
+ select MXC_ULPI
help
Include support for mx31moboard platform. This includes specific
configurations for the board and its peripherals.
diff --git a/arch/arm/mach-mx3/mx31moboard-devboard.c b/arch/arm/mach-mx3/mx31moboard-devboard.c
index 5592cdb..438428e 100644
--- a/arch/arm/mach-mx3/mx31moboard-devboard.c
+++ b/arch/arm/mach-mx3/mx31moboard-devboard.c
@@ -22,11 +22,15 @@
#include <linux/platform_device.h>
#include <linux/types.h>
+#include <linux/usb/otg.h>
+
#include <mach/common.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/hardware.h>
#include <mach/mmc.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
#include "devices.h"
@@ -39,6 +43,12 @@ static unsigned int devboard_pins[] = {
MX31_PIN_PC_READY__SD2_DATA1, MX31_PIN_PC_WAIT_B__SD2_DATA0,
MX31_PIN_PC_CD2_B__SD2_CLK, MX31_PIN_PC_CD1_B__SD2_CMD,
MX31_PIN_ATA_DIOR__GPIO3_28, MX31_PIN_ATA_DIOW__GPIO3_29,
+ /* USB H1 */
+ MX31_PIN_CSPI1_MISO__USBH1_RXDP, MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
+ MX31_PIN_CSPI1_SS0__USBH1_TXDM, MX31_PIN_CSPI1_SS1__USBH1_TXDP,
+ MX31_PIN_CSPI1_SS2__USBH1_RCV, MX31_PIN_CSPI1_SCLK__USBH1_OEB,
+ MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, MX31_PIN_SFS6__USBH1_SUSPEND,
+ MX31_PIN_NFRE_B__GPIO1_11, MX31_PIN_NFALE__GPIO1_12,
};
static struct imxuart_platform_data uart_pdata = {
@@ -98,6 +108,80 @@ static struct imxmmc_platform_data sdhc2_pdata = {
.exit = devboard_sdhc2_exit,
};
+#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
+ PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+
+static int devboard_usbh1_hw_init(struct platform_device *pdev)
+{
+ mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
+
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_SFS6, USB_PAD_CFG);
+
+ return 0;
+}
+
+#define USBH1_VBUSEN_B IOMUX_TO_GPIO(MX31_PIN_NFRE_B)
+#define USBH1_MODE IOMUX_TO_GPIO(MX31_PIN_NFALE)
+
+static int devboard_isp1105_init(struct otg_transceiver *otg)
+{
+ int ret = gpio_request(USBH1_MODE, "usbh1-mode");
+ if (ret)
+ return ret;
+ /* single ended */
+ gpio_direction_output(USBH1_MODE, 0);
+
+ ret = gpio_request(USBH1_VBUSEN_B, "usbh1-vbusen");
+ if (ret) {
+ gpio_free(USBH1_MODE);
+ return ret;
+ }
+ gpio_direction_output(USBH1_VBUSEN_B, 1);
+
+ return 0;
+}
+
+
+static int devboard_isp1105_set_vbus(struct otg_transceiver *otg, bool on)
+{
+ if (on)
+ gpio_set_value(USBH1_VBUSEN_B, 0);
+ else
+ gpio_set_value(USBH1_VBUSEN_B, 1);
+
+ return 0;
+}
+
+static struct mxc_usbh_platform_data usbh1_pdata = {
+ .init = devboard_usbh1_hw_init,
+ .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
+ .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_SINGLE_UNI,
+};
+
+static int __init devboard_usbh1_init(void)
+{
+ struct otg_transceiver *otg;
+
+ otg = kzalloc(sizeof(*otg), GFP_KERNEL);
+ if (!otg)
+ return -ENOMEM;
+
+ otg->label = "ISP1105";
+ otg->init = devboard_isp1105_init;
+ otg->set_vbus = devboard_isp1105_set_vbus;
+
+ usbh1_pdata.otg = otg;
+
+ return mxc_register_device(&mxc_usbh1, &usbh1_pdata);
+}
+
/*
* system init for baseboard usage. Will be called by mx31moboard init.
*/
@@ -111,4 +195,6 @@ void __init mx31moboard_devboard_init(void)
mxc_register_device(&mxc_uart_device1, &uart_pdata);
mxc_register_device(&mxcsdhc_device1, &sdhc2_pdata);
+
+ devboard_usbh1_init();
}
diff --git a/arch/arm/mach-mx3/mx31moboard-marxbot.c b/arch/arm/mach-mx3/mx31moboard-marxbot.c
index 65887d2..f2fbedf 100644
--- a/arch/arm/mach-mx3/mx31moboard-marxbot.c
+++ b/arch/arm/mach-mx3/mx31moboard-marxbot.c
@@ -25,11 +25,15 @@
#include <linux/spi/spi.h>
#include <linux/types.h>
+#include <linux/usb/otg.h>
+
#include <mach/common.h>
#include <mach/hardware.h>
#include <mach/imx-uart.h>
#include <mach/iomux-mx3.h>
#include <mach/mmc.h>
+#include <mach/mxc_ehci.h>
+#include <mach/ulpi.h>
#include <media/soc_camera.h>
@@ -56,6 +60,12 @@ static unsigned int marxbot_pins[] = {
MX31_PIN_STXD5__GPIO1_21, MX31_PIN_SRXD5__GPIO1_22,
/*battery detection */
MX31_PIN_LCS0__GPIO3_23,
+ /* USB H1 */
+ MX31_PIN_CSPI1_MISO__USBH1_RXDP, MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
+ MX31_PIN_CSPI1_SS0__USBH1_TXDM, MX31_PIN_CSPI1_SS1__USBH1_TXDP,
+ MX31_PIN_CSPI1_SS2__USBH1_RCV, MX31_PIN_CSPI1_SCLK__USBH1_OEB,
+ MX31_PIN_CSPI1_SPI_RDY__USBH1_FS, MX31_PIN_SFS6__USBH1_SUSPEND,
+ MX31_PIN_NFRE_B__GPIO1_11, MX31_PIN_NFALE__GPIO1_12,
};
#define SDHC2_CD IOMUX_TO_GPIO(MX31_PIN_ATA_DIOR)
@@ -213,6 +223,80 @@ static int __init marxbot_cam_init(void)
return 0;
}
+#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
+ PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
+
+static int marxbot_usbh1_hw_init(struct platform_device *pdev)
+{
+ mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
+
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_SFS6, USB_PAD_CFG);
+
+ return 0;
+}
+
+#define USBH1_VBUSEN_B IOMUX_TO_GPIO(MX31_PIN_NFRE_B)
+#define USBH1_MODE IOMUX_TO_GPIO(MX31_PIN_NFALE)
+
+static int marxbot_isp1105_init(struct otg_transceiver *otg)
+{
+ int ret = gpio_request(USBH1_MODE, "usbh1-mode");
+ if (ret)
+ return ret;
+ /* single ended */
+ gpio_direction_output(USBH1_MODE, 0);
+
+ ret = gpio_request(USBH1_VBUSEN_B, "usbh1-vbusen");
+ if (ret) {
+ gpio_free(USBH1_MODE);
+ return ret;
+ }
+ gpio_direction_output(USBH1_VBUSEN_B, 1);
+
+ return 0;
+}
+
+
+static int marxbot_isp1105_set_vbus(struct otg_transceiver *otg, bool on)
+{
+ if (on)
+ gpio_set_value(USBH1_VBUSEN_B, 0);
+ else
+ gpio_set_value(USBH1_VBUSEN_B, 1);
+
+ return 0;
+}
+
+static struct mxc_usbh_platform_data usbh1_pdata = {
+ .init = marxbot_usbh1_hw_init,
+ .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
+ .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_SINGLE_UNI,
+};
+
+static int __init marxbot_usbh1_init(void)
+{
+ struct otg_transceiver *otg;
+
+ otg = kzalloc(sizeof(*otg), GFP_KERNEL);
+ if (!otg)
+ return -ENOMEM;
+
+ otg->label = "ISP1105";
+ otg->init = marxbot_isp1105_init;
+ otg->set_vbus = marxbot_isp1105_set_vbus;
+
+ usbh1_pdata.otg = otg;
+
+ return mxc_register_device(&mxc_usbh1, &usbh1_pdata);
+}
+
/*
* system init for baseboard usage. Will be called by mx31moboard init.
*/
@@ -237,4 +321,6 @@ void __init mx31moboard_marxbot_init(void)
gpio_request(IOMUX_TO_GPIO(MX31_PIN_LCS0), "bat-present");
gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_LCS0));
gpio_export(IOMUX_TO_GPIO(MX31_PIN_LCS0), false);
+
+ marxbot_usbh1_init();
}
diff --git a/arch/arm/mach-mx3/mx31moboard.c b/arch/arm/mach-mx3/mx31moboard.c
index 8e65cb7..394e430 100644
--- a/arch/arm/mach-mx3/mx31moboard.c
+++ b/arch/arm/mach-mx3/mx31moboard.c
@@ -32,6 +32,9 @@
#include <linux/spi/spi.h>
#include <linux/types.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
+
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
@@ -44,8 +47,10 @@
#include <mach/ipu.h>
#include <mach/i2c.h>
#include <mach/mmc.h>
+#include <mach/mxc_ehci.h>
#include <mach/mx3_camera.h>
#include <mach/spi.h>
+#include <mach/ulpi.h>
#include "devices.h"
@@ -79,6 +84,15 @@ static unsigned int moboard_pins[] = {
MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
MX31_PIN_USB_OC__GPIO1_30,
+ /* USB H2 */
+ MX31_PIN_USBH2_DATA0__USBH2_DATA0,
+ MX31_PIN_USBH2_DATA1__USBH2_DATA1,
+ MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
+ MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
+ MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
+ MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
+ MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
+ MX31_PIN_SCK6__GPIO1_25,
/* LEDs */
MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
@@ -332,6 +346,56 @@ static struct fsl_usb2_platform_data usb_pdata = {
.phy_mode = FSL_USB2_PHY_ULPI,
};
+#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
+
+static int moboard_usbh2_hw_init(struct platform_device *pdev)
+{
+ int ret = gpio_request(USBH2_EN_B, "usbh2-en");
+ if (ret)
+ return ret;
+
+ mxc_iomux_set_gpr(MUX_PGP_UH2, true);
+
+ mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
+ mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
+
+ gpio_direction_output(USBH2_EN_B, 0);
+
+ return 0;
+}
+
+static int moboard_usbh2_hw_exit(struct platform_device *pdev)
+{
+ gpio_free(USBH2_EN_B);
+ return 0;
+}
+
+static struct mxc_usbh_platform_data usbh2_pdata = {
+ .init = moboard_usbh2_hw_init,
+ .exit = moboard_usbh2_hw_exit,
+ .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
+ .flags = MXC_EHCI_POWER_PINS_ENABLED,
+};
+
+static int __init moboard_usbh2_init(void)
+{
+ usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
+ USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
+
+ return mxc_register_device(&mxc_usbh2, &usbh2_pdata);
+}
+
+
static struct gpio_led mx31moboard_leds[] = {
{
.name = "coreboard-led-0:red:running",
@@ -472,6 +536,7 @@ static void __init mxc_board_init(void)
moboard_usbotg_init();
mxc_register_device(&mxc_otg_udc_device, &usb_pdata);
+ moboard_usbh2_init();
switch (mx31moboard_baseboard) {
case MX31NOBOARD:
--
1.6.3.3
More information about the linux-arm-kernel
mailing list