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authorStefan Agner <stefan.agner@toradex.com>2017-03-10 01:17:52 (GMT)
committerStefano Babic <sbabic@denx.de>2017-03-19 16:29:20 (GMT)
commit5a986dfeef889d281bb807f328418983ea7c0832 (patch)
tree116611866985768cc08ef4c5ae38d7a743959709 /board
parent9af131e3550bdc18b823c093b6a32346a7909569 (diff)
downloadu-boot-fsl-qoriq-5a986dfeef889d281bb807f328418983ea7c0832.tar.xz
colibri_imx7: implement board level USB PHY mode
Implement board level USB PHY mode callback. On USB OTG Port 1 the Colibri standard foresees GPIO USBC_DET to decide whether the port should run in Host or Device mode. Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Diffstat (limited to 'board')
-rw-r--r--board/toradex/colibri_imx7/colibri_imx7.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/board/toradex/colibri_imx7/colibri_imx7.c b/board/toradex/colibri_imx7/colibri_imx7.c
index e1340c3..c03bde1 100644
--- a/board/toradex/colibri_imx7/colibri_imx7.c
+++ b/board/toradex/colibri_imx7/colibri_imx7.c
@@ -23,6 +23,7 @@
#include <netdev.h>
#include <power/pmic.h>
#include <power/rn5t567_pmic.h>
+#include <usb.h>
#include <usb/ehci-ci.h>
#include "../common/tdx-common.h"
@@ -46,6 +47,8 @@ DECLARE_GLOBAL_DATA_PTR;
#define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU5KOHM)
+#define USB_CDET_GPIO IMX_GPIO_NR(7, 14)
+
int dram_init(void)
{
gd->ram_size = get_ram_size((void *)PHYS_SDRAM, PHYS_SDRAM_SIZE);
@@ -71,6 +74,12 @@ static iomux_v3_cfg_t const usdhc1_pads[] = {
MX7D_PAD_GPIO1_IO00__GPIO1_IO0 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
+#ifdef CONFIG_USB_EHCI_MX7
+static iomux_v3_cfg_t const usb_cdet_pads[] = {
+ MX7D_PAD_ENET1_CRS__GPIO7_IO14 | MUX_PAD_CTRL(NO_PAD_CTRL),
+};
+#endif
+
#ifdef CONFIG_NAND_MXS
static iomux_v3_cfg_t const gpmi_pads[] = {
MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL),
@@ -319,6 +328,11 @@ int board_init(void)
setup_lcd();
#endif
+#ifdef CONFIG_USB_EHCI_MX7
+ imx_iomux_v3_setup_multiple_pads(usb_cdet_pads, ARRAY_SIZE(usb_cdet_pads));
+ gpio_request(USB_CDET_GPIO, "usb-cdet-gpio");
+#endif
+
return 0;
}
@@ -417,4 +431,18 @@ int board_ehci_hcd_init(int port)
}
return 0;
}
+
+int board_usb_phy_mode(int port)
+{
+ switch (port) {
+ case 0:
+ if (gpio_get_value(USB_CDET_GPIO))
+ return USB_INIT_DEVICE;
+ else
+ return USB_INIT_HOST;
+ case 1:
+ default:
+ return USB_INIT_HOST;
+ }
+}
#endif