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authorPiotr Wilczek <p.wilczek@samsung.com>2013-11-21 15:46:45 +0100
committerMinkyu Kang <mk7.kang@samsung.com>2013-12-02 11:22:32 +0900
commitab8efbb283a6c9cf8cb1d4a26e040c924417e7c7 (patch)
tree3a030d7400512f8d31ec7a42fc5481fbfde5e4d0 /board/samsung/trats2/trats2.c
parent4498cf252bfd7f69a4e9aedd897306211a0be5af (diff)
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trats2: enable ums support on Trats2
This patch adds support for USB and enables 'ums' command on Trats2 board. Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Diffstat (limited to 'board/samsung/trats2/trats2.c')
-rw-r--r--board/samsung/trats2/trats2.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/board/samsung/trats2/trats2.c b/board/samsung/trats2/trats2.c
index d44d825..b932a60 100644
--- a/board/samsung/trats2/trats2.c
+++ b/board/samsung/trats2/trats2.c
@@ -25,6 +25,9 @@
#include <power/max77693_fg.h>
#include <libtizen.h>
#include <errno.h>
+#include <usb.h>
+#include <usb/s3c_udc.h>
+#include <usb_mass_storage.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -308,6 +311,95 @@ int board_mmc_init(bd_t *bis)
return err0 & err2;
}
+#ifdef CONFIG_USB_GADGET
+static int s5pc210_phy_control(int on)
+{
+ int ret = 0;
+ unsigned int val;
+ struct pmic *p, *p_pmic, *p_muic;
+
+ p_pmic = pmic_get("MAX77686_PMIC");
+ if (!p_pmic)
+ return -ENODEV;
+
+ if (pmic_probe(p_pmic))
+ return -1;
+
+ p_muic = pmic_get("MAX77693_MUIC");
+ if (!p_muic)
+ return -ENODEV;
+
+ if (pmic_probe(p_muic))
+ return -1;
+
+ if (on) {
+ ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_ON);
+ if (ret)
+ return -1;
+
+ p = pmic_get("MAX77693_PMIC");
+ if (!p)
+ return -ENODEV;
+
+ if (pmic_probe(p))
+ return -1;
+
+ /* SAFEOUT */
+ ret = pmic_reg_read(p, MAX77693_SAFEOUT, &val);
+ if (ret)
+ return -1;
+
+ val |= MAX77693_ENSAFEOUT1;
+ ret = pmic_reg_write(p, MAX77693_SAFEOUT, val);
+ if (ret)
+ return -1;
+
+ /* PATH: USB */
+ ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
+ MAX77693_MUIC_CTRL1_DN1DP2);
+
+ } else {
+ ret = max77686_set_ldo_mode(p_pmic, 12, OPMODE_LPM);
+ if (ret)
+ return -1;
+
+ /* PATH: UART */
+ ret = pmic_reg_write(p_muic, MAX77693_MUIC_CONTROL1,
+ MAX77693_MUIC_CTRL1_UT1UR2);
+ }
+
+ if (ret)
+ return -1;
+
+ return 0;
+}
+
+struct s3c_plat_otg_data s5pc210_otg_data = {
+ .phy_control = s5pc210_phy_control,
+ .regs_phy = EXYNOS4X12_USBPHY_BASE,
+ .regs_otg = EXYNOS4X12_USBOTG_BASE,
+ .usb_phy_ctrl = EXYNOS4X12_USBPHY_CONTROL,
+ .usb_flags = PHY0_SLEEP,
+};
+
+int board_usb_init(int index, enum usb_init_type init)
+{
+ debug("USB_udc_probe\n");
+ return s3c_udc_probe(&s5pc210_otg_data);
+}
+
+#ifdef CONFIG_USB_CABLE_CHECK
+int usb_cable_connected(void)
+{
+ struct pmic *muic = pmic_get("MAX77693_MUIC");
+ if (!muic)
+ return 0;
+
+ return !!muic->chrg->chrg_type(muic);
+}
+#endif
+#endif
+
static int pmic_init_max77686(void)
{
struct pmic *p = pmic_get("MAX77686_PMIC");