[U-Boot] [PATCH 2/2] rockchip: Init driver otg_data for rk3288 usb phy
Kever Yang
kever.yang at rock-chips.com
Wed Oct 16 09:13:32 UTC 2019
RK3288 needs to init the otg_data in board level to make the phy driver
work.
Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
---
arch/arm/mach-rockchip/board.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/arch/arm/mach-rockchip/board.c b/arch/arm/mach-rockchip/board.c
index c4b0b9dfe2..c90eb976d0 100644
--- a/arch/arm/mach-rockchip/board.c
+++ b/arch/arm/mach-rockchip/board.c
@@ -82,6 +82,34 @@ int board_usb_init(int index, enum usb_init_type init)
}
otg_data.regs_otg = ofnode_get_addr(node);
+#ifdef CONFIG_ROCKCHIP_RK3288
+ int ret;
+ u32 phandle, offset;
+ ofnode phy_node;
+
+ ret = ofnode_read_u32(node, "phys", &phandle);
+ if (ret)
+ return ret;
+
+ node = ofnode_get_by_phandle(phandle);
+ if (!ofnode_valid(node)) {
+ debug("Not found usb phy device\n");
+ return -ENODEV;
+ }
+
+ phy_node = ofnode_get_parent(node);
+ if (!ofnode_valid(node)) {
+ debug("Not found usb phy device\n");
+ return -ENODEV;
+ }
+
+ otg_data.phy_of_node = phy_node;
+ ret = ofnode_read_u32(node, "reg", &offset);
+ if (ret)
+ return ret;
+ otg_data.regs_phy = offset +
+ (u32)syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+#endif
return dwc2_udc_probe(&otg_data);
}
--
2.17.1
More information about the U-Boot
mailing list