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authorHeiko Stuebner <heiko.stuebner@theobroma-systems.com>2020-06-05 12:06:42 +0200
committerKever Yang <kever.yang@rock-chips.com>2020-06-07 18:57:16 +0800
commitc48cbb9133957989612620800c1e16b0c8bf1613 (patch)
treee5eeb4fc23c57a5358e5de147b0f15b78d2bf88c /board/theobroma-systems/puma_rk3399
parent9bbc13e790c8bfaa4ef38b8bf9b3fbaa56f1df85 (diff)
rockchip: puma: drop special handling of usb host regulator
With the current usb stack in u-boot, all host ports on puma work flawlessly without any additional special handling, so drop that usb hub hacking from the puma board. Tested with mass-storage and usb-ethernet on both usb3 and usb2 ports. Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com> Reviewed-by: Kever Yang <kever.yang@rock-chips.com> Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Diffstat (limited to 'board/theobroma-systems/puma_rk3399')
-rw-r--r--board/theobroma-systems/puma_rk3399/puma-rk3399.c67
1 files changed, 0 insertions, 67 deletions
diff --git a/board/theobroma-systems/puma_rk3399/puma-rk3399.c b/board/theobroma-systems/puma_rk3399/puma-rk3399.c
index 65bb2ad6f2..deeba3084a 100644
--- a/board/theobroma-systems/puma_rk3399/puma-rk3399.c
+++ b/board/theobroma-systems/puma_rk3399/puma-rk3399.c
@@ -152,70 +152,3 @@ void get_board_serial(struct tag_serialnr *serialnr)
serialnr->low = (u32)(serial & 0xffffffff);
}
#endif
-
-/**
- * Switch power at an external regulator (for our root hub).
- *
- * @param ctrl pointer to the xHCI controller
- * @param port port number as in the control message (one-based)
- * @param enable boolean indicating whether to enable or disable power
- * @return returns 0 on success, an error-code on failure
- */
-static int board_usb_port_power_set(struct udevice *dev, int port,
- bool enable)
-{
-#if CONFIG_IS_ENABLED(OF_CONTROL) && CONFIG_IS_ENABLED(DM_REGULATOR)
- /* We start counting ports at 0, while USB counts from 1. */
- int index = port - 1;
- const char *regname = NULL;
- struct udevice *regulator;
- const char *prop = "tsd,usb-port-power";
- int ret;
-
- debug("%s: ctrl '%s' port %d enable %s\n", __func__,
- dev_read_name(dev), port, enable ? "true" : "false");
-
- ret = dev_read_string_index(dev, prop, index, &regname);
- if (ret < 0) {
- debug("%s: ctrl '%s' port %d: no entry in '%s'\n",
- __func__, dev_read_name(dev), port, prop);
- return ret;
- }
-
- ret = regulator_get_by_platname(regname, &regulator);
- if (ret) {
- debug("%s: ctrl '%s' port %d: could not get regulator '%s'\n",
- __func__, dev_read_name(dev), port, regname);
- return ret;
- }
-
- regulator_set_enable(regulator, enable);
- return 0;
-#else
- return -ENOTSUPP;
-#endif
-}
-
-void usb_hub_reset_devices(struct usb_hub_device *hub, int port)
-{
- struct udevice *dev = hub->pusb_dev->dev;
- struct udevice *ctrl;
-
- /* We are only interested in our root-hubs */
- if (usb_hub_is_root_hub(dev) == false)
- return;
-
- ctrl = usb_get_bus(dev);
- if (!ctrl) {
- debug("%s: could not retrieve ctrl for hub\n", __func__);
- return;
- }
-
- /*
- * To work around an incompatibility between the single-threaded
- * USB stack in U-Boot and (a strange low-power mode of) the USB
- * hub we have on-module, we need to delay powering on the hub
- * until the first time the port is probed.
- */
- board_usb_port_power_set(ctrl, port, true);
-}