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9bb86777fb
linux-next/drivers/phy
History
Yoshihiro Shimoda 9bb86777fb phy: rcar-gen3-usb2: add sysfs for usb role swap 
This patch adds sysfs "role" for usb role swap. This parameter can be
read and write. If you use this file as the following, you can swap
the usb role.

For example:
 1) Connect a usb cable using 2 Salvator-x boards
 2) On A-Device (ID pin is low), you input the following command:
   # echo peripheral > /sys/devices/platform/soc/ee080200.usb-phy/role
 3) On B-Device (ID pin is high), you input the following command:
   # echo host > /sys/devices/platform/soc/ee080200.usb-phy/role

Then, the A-device acts as a peripheral and the B-device acts as a host.
Please note that A-Device must input the following command if you
want the board to act as a host again. (even if you disconnect the usb
cable, since id state may be the same, the A-Device keeps to act as
peripheral.)
 # echo host > /sys/devices/platform/soc/ee080200.usb-phy/role

Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
2016-11-18 18:19:15 +05:30
..
tegra phy: tegra: mark tegra_xusb_lane_lookup_function() static 2016-09-10 16:48:35 +05:30
Kconfig phy: stih41x-usb: Remove usb phy driver and dt binding 2016-11-18 18:19:15 +05:30
Makefile phy: stih41x-usb: Remove usb phy driver and dt binding 2016-11-18 18:19:15 +05:30
phy-armada375-usb2.c phy: Constify struct phy_ops variables 2015-08-03 18:35:09 +05:30
phy-bcm-cygnus-pcie.c phy: cygnus: pcie: add missing of_node_put 2015-12-03 12:28:23 +05:30
phy-bcm-kona-usb2.c phy: Constify struct phy_ops variables 2015-08-03 18:35:09 +05:30
phy-bcm-ns2-pcie.c phy: bcm-ns2-pcie: Set missing .owner field in ns2_pci_phy_ops 2016-09-10 16:48:36 +05:30
phy-bcm-ns-usb2.c phy: bcm-ns-usb2: checking the wrong variable 2016-06-17 19:02:08 +05:30
phy-bcm-ns-usb3.c phy: bcm-ns-usb3: new driver for USB 3.0 PHY on Northstar 2016-09-10 16:48:28 +05:30
phy-berlin-sata.c phy: berlin-sata: add missing of_node_put 2015-12-03 12:28:23 +05:30
phy-berlin-usb.c phy: berlin-usb: don't set device's driver_data 2015-12-20 17:43:12 +05:30
phy-brcm-sata.c phy: brcm-sata: Return proper error if brcm_sata_phy_init fails 2016-08-12 14:59:10 +05:30
phy-core.c phy: Add reset callback 2016-09-10 17:31:39 +05:30
phy-da8xx-usb.c phy: da8xx-usb: Configure CFGCHIP2 to support OTG workaround 2016-11-18 18:19:15 +05:30
phy-dm816x-usb.c phy: dm816x: use __maybe_unused to hide pm functions 2016-03-03 20:37:41 -08:00
phy-exynos4x12-usb2.c phy: samsung-usb2: Remove NULL terminating entry from phys array 2015-03-12 11:01:16 +05:30
phy-exynos5-usbdrd.c phy: exynos5-usbdrd: Remove "static" from local variable 2016-09-10 16:48:25 +05:30
phy-exynos4210-usb2.c phy: samsung-usb2: Remove NULL terminating entry from phys array 2015-03-12 11:01:16 +05:30
phy-exynos5250-sata.c phy: Constify struct phy_ops variables 2015-08-03 18:35:09 +05:30
phy-exynos5250-usb2.c phy: samsung-usb2: Remove NULL terminating entry from phys array 2015-03-12 11:01:16 +05:30
phy-exynos-dp-video.c phy: Constify struct phy_ops variables 2015-08-03 18:35:09 +05:30
phy-exynos-mipi-video.c phy: exynos-mipi-video: avoid uninitialized variable use 2016-05-30 18:21:37 +05:30
phy-hi6220-usb.c phy: add phy-hi6220-usb 2015-12-20 15:21:38 +05:30
phy-hix5hd2-sata.c phy: Constify struct phy_ops variables 2015-08-03 18:35:09 +05:30
phy-lpc18xx-usb-otg.c phy: lpc18xx-usb-otg: fix clock order in phy init 2015-08-10 20:11:58 +05:30
phy-meson8b-usb2.c phy: meson8b-usb2: request a shared reset line 2016-11-18 18:19:14 +05:30
phy-miphy28lp.c phy: miphy28lp: Inform the reset framework that our reset line may be shared 2016-07-01 10:51:30 +01:00
phy-mt65xx-usb3.c phy: phy-mt65xx-usb3: add support for mt2701 platform 2016-04-30 20:12:27 +05:30
phy-mvebu-sata.c phy: Constify struct phy_ops variables 2015-08-03 18:35:09 +05:30
phy-omap-control.c New Features 2015-04-10 13:47:50 +02:00
phy-omap-usb2.c phy: omap-usb2: support suspend/resume 2016-09-10 16:48:39 +05:30
phy-pistachio-usb.c PHY: Add driver for Pistachio USB2.0 PHY 2015-06-21 21:53:38 +02:00
phy-pxa-28nm-hsic.c phy: add Marvell HSIC 28nm PHY 2015-06-09 12:20:30 -07:00
phy-pxa-28nm-usb2.c phy: Add Marvell USB 2.0 OTG 28nm PHY 2015-06-09 12:20:30 -07:00
phy-qcom-apq8064-sata.c phy: Constify struct phy_ops variables 2015-08-03 18:35:09 +05:30
phy-qcom-ipq806x-sata.c phy: Constify struct phy_ops variables 2015-08-03 18:35:09 +05:30
phy-qcom-ufs-i.h phy: Constify struct phy_ops variables 2015-08-03 18:35:09 +05:30
phy-qcom-ufs-qmp-14nm.c phy: phy-qcom-ufs-qmp-14nm: Remove site specific OOM error message 2016-07-04 18:07:39 +05:30
phy-qcom-ufs-qmp-14nm.h phy: qcom-ufs: add support for 14nm phy 2015-01-20 19:43:26 +01:00
phy-qcom-ufs-qmp-20nm.c phy: phy-qcom-ufs-qmp-20nm: Remove site specific OOM error message 2016-07-04 18:07:39 +05:30
phy-qcom-ufs-qmp-20nm.h phy: qcom-ufs: add support for 20nm phy 2015-01-20 19:43:25 +01:00
phy-qcom-ufs.c phy: qcom-ufs: use of_property_read_bool 2016-09-10 16:48:29 +05:30
phy-rcar-gen2.c phy: rcar-gen2: add fallback binding 2016-04-29 14:40:07 +05:30
phy-rcar-gen3-usb2.c phy: rcar-gen3-usb2: add sysfs for usb role swap 2016-11-18 18:19:15 +05:30
phy-rockchip-dp.c phy: rockchip-dp: fix return value check in rockchip_dp_phy_probe() 2016-06-17 18:44:24 +05:30
phy-rockchip-emmc.c phy: rockchip-emmc: Wait even longer for the DLL to lock 2016-07-25 10:38:00 +02:00
phy-rockchip-inno-usb2.c phy: rockchip-inno-usb2: correct 480MHz output clock stable time 2016-11-18 18:19:15 +05:30
phy-rockchip-pcie.c phy-rockchip-pcie: remove deassert of phy_rst from exit callback 2016-11-05 13:45:02 +05:30
phy-rockchip-typec.c phy: rockchip-typec: add pm runtime support 2016-09-10 17:13:29 +05:30
phy-rockchip-usb.c phy: rockchip-usb: use rockchip_usb_phy_reset to reset phy during wakeup 2016-09-10 17:31:40 +05:30
phy-s5pv210-usb2.c phy: Add support for S5PV210 to the Exynos USB 2.0 PHY driver 2014-07-19 04:25:09 +09:00
phy-samsung-usb2.c phy: exynos-usb2: add vbus regulator support 2015-10-06 20:21:47 +05:30
phy-samsung-usb2.h phy: exynos-usb2: add vbus regulator support 2015-10-06 20:21:47 +05:30
phy-spear1310-miphy.c phy: Constify struct phy_ops variables 2015-08-03 18:35:09 +05:30
phy-spear1340-miphy.c phy: Constify struct phy_ops variables 2015-08-03 18:35:09 +05:30
phy-stih407-usb.c phy: phy-stih407-usb: Use explicit reset_control_get_exclusive() API 2016-07-01 10:52:09 +01:00
phy-sun4i-usb.c phy: sun4i: check PMU presence when poking unknown bit of pmu 2016-11-05 13:45:02 +05:30
phy-sun9i-usb.c phy: sun9i-usb: fix error handling 2016-08-12 14:59:10 +05:30
phy-ti-pipe3.c phy: ti-pipe3: Program the DPLL even if it was already locked 2016-06-03 12:06:41 +05:30
phy-tusb1210.c This is the bulk of GPIO changes for the v4.3 kernel cycle: 2015-09-04 10:07:45 -07:00
phy-twl4030-usb.c phy-twl4030-usb: initialize charging-related stuff via pm_runtime 2016-09-14 10:59:12 +05:30
phy-xgene.c phy: xgene: rename "enum phy_mode" to "enum xgene_phy_mode" 2016-07-04 17:19:21 +05:30
ulpi_phy.h phy: ulpi_phy: Add const qualifier to ops 2015-08-03 18:35:09 +05:30