kernel/linux.git/drivers/phy/allwinner, branch v4.14.85

phy: allwinner: sun4i-usb: poll vbus changes on A23/A33 when driving VBUS

2018-04-24T07:36:23+00:00

commit d7119224bfe6e8efbf821a52db7da9530d790f07 upstream. The AXP223 PMIC, like the AXP221, does not generate VBUS change interrupts when N_VBUSEN is used to drive VBUS for the OTG port on the board. This was not noticed until recently, as most A23/A33 boards use a GPIO pin that does not support interrupts for OTG ID detection. This forces the driver to use polling. However the A33-OlinuXino uses a pin that does support interrupts, so the driver uses them. However the VBUS interrupt never fires, and the driver never gets to update the VBUS status. This results in musb timing out waiting for VBUS to rise. This was worked around for the AXP221 by resorting to polling changes in commit 91d96f06a760 ("phy-sun4i-usb: Add workaround for missing Vbus det interrupts on A31"). This patch adds the A23 and A33 to the list of SoCs that need the workaround. Fixes: fc1f45ed3043 ("phy-sun4i-usb: Add support for the usb-phys on the sun8i-a33 SoC") Fixes: 123dfdbcfaf5 ("phy-sun4i-usb: Add support for the usb-phys on the sun8i-a23 SoC") Cc: # 4.3.x: 68dbc2ce77bb phy-sun4i-usb: Use of_match_node to get model specific config data Cc: # 4.3.x: 5cf700ac9d50 phy: phy-sun4i-usb: Fix optional gpios failing probe Cc: # 4.3.x: 04e59a0211ff phy-sun4i-usb: Fix irq free conditions to match request conditions Cc: # 4.3.x: 91d96f06a760 phy-sun4i-usb: Add workaround for missing Vbus det interrupts on A31 Cc: # 4.3.x Signed-off-by: Chen-Yu Tsai Acked-by: Maxime Ripard Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Greg Kroah-Hartman Signed-off-by: Kishon Vijay Abraham I

phy: sun4i-usb: Support A83T USB PHYs

2017-08-22T04:41:18+00:00

The A83T has 3 USB PHYs, 1 for OTG, 1 for standard USB, 1 for USB HSIC. The phy initialization procedure is very different from other SoCs, but the PMU bits are the same, with additional bits for HSIC. Signed-off-by: Chen-Yu Tsai Tested-by: Maxime Ripard Signed-off-by: Kishon Vijay Abraham I

phy: sun4i-usb: Support secondary clock for HSIC PHY

2017-08-22T04:41:17+00:00

On the Allwinner A83T SoC, the last USB PHY is an HSIC PHY. It requires two clocks instead of one. On all Allwinner SoCs that share the common USB PHY design supported by the phy-sun4i-usb driver, the first PHY is always tied to OTG, and there is at most one HSIC PHY, typically the last. In this patch we take advantage of these known constraints and store an index in the compatible-string-related config structure describing which PHY is HSIC, needing the extra hsic_12M clock. Signed-off-by: Chen-Yu Tsai Signed-off-by: Kishon Vijay Abraham I

phy: allwinner: phy-sun4i-usb: Add log when probing

2017-07-21T07:36:30+00:00

When phy-sun4i-usb's probing fails, it does not print the reason in kernel log, forcing the developer to edit this driver to add info logs. This commit makes the kernel print the reason of phy-sun4i-usb's probing failure or a success message. Signed-off-by: Quentin Schulz Tested-by: Mylène Josserand Acked-by: Maxime Ripard Signed-off-by: Kishon Vijay Abraham I

phy: Group vendor specific phy drivers

2017-06-01T09:58:33+00:00

Adding vendor specific directories in phy to group phy drivers under their respective vendor umbrella. Also updated the MAINTAINERS file to reflect the correct directory structure for phy drivers. Signed-off-by: Vivek Gautam Acked-by: Heiko Stuebner Acked-by: Viresh Kumar Acked-by: Krzysztof Kozlowski Acked-by: Yoshihiro Shimoda Reviewed-by: Jaehoon Chung Cc: Kishon Vijay Abraham I Cc: David S. Miller Cc: Geert Uytterhoeven Cc: Yoshihiro Shimoda Cc: Guenter Roeck Cc: Heiko Stuebner Cc: Viresh Kumar Cc: Maxime Ripard Cc: Chen-Yu Tsai Cc: Sylwester Nawrocki Cc: Krzysztof Kozlowski Cc: Jaehoon Chung Cc: Stephen Boyd Cc: Martin Blumenstingl Cc: linux-arm-kernel@lists.infradead.org Cc: linux-arm-msm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: linux-omap@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org Cc: linux-rockchip@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-usb@vger.kernel.org Signed-off-by: Kishon Vijay Abraham I