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Author SHA1 Message Date
Christoph Muellner 043f42edbf phy: rockchip-emmc: Allow to set drive impedance via DTS. 
The rockchip-emmc PHY can be configured with different
drive impedance values. Currenlty a value of 50 Ohm is
hard coded into the driver.

This patch introduces the DTS property 'drive-impedance-ohm'
for the rockchip-emmc phy node, which uses the value from the DTS
to setup the drive impedance accordingly.

Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
 2019-04-17 14:12:58 +05:30
Rob Herring ac9ba7dc86 phy: Convert to using %pOFn instead of device_node.name 
In preparation to remove the node name pointer from struct device_node,
convert printf users to use the %pOFn format specifier.

Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
 2018-09-25 16:10:07 +05:30
Shawn Lin 95cc6e7217 phy: rockchip-emmc: use regmap_read_poll_timeout to poll dllrdy 
Just use the API instead of open-coding it, no functional change
intended.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
 2018-03-08 13:56:23 +05:30
Shawn Lin a4781c2a74 phy: rockchip-emmc: retry calpad busy trimming 
It turns out that 5us isn't enough for all cases, so let's
retry some more times to wait for caldone.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Tested-by: Ziyuan Xu <xzy.xu@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
 2018-03-08 13:56:22 +05:30
Vivek Gautam 0b56e9a7e8 phy: Group vendor specific phy drivers 
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 <vivek.gautam@codeaurora.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Kishon Vijay Abraham I <kishon@ti.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Cc: Chen-Yu Tsai <wens@csie.org>
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Stephen Boyd <stephen.boyd@linaro.org>
Cc: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
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 <kishon@ti.com>
 2017-06-01 15:28:33 +05:30