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authorPhilipp Tomsich <philipp.tomsich@theobroma-systems.com>2017-05-31 16:17:58 (GMT)
committerSimon Glass <sjg@chromium.org>2017-06-07 13:29:23 (GMT)
commit2dd2c011e8ab807f8ba1a530fc5f81dffe669ca2 (patch)
treed81bc9c873a17b7ec77ec2c945fd2c07d7fa304c
parent4411cd054bd000ee26c3ff2650561af19811e74e (diff)
downloadu-boot-fsl-qoriq-2dd2c011e8ab807f8ba1a530fc5f81dffe669ca2.tar.xz
rockchip: dts: rk3399-puma: release reset of on-module USB3 hub via vbus-gpio
On the RK3399-Q7, the on-module USB3 hub is held in reset at boot-up to save power and needs to be woken up using GPIO4A3. Note that this is not a negated reset-signal (due to a level shifter being needed for this signal anyway), but a negated enable-signal: to enable, we need to output LOW (i.e. 0)... so we mark this as an ACTIVE_LOW signal. Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Reviewed-by: Simon Glass <sjg@chromium.org>
-rw-r--r--arch/arm/dts/rk3399-puma.dts5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/dts/rk3399-puma.dts b/arch/arm/dts/rk3399-puma.dts
index 5d9dfb5..7009fde 100644
--- a/arch/arm/dts/rk3399-puma.dts
+++ b/arch/arm/dts/rk3399-puma.dts
@@ -124,7 +124,7 @@
};
&dwc3_typec0 {
- status = "okay";
+ status = "disabled";
};
&usb_host1_ehci {
@@ -136,6 +136,7 @@
};
&dwc3_typec1 {
+ rockchip,vbus-gpio = <&gpio4 3 GPIO_ACTIVE_LOW>;
status = "okay";
};
@@ -182,7 +183,7 @@
compatible = "spi-flash";
reg = <0>;
- spi-max-frequency = <5000000>;
+ spi-max-frequency = <49500000>;
spi-cpol;
spi-cpha;
};