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arm64: tegra: Update Jetson TX1 GPU regulator timings
commitece6031ece
upstream. The GPU regulator enable ramp delay for Jetson TX1 is set to 1ms which not sufficient because the enable ramp delay has been measured to be greater than 1ms. Furthermore, the downstream kernels released by NVIDIA for Jetson TX1 are using a enable ramp delay 2ms and a settling delay of 160us. Update the GPU regulator enable ramp delay for Jetson TX1 to be 2ms and add a settling delay of 160us. Cc: stable@vger.kernel.org Signed-off-by: Jon Hunter <jonathanh@nvidia.com> Fixes:5e6b9a89af
("arm64: tegra: Add VDD_GPU regulator to Jetson TX1") Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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1 changed files with 2 additions and 1 deletions
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@ -330,7 +330,8 @@ vdd_gpu: regulator@100 {
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regulator-max-microvolt = <1320000>;
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enable-gpios = <&pmic 6 GPIO_ACTIVE_HIGH>;
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regulator-ramp-delay = <80>;
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regulator-enable-ramp-delay = <1000>;
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regulator-enable-ramp-delay = <2000>;
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regulator-settling-time-us = <160>;
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};
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};
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};
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