After clarification from the hardware team it was found that
this 1.8V PHY supply can't be switched OFF when SoC is Active.
It can only be switched off when in PORz (power on reset).
This patch is required for proper functionality of USB, SATA
and PCIe on DRA7-evm.
CC: Rajendra Nayak <rna...@ti.com>
CC: Tero Kristo <t-kri...@ti.com>
Signed-off-by: Roger Quadros <rog...@ti.com>
---
arch/arm/boot/dts/dra7-evm.dts | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/boot/dts/dra7-evm.dts b/arch/arm/boot/dts/dra7-evm.dts
index 4adc280..8308954 100644
--- a/arch/arm/boot/dts/dra7-evm.dts
+++ b/arch/arm/boot/dts/dra7-evm.dts
@@ -240,6 +240,7 @@
regulator-name = "ldo3";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
+ regulator-always-on;
regulator-boot-on;
};
--
1.8.3.2
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