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arm64: zynqmp: Fix ina226/u12 setup for System Controller

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Linux driver is not capable to handle 10Ohm shunt resistor.
That's why setup 1Ohm and setup proper calculation in user space.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
Michal Simek
2019-06-25 09:09:15 +02:00
parent a328908755
commit dae3ac3945
1 changed files with 2 additions and 1 deletions
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arch/arm/dts/zynqmp-a2197-p-revA.dts
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@@ -370,7 +370,8 @@ marwell m88e1512 - SGMII */
vcc_bat: ina226@4e { /* u12 */
compatible = "ti,ina226";
reg = <0x4e>;
shunt-resistor = <10000000>; /* 10 ohm */
/* 10 ohm real value - setup 1ohm because of driver limitation */
shunt-resistor = <1000000>;
};
};
i2c@4 { /* LP_I2C_SM */