Re: [PATCH 7/7] ARM: dts: s5pv210: Add charger support in Aries

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On 23/03/2022 16:03, Jonathan Bakker wrote:
> Add charger-manager support to Aries boards to allow safe
> charging of the battery without the need for userspace control.
> 
> Signed-off-by: Jonathan Bakker <xc-racer2@xxxxxxx>
> ---
>  arch/arm/boot/dts/s5pv210-fascinate4g.dts | 162 ++++++++++++++++++++++
>  arch/arm/boot/dts/s5pv210-galaxys.dts     | 144 +++++++++++++++++++
>  2 files changed, 306 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/s5pv210-fascinate4g.dts b/arch/arm/boot/dts/s5pv210-fascinate4g.dts
> index 7427c84f1126..9530231b7a70 100644
> --- a/arch/arm/boot/dts/s5pv210-fascinate4g.dts
> +++ b/arch/arm/boot/dts/s5pv210-fascinate4g.dts
> @@ -57,6 +57,168 @@
>  		pinctrl-0 = <&main_micbias_ena>;
>  	};
>  
> +	thermal-zones {
> +		batt_thermal: batt-thermal {
> +			polling-delay-passive = <60000>; /* 60 seconds */

There is no passive cooling device, so why do you need it?

> +			polling-delay = <600000>; /* 600 seconds */
> +
> +			thermal-sensors = <&batt_thermistor>;
> +		};
> +	};
> +
> +	batt_thermistor: thermal-sensor-0 {
> +		compatible = "generic-adc-thermal";
> +		#thermal-sensor-cells = <0>;
> +		io-channels = <&adc 6>;
> +		io-channel-names = "sensor-channel";
> +
> +		temperature-lookup-table = <
> +			(-20000) 1859
> +			(-19000) 1846
> +			(-18000) 1832
> +			(-17000) 1818
> +			(-16000) 1804
> +			(-15000) 1790
> +			(-14000) 1773
> +			(-13000) 1756
> +			(-12000) 1739
> +			(-11000) 1722
> +			(-10000) 1705
> +			(-9000) 1691
> +			(-8000) 1677
> +			(-7000) 1663
> +			(-6000) 1649
> +			(-5000) 1635
> +			(-4000) 1550
> +			(-3000) 1510
> +			(-2000) 1500
> +			(-1000) 1490
> +			0 1480
> +			1000 1470
> +			2000 1460
> +			3000 1450
> +			4000 1430
> +			5000 1420
> +			6000 1406
> +			7000 1386
> +			8000 1366
> +			9000 1346
> +			10000 1326
> +			11000 1302
> +			12000 1278
> +			13000 1254
> +			14000 1230
> +			15000 1206
> +			16000 1182
> +			17000 1158
> +			18000 1134
> +			19000 1110
> +			20000 1086
> +			21000 1059
> +			22000 1035
> +			23000 1011
> +			24000 987
> +			25000 963
> +			26000 937
> +			27000 913
> +			28000 889
> +			29000 865
> +			30000 841
> +			31000 816
> +			32000 794
> +			33000 772
> +			34000 750
> +			35000 728
> +			36000 708
> +			37000 690
> +			38000 672
> +			39000 654
> +			40000 636
> +			41000 616
> +			42000 599
> +			43000 580
> +			44000 565
> +			45000 548
> +			46000 529
> +			47000 512
> +			48000 495
> +			49000 478
> +			50000 461
> +			51000 440
> +			52000 431
> +			53000 416
> +			54000 405
> +			55000 396
> +			56000 375
> +			57000 360
> +			58000 347
> +			59000 334
> +			60000 325
> +			61000 311
> +			62000 303
> +			63000 296
> +			64000 290
> +			65000 279
> +			66000 265
> +			67000 254
> +			68000 240
> +			69000 220
> +			70000 206>;
> +	};
> +
> +	charger_manager: charger-manager-0 {
> +		compatible = "charger-manager";

Sorry, this is not a hardware. It's a hack to configure kernel charging
driver via DT which was made deprecated.

Best regards,
Krzysztof



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