[U-Boot] [PATCH v3 00/18] misc: Add AVS class 0 support for AM6

Keerthy j-keerthy at ti.com
Tue Nov 5 05:33:07 UTC 2019



On 24/10/19 3:45 PM, Lokesh Vutla wrote:
> 
> 
> On 24/10/19 3:00 PM, Keerthy wrote:
>> Adaptive Voltage Scaling is a technology used in TI SoCs to optimize
>> the operating voltage based on characterization data written to efuse
>> during production.
>>
>> Add support for Adaptive Voltage scaling class 0 support
>> for AM6 family of devices. Adaptive voltage scaling class 0
>> implies that optimized voltage values for a particular OPP
>> of a particular voltage domain are read from Efuse and programmed
>> on the pmic/regulator.
>>
>> Tested on AM654-EVM for MPU @800 MHz.
>> Tested on J721e-evm for MPU.
> 
> For the entire series:
> 
> Reviewed-by: Lokesh Vutla <lokeshvutla at ti.com>
> 
> Thanks and regards,
> Lokesh

Tom,

If no further comments can this series be pulled in?

- Keerthy

> 
>>
>> The series is based on top of the branch:
>>
>> https://github.com/lokeshvutla/u-boot/tree/devel/j721e-full-boot
>>
>> Changes in v3:
>>
>>    * Extended the support for j721e-evm.
>>    * Moved vtm node under r5-board dts.
>>
>> Changes in v2:
>>
>>    * Avoided creation of new uclass. AVS driver is now under misc.
>>
>> Keerthy (11):
>>    clk: clk-ti-sci: Notify AVS driver upon setting clock rate
>>    misc: k3_avs: Add j721e support
>>    power: pmic: tps65941: Add support for tps65941 family of PMICs
>>    power: regulator: tps65941: add regulator support
>>    arm: mach-k3: am6_init: Initialize AVS class 0
>>    arm: mach-k3: j721e_init: Initialize avs class 0
>>    arm: dts: k3-am654-r5-base-board: Add VTM node
>>    arm: dts: k3-j721e-r5-common-proc-board: Add VTM node
>>    arm: dts: k3-j721e-r5-common: Add tps65941 node and dependent
>>      wkup_i2c0 node
>>    arm: dts: k3-j721e-r5-common-proc-board: Hook buck12_reg to vtm supply
>>    configs: j721e_evm_r5_defconfig: Enable AVS Class 0 & dependent
>>      configs
>>
>> Tero Kristo (7):
>>    misc: k3_avs: add driver for K3 Adaptive Voltage Scaling Class 0
>>    power: regulator: tps6236x: add support for tps6236x regulators
>>    arm: dts: k3-am654-r5-base-board: enable wkup_i2c0 driver for spl
>>    arm: dts: k3-am654-r5-base-board: add supply rail for MPU
>>    arm: dts: k3-am654-r5-base-board: enable wkup_vtm0 node and link in
>>      supplies
>>    configs: am65x_evm_r5_defconfig: Enable TPS62363 regulator support
>>    configs: am65x_evm_r5_defconfig: Enable AVS class 0 support
>>
>>   arch/arm/dts/k3-am654-r5-base-board.dts       |  27 ++
>>   arch/arm/dts/k3-j721e-mcu-wakeup.dtsi         |  11 +
>>   .../arm/dts/k3-j721e-r5-common-proc-board.dts |  44 ++
>>   arch/arm/mach-k3/am6_init.c                   |   7 +
>>   arch/arm/mach-k3/j721e_init.c                 |   7 +
>>   configs/am65x_evm_r5_defconfig                |   2 +
>>   configs/j721e_evm_r5_defconfig                |   9 +
>>   drivers/clk/clk-ti-sci.c                      |   5 +
>>   drivers/misc/Kconfig                          |   9 +
>>   drivers/misc/Makefile                         |   1 +
>>   drivers/misc/k3_avs.c                         | 388 +++++++++++++++++
>>   drivers/power/pmic/Kconfig                    |   7 +
>>   drivers/power/pmic/Makefile                   |   1 +
>>   drivers/power/pmic/tps65941.c                 |  83 ++++
>>   drivers/power/regulator/Kconfig               |  20 +
>>   drivers/power/regulator/Makefile              |   2 +
>>   drivers/power/regulator/tps62360_regulator.c  | 123 ++++++
>>   drivers/power/regulator/tps65941_regulator.c  | 407 ++++++++++++++++++
>>   include/k3-avs.h                              |  30 ++
>>   include/power/tps65941.h                      |  26 ++
>>   20 files changed, 1209 insertions(+)
>>   create mode 100644 drivers/misc/k3_avs.c
>>   create mode 100644 drivers/power/pmic/tps65941.c
>>   create mode 100644 drivers/power/regulator/tps62360_regulator.c
>>   create mode 100644 drivers/power/regulator/tps65941_regulator.c
>>   create mode 100644 include/k3-avs.h
>>   create mode 100644 include/power/tps65941.h
>>


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