[U-Boot] [PATCH 01/10] power: add driver for K3 Adaptive Voltage Scaling Class 0

Lokesh Vutla lokeshvutla at ti.com
Tue Oct 15 06:57:05 UTC 2019


[..snip..]

> +};
> diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
> index f431f3bf29..605b52905e 100644
> --- a/include/dm/uclass-id.h
> +++ b/include/dm/uclass-id.h
> @@ -31,6 +31,7 @@ enum uclass_id {
>  	UCLASS_ADC,		/* Analog-to-digital converter */
>  	UCLASS_AHCI,		/* SATA disk controller */
>  	UCLASS_AUDIO_CODEC,	/* Audio codec with control and data path */
> +	UCLASS_AVS,		/* Adaptive voltage scaling */

In general there should be sandbox tests written for adding any such new UCLASS.

Thanks and regards,
Lokesh

>  	UCLASS_AXI,		/* AXI bus */
>  	UCLASS_BLK,		/* Block device */
>  	UCLASS_BOARD,		/* Device information from hardware */
> diff --git a/include/k3-avs.h b/include/k3-avs.h
> new file mode 100644
> index 0000000000..9867481617
> --- /dev/null
> +++ b/include/k3-avs.h
> @@ -0,0 +1,28 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Texas Instruments' K3 Adaptive Voltage Scaling driver
> + *
> + * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
> + *      Tero Kristo <t-kristo at ti.com>
> + *
> + */
> +
> +#ifndef _K3_AVS0_
> +#define _K3_AVS0_
> +
> +#define AM6_VDD_WKUP		0
> +#define AM6_VDD_MCU		1
> +#define AM6_VDD_CORE		2
> +#define AM6_VDD_MPU0		3
> +#define AM6_VDD_MPU1		4
> +
> +#define NUM_OPPS		4
> +
> +#define AM6_OPP_NOM		1
> +#define AM6_OPP_OD		2
> +#define AM6_OPP_TURBO		3
> +
> +int k3_avs_set_opp(struct udevice *dev, int vdd_id, int opp_id);
> +int k3_avs_notify_freq(int dev_id, int clk_id, u32 freq);
> +
> +#endif
> 


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