linux-kernel - Re: [PATCH 3/3] regulator: tps65917: Add support for SMPS12

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Message-ID: <20170522174122.gjf3hezwr6bzgp3t@dell>
Date:   Mon, 22 May 2017 18:41:22 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Keerthy <j-keerthy@...com>
Cc:     broonie@...nel.org, robh+dt@...nel.org, t-kristo@...com,
        tony@...mide.com, mark.rutland@....com, linux-omap@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 3/3] regulator: tps65917: Add support for SMPS12

On Fri, 19 May 2017, Keerthy wrote:

> App support for SMPS12 dual phase regulator.
> 
> Signed-off-by: Keerthy <j-keerthy@...com>
> ---
>  drivers/regulator/palmas-regulator.c | 18 +++++++++++++++---

>  include/linux/mfd/palmas.h           |  2 ++

Acked-by: Lee Jones <lee.jones@...aro.org>

>  2 files changed, 17 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
> index 31ae5ee..84df468 100644
> --- a/drivers/regulator/palmas-regulator.c
> +++ b/drivers/regulator/palmas-regulator.c
> @@ -264,6 +264,13 @@
>  		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_SMPS5,
>  	},
>  	{
> +		.name		= "SMPS12",
> +		.sname		= "smps1-in",
> +		.vsel_addr	= TPS65917_SMPS1_VOLTAGE,
> +		.ctrl_addr	= TPS65917_SMPS1_CTRL,
> +		.sleep_id	= TPS65917_EXTERNAL_REQSTR_ID_SMPS12,
> +	},
> +	{
>  		.name		= "LDO1",
>  		.sname		= "ldo1-in",
>  		.vsel_addr	= TPS65917_LDO1_VOLTAGE,
> @@ -367,6 +374,7 @@
>  	EXTERNAL_REQUESTOR_TPS65917(SMPS3, 1, 2),
>  	EXTERNAL_REQUESTOR_TPS65917(SMPS4, 1, 3),
>  	EXTERNAL_REQUESTOR_TPS65917(SMPS5, 1, 4),
> +	EXTERNAL_REQUESTOR_TPS65917(SMPS12, 1, 5),
>  	EXTERNAL_REQUESTOR_TPS65917(LDO1, 2, 0),
>  	EXTERNAL_REQUESTOR_TPS65917(LDO2, 2, 1),
>  	EXTERNAL_REQUESTOR_TPS65917(LDO3, 2, 2),
> @@ -1305,7 +1313,8 @@ static int tps65917_smps_registration(struct palmas_pmic *pmic,
>  		 */
>  		desc = &pmic->desc[id];
>  		desc->n_linear_ranges = 3;
> -		if ((id == TPS65917_REG_SMPS2) && pmic->smps12)
> +		if ((id == TPS65917_REG_SMPS2 || id == TPS65917_REG_SMPS1) &&
> +		    pmic->smps12)
>  			continue;
>  
>  		/* Initialise sleep/init values from platform data */
> @@ -1427,6 +1436,7 @@ static int tps65917_smps_registration(struct palmas_pmic *pmic,
>  	{ .name = "smps3", },
>  	{ .name = "smps4", },
>  	{ .name = "smps5", },
> +	{ .name = "smps12",},
>  	{ .name = "ldo1", },
>  	{ .name = "ldo2", },
>  	{ .name = "ldo3", },
> @@ -1455,7 +1465,7 @@ static int tps65917_smps_registration(struct palmas_pmic *pmic,
>  
>  static struct palmas_pmic_driver_data tps65917_ddata = {
>  	.smps_start = TPS65917_REG_SMPS1,
> -	.smps_end = TPS65917_REG_SMPS5,
> +	.smps_end = TPS65917_REG_SMPS12,
>  	.ldo_begin = TPS65917_REG_LDO1,
>  	.ldo_end = TPS65917_REG_LDO5,
>  	.max_reg = TPS65917_NUM_REGS,
> @@ -1643,8 +1653,10 @@ static int palmas_regulators_probe(struct platform_device *pdev)
>  	if (ret)
>  		return ret;
>  
> -	if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN)
> +	if (reg & PALMAS_SMPS_CTRL_SMPS12_SMPS123_EN) {
>  		pmic->smps123 = 1;
> +		pmic->smps12 = 1;
> +	}
>  
>  	if (reg & PALMAS_SMPS_CTRL_SMPS45_SMPS457_EN)
>  		pmic->smps457 = 1;
> diff --git a/include/linux/mfd/palmas.h b/include/linux/mfd/palmas.h
> index 5c9a1d4..6dec438 100644
> --- a/include/linux/mfd/palmas.h
> +++ b/include/linux/mfd/palmas.h
> @@ -250,6 +250,7 @@ enum tps65917_regulators {
>  	TPS65917_REG_SMPS3,
>  	TPS65917_REG_SMPS4,
>  	TPS65917_REG_SMPS5,
> +	TPS65917_REG_SMPS12,
>  	/* LDO regulators */
>  	TPS65917_REG_LDO1,
>  	TPS65917_REG_LDO2,
> @@ -317,6 +318,7 @@ enum tps65917_external_requestor_id {
>  	TPS65917_EXTERNAL_REQSTR_ID_SMPS3,
>  	TPS65917_EXTERNAL_REQSTR_ID_SMPS4,
>  	TPS65917_EXTERNAL_REQSTR_ID_SMPS5,
> +	TPS65917_EXTERNAL_REQSTR_ID_SMPS12,
>  	TPS65917_EXTERNAL_REQSTR_ID_LDO1,
>  	TPS65917_EXTERNAL_REQSTR_ID_LDO2,
>  	TPS65917_EXTERNAL_REQSTR_ID_LDO3,

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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