linux-kernel - Re: [PATCH v2 3/6] phy: qcom-qusb2: Add QUSB2 PHY support for msm8998

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Date:   Wed, 16 Jan 2019 14:20:18 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Bjorn Andersson <bjorn.andersson@...aro.org>,
        Jeffrey Hugo <jhugo@...eaurora.org>
CC:     <andy.gross@...aro.org>, <david.brown@...aro.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <robh+dt@...nel.org>, <mark.rutland@....com>,
        <devicetree@...r.kernel.org>, <gregkh@...uxfoundation.org>,
        <balbi@...nel.org>, <linux-usb@...r.kernel.org>
Subject: Re: [PATCH v2 3/6] phy: qcom-qusb2: Add QUSB2 PHY support for msm8998



On 15/01/19 11:41 PM, Bjorn Andersson wrote:
> On Mon 14 Jan 08:36 PST 2019, Jeffrey Hugo wrote:
> 
>> MSM8998 contains one QUSB2 PHY which is very similar to the existing
>> sdm845 support.
>>
> 
I don't seem to have the dt-binding patch in my inbox. Can you send them as well?

Thanks
Kishon
> Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> 
>> Signed-off-by: Jeffrey Hugo <jhugo@...eaurora.org>
>> ---
>>  drivers/phy/qualcomm/phy-qcom-qusb2.c | 41 +++++++++++++++++++++++++++++++++++
>>  1 file changed, 41 insertions(+)
>>
>> diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
>> index 9177989f..e5e4f36 100644
>> --- a/drivers/phy/qualcomm/phy-qcom-qusb2.c
>> +++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c
>> @@ -152,6 +152,32 @@ enum qusb2phy_reg_layout {
>>  	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_PWR_CTRL, 0x00),
>>  };
>>  
>> +static const unsigned int msm8998_regs_layout[] = {
>> +	[QUSB2PHY_PLL_CORE_INPUT_OVERRIDE] = 0xa8,
>> +	[QUSB2PHY_PLL_STATUS]              = 0x1a0,
>> +	[QUSB2PHY_PORT_TUNE1]              = 0x23c,
>> +	[QUSB2PHY_PORT_TUNE2]              = 0x240,
>> +	[QUSB2PHY_PORT_TUNE3]              = 0x244,
>> +	[QUSB2PHY_PORT_TUNE4]              = 0x248,
>> +	[QUSB2PHY_PORT_TEST1]              = 0x24c,
>> +	[QUSB2PHY_PORT_TEST2]              = 0x250,
>> +	[QUSB2PHY_PORT_POWERDOWN]          = 0x210,
>> +	[QUSB2PHY_INTR_CTRL]               = 0x22c,
>> +};
>> +
>> +static const struct qusb2_phy_init_tbl msm8998_init_tbl[] = {
>> +	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_ANALOG_CONTROLS_TWO, 0x13),
>> +	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_CLOCK_INVERTERS, 0x7c),
>> +	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_CMODE, 0x80),
>> +	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_LOCK_DELAY, 0x0a),
>> +
>> +	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE1, 0xa5),
>> +	QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE2, 0x09),
>> +
>> +	QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_DIGITAL_TIMERS_TWO, 0x19),
>> +};
>> +
>> +
>>  static const unsigned int sdm845_regs_layout[] = {
>>  	[QUSB2PHY_PLL_CORE_INPUT_OVERRIDE] = 0xa8,
>>  	[QUSB2PHY_PLL_STATUS]		= 0x1a0,
>> @@ -221,6 +247,18 @@ struct qusb2_phy_cfg {
>>  	.autoresume_en	 = BIT(3),
>>  };
>>  
>> +static const struct qusb2_phy_cfg msm8998_phy_cfg = {
>> +	.tbl            = msm8998_init_tbl,
>> +	.tbl_num        = ARRAY_SIZE(msm8998_init_tbl),
>> +	.regs           = msm8998_regs_layout,
>> +
>> +	.disable_ctrl   = POWER_DOWN,
>> +	.mask_core_ready = CORE_READY_STATUS,
>> +	.has_pll_override = true,
>> +	.autoresume_en   = BIT(0),
>> +	.update_tune1_with_efuse = true,
>> +};
>> +
>>  static const struct qusb2_phy_cfg sdm845_phy_cfg = {
>>  	.tbl		= sdm845_init_tbl,
>>  	.tbl_num	= ARRAY_SIZE(sdm845_init_tbl),
>> @@ -734,6 +772,9 @@ static int qusb2_phy_exit(struct phy *phy)
>>  		.compatible	= "qcom,msm8996-qusb2-phy",
>>  		.data		= &msm8996_phy_cfg,
>>  	}, {
>> +		.compatible	= "qcom,msm8998-qusb2-phy",
>> +		.data		= &msm8998_phy_cfg,
>> +	}, {
>>  		.compatible	= "qcom,sdm845-qusb2-phy",
>>  		.data		= &sdm845_phy_cfg,
>>  	},
>> -- 
>> Qualcomm Datacenter Technologies as an affiliate of Qualcomm Technologies, Inc.
>> Qualcomm Technologies, Inc. is a member of the
>> Code Aurora Forum, a Linux Foundation Collaborative Project.
>>