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

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Message-ID: <f39c4a28-18a5-4180-6283-0db6cca0ce57@ti.com>
Date:   Thu, 17 Jan 2019 16:22:22 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Jeffrey Hugo <jhugo@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.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

Hi,

On 16/01/19 8:58 PM, Jeffrey Hugo wrote:
> On 1/16/2019 1:58 AM, Kishon Vijay Abraham I wrote:
>> Hi,
>>
>> On 16/01/19 2:20 PM, Kishon Vijay Abraham I wrote:
>>>
>>>
>>> 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?
>>
>> Ignore my request. I found the patch.
> 
> Sorry about that.  I was made aware there is something glitched when sending
> this out, and the series didn't get threaded properly.  I'll be investigating
> and correcting for the next time I need to send out a series.
> 
> Is this change acceptable?  I saw you picked up patch 1 (phy bindings) and
> patch 4 (QMP phy changes), but not this one.  I do want to see as much of this
> hit 5.1 as possible, so if there is anything I need to correct, please let me
> know.  I'd be happy to update.

I've updated the tree now. Can you check if everything looks alright w.r.t your
patches?

Thanks
Kishon
> 
>>
>> Thanks
>> Kishon
>>
>>>
>>> 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.
>>>>>
> 
>