From: Iskren Chernev <iskren.chernev@gmail.com>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Andy Gross <agross@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Kishon Vijay Abraham I <kishon@ti.com>,
Manu Gautam <mgautam@codeaurora.org>,
Rob Herring <robh+dt@kernel.org>, Vinod Koul <vkoul@kernel.org>,
devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-phy@lists.infradead.org,
linux-usb@vger.kernel.org, phone-devel@vger.kernel.org,
~postmarketos/upstreaming@lists.sr.ht
Subject: Re: [PATCH v1 3/3] phy: qcom-qusb2: Add configuration for SM4250 and SM6115
Date: Fri, 25 Jun 2021 13:38:46 +0300 [thread overview]
Message-ID: <d42b6bfd-4010-29d2-1701-41979e19d987@gmail.com> (raw)
In-Reply-To: <YNKshSbsf5d5Uyew@yoga>
On 6/23/21 6:37 AM, Bjorn Andersson wrote:
> On Tue 22 Jun 15:32 CDT 2021, Iskren Chernev wrote:
>
>> The SM4250 and SM6115 uses the same register layout as MSM8996, but the
>> tune sequence is a bit different.
>>
>
> Didn't review the initialization sequence, but it's different from the
> existing ones so adding a new compatible and init_tbl seems to be the
> right choice.
Here is the init sequence I'm using [1]
[1] https://github.com/OnePlusOSS/android_kernel_oneplus_sm4250/blob/oneplus/SM4250_Q_10.0/arch/arm64/boot/dts/vendor/20882/bengal-qrd.dtsi#L130
> Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
>
> Regards,
> Bjorn
>
>> Signed-off-by: Iskren Chernev <iskren.chernev@gmail.com>
>> ---
>> drivers/phy/qualcomm/phy-qcom-qusb2.c | 34 +++++++++++++++++++++++++++
>> 1 file changed, 34 insertions(+)
>>
>> diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
>> index 8f1bf7e2186b..3c1d3b71c825 100644
>> --- a/drivers/phy/qualcomm/phy-qcom-qusb2.c
>> +++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c
>> @@ -219,6 +219,22 @@ static const struct qusb2_phy_init_tbl msm8998_init_tbl[] = {
>> QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_DIGITAL_TIMERS_TWO, 0x19),
>> };
>>
>> +static const struct qusb2_phy_init_tbl sm6115_init_tbl[] = {
>> + QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE1, 0xf8),
>> + QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE2, 0x53),
>> + QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE3, 0x81),
>> + QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE4, 0x17),
>> +
>> + QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_TUNE, 0x30),
>> + QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_USER_CTL1, 0x79),
>> + QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_USER_CTL2, 0x21),
>> +
>> + QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TEST2, 0x14),
>> +
>> + QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_AUTOPGM_CTL1, 0x9f),
>> + QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_PWR_CTRL, 0x00),
>> +};
>> +
>> static const unsigned int qusb2_v2_regs_layout[] = {
>> [QUSB2PHY_PLL_CORE_INPUT_OVERRIDE] = 0xa8,
>> [QUSB2PHY_PLL_STATUS] = 0x1a0,
>> @@ -342,6 +358,18 @@ static const struct qusb2_phy_cfg sdm660_phy_cfg = {
>> .autoresume_en = BIT(3),
>> };
>>
>> +static const struct qusb2_phy_cfg sm6115_phy_cfg = {
>> + .tbl = sm6115_init_tbl,
>> + .tbl_num = ARRAY_SIZE(sm6115_init_tbl),
>> + .regs = msm8996_regs_layout,
>> +
>> + .has_pll_test = true,
>> + .se_clk_scheme_default = true,
>> + .disable_ctrl = (CLAMP_N_EN | FREEZIO_N | POWER_DOWN),
>> + .mask_core_ready = PLL_LOCKED,
>> + .autoresume_en = BIT(3),
>> +};
>> +
>> static const char * const qusb2_phy_vreg_names[] = {
>> "vdda-pll", "vdda-phy-dpdm",
>> };
>> @@ -888,6 +916,12 @@ static const struct of_device_id qusb2_phy_of_match_table[] = {
>> }, {
>> .compatible = "qcom,sdm660-qusb2-phy",
>> .data = &sdm660_phy_cfg,
>> + }, {
>> + .compatible = "qcom,sm4250-qusb2-phy",
>> + .data = &sm6115_phy_cfg,
>> + }, {
>> + .compatible = "qcom,sm6115-qusb2-phy",
>> + .data = &sm6115_phy_cfg,
>> }, {
>> /*
>> * Deprecated. Only here to support legacy device
>> --
>> 2.31.1
>>
prev parent reply other threads:[~2021-06-25 10:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-22 20:32 [PATCH v1 0/3] Add USB HS support for SM4250/6115 Iskren Chernev
2021-06-22 20:32 ` [PATCH v1 1/3] dt-bindings: usb: qcom,dwc3: Add bindings for sm6115/4250 Iskren Chernev
2021-06-23 3:33 ` Bjorn Andersson
2021-06-22 20:32 ` [PATCH v1 2/3] dt-bindings: phy: qcom,qusb2: document sm4250/6115 compatible Iskren Chernev
2021-06-23 3:37 ` Bjorn Andersson
2021-06-22 20:32 ` [PATCH v1 3/3] phy: qcom-qusb2: Add configuration for SM4250 and SM6115 Iskren Chernev
2021-06-23 3:37 ` Bjorn Andersson
2021-06-25 10:38 ` Iskren Chernev [this message]
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