linux-kernel - Re: [PATCH v4 2/4] arm64: dts: qcom: sm6125: Add UFS nodes

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Message-ID: <9c185e36-4342-0f8e-1816-494303ebd072@mint.lgbt>
Date:   Tue, 20 Dec 2022 15:57:51 -0300
From:   Lux Aliaga <they@...t.lgbt>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/4] arm64: dts: qcom: sm6125: Add UFS nodes

On 16/12/2022 08:24, Konrad Dybcio wrote:

>
> On 15.12.2022 20:04, Lux Aliaga wrote:
>> Adds a UFS host controller node and its corresponding PHY to
>> the sm6125 platform.
>>
>> Signed-off-by: Lux Aliaga <they@...t.lgbt>
>> ---
> Please include a changelog, I don't know what you changed and
> what you didn't. Also, you sent 4 revisions in one day, not
> letting others review it.
>
>
>>   arch/arm64/boot/dts/qcom/sm6125.dtsi | 67 ++++++++++++++++++++++++++++
>>   1 file changed, 67 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sm6125.dtsi b/arch/arm64/boot/dts/qcom/sm6125.dtsi
>> index 7e25a4f85594..b64c5bc1452f 100644
>> --- a/arch/arm64/boot/dts/qcom/sm6125.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sm6125.dtsi
>> @@ -508,6 +508,73 @@ sdhc_2: mmc@...4000 {
>>   			status = "disabled";
>>   		};
>>   
>> +		ufs_mem_hc: ufs@...4000 {
>> +			compatible = "qcom,sm6125-ufshc", "qcom,ufshc", "jedec,ufs-2.0";
>> +			reg = <0x04804000 0x3000>, <0x04810000 0x8000>;
>> +			reg-names = "std", "ice";
>> +			interrupts = <GIC_SPI 356 IRQ_TYPE_LEVEL_HIGH>;
>> +			phys = <&ufs_mem_phy_lanes>;
>> +			phy-names = "ufsphy";
>> +			lanes-per-direction = <1>;
>> +			#reset-cells = <1>;
>> +			resets = <&gcc GCC_UFS_PHY_BCR>;
>> +			reset-names = "rst";
>> +
>> +			clock-names = "core_clk",
>> +				      "bus_aggr_clk",
>> +				      "iface_clk",
>> +				      "core_clk_unipro",
>> +				      "ref_clk",
>> +				      "tx_lane0_sync_clk",
>> +				      "rx_lane0_sync_clk",
>> +				      "ice_core_clk";
>> +			clocks = <&gcc GCC_UFS_PHY_AXI_CLK>,
>> +				 <&gcc GCC_SYS_NOC_UFS_PHY_AXI_CLK>,
>> +				 <&gcc GCC_UFS_PHY_AHB_CLK>,
>> +				 <&gcc GCC_UFS_PHY_UNIPRO_CORE_CLK>,
>> +				 <&rpmcc RPM_SMD_XO_CLK_SRC>,
>> +				 <&gcc GCC_UFS_PHY_TX_SYMBOL_0_CLK>,
>> +				 <&gcc GCC_UFS_PHY_RX_SYMBOL_0_CLK>,
>> +				 <&gcc GCC_UFS_PHY_ICE_CORE_CLK>;
>> +			freq-table-hz = <50000000 240000000>,
>> +					<0 0>,
>> +					<0 0>,
>> +					<37500000 150000000>,
>> +					<0 0>,
>> +					<0 0>,
>> +					<0 0>,
>> +					<75000000 300000000>;
>> +
>> +			non-removable;
>> +			status = "disabled";
>> +		};
>> +
>> +		ufs_mem_phy: phy@...7000 {
>> +			compatible = "qcom,sm6115-qmp-ufs-phy";
> Krzysztof asked you to add a SoC-specific compatible in v1.
I'm working on adding a new compatible for sm6125's UFS PHY. Should I 
copy sm6115's tables or just reference them in the sm6125's config in 
drivers/phy/qualcomm/phy-qcom-qmp-ufs.c?

-- 
Lux Aliaga
https://nixgoat.me/