From: Devi Priya <quic_devipriy@quicinc.com>
To: Konrad Dybcio <konrad.dybcio@linaro.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
<agross@kernel.org>, <andersson@kernel.org>, <robh+dt@kernel.org>,
<krzysztof.kozlowski+dt@linaro.org>, <mturquette@baylibre.com>,
<sboyd@kernel.org>, <linus.walleij@linaro.org>,
<catalin.marinas@arm.com>, <will@kernel.org>,
<p.zabel@pengutronix.de>, <shawnguo@kernel.org>, <arnd@arndb.de>,
<marcel.ziswiler@toradex.com>, <dmitry.baryshkov@linaro.org>,
<nfraprado@collabora.com>, <broonie@kernel.org>,
<tdas@codeaurora.org>, <linux-arm-msm@vger.kernel.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-clk@vger.kernel.org>, <linux-gpio@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>
Cc: <quic_srichara@quicinc.com>, <quic_gokulsri@quicinc.com>,
<quic_sjaganat@quicinc.com>, <quic_kathirav@quicinc.com>,
<quic_arajkuma@quicinc.com>, <quic_anusha@quicinc.com>,
<quic_poovendh@quicinc.com>
Subject: Re: [PATCH 6/7] arm64: dts: Add ipq9574 SoC and AL02 board support
Date: Tue, 24 Jan 2023 18:52:20 +0530 [thread overview]
Message-ID: <e9456e31-4608-f933-d636-987c8ec46b42@quicinc.com> (raw)
In-Reply-To: <675ed9f7-da31-6206-5089-1db22025ef4b@linaro.org>
On 1/24/2023 3:16 PM, Konrad Dybcio wrote:
>
>
> On 24.01.2023 08:19, Devi Priya wrote:
>>
>>
>> On 1/13/2023 7:50 PM, Krzysztof Kozlowski wrote:
>>> On 13/01/2023 14:29, Devi Priya wrote:
>>>>>> +
>>>>>> + soc: soc@0 {
>>>>>> + #address-cells = <1>;
>>>>>> + #size-cells = <1>;
>>>>>> + ranges = <0 0 0 0xffffffff>;
>>>>>> + compatible = "simple-bus";
>>>>>> +
>>>>>> + tlmm: pinctrl@1000000 {
>>>>>> + compatible = "qcom,ipq9574-tlmm";
>>>>>> + reg = <0x01000000 0x300000>;
>>>>>> + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
>>>>>> + gpio-controller;
>>>>>> + #gpio-cells = <2>;
>>>>>> + gpio-ranges = <&tlmm 0 0 65>;
>>>>>> + gpio-reserved-ranges = <59 1>;
>>>>>
>>>>> Hm, why reserved ranges are in SoC?
>>>> As the gpio is forbidden on all ipq9574 boards, we have added it in SoC
>>>
>>> Why it is forbidden on all boards? I guess it depends on the firmware
>>> and this can differ, can't it?
>>>
>> This GPIO is protected and used by the TZ firmware and is forbidden on all the boards & firmware
> If it's protected on *all* boards and *all* firmwares (for any
> good reason that you probably have internally), perhaps it
> would be better to describe it in the .c driver.. wdyt?
>
Sure, okay. Will add the gpio to reserved_gpios entry in the pinctrl driver
> Konrad
>>> Best regards,
>>> Krzysztof
>>>
>> Regards,
>> Devi Priya
next prev parent reply other threads:[~2023-01-24 13:23 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-10 12:13 [PATCH 0/7] Add minimal boot support for IPQ9574 devi priya
2023-01-10 12:13 ` [PATCH 1/7] dt-bindings: arm64: ipq9574: Add binding descriptions for clock and reset devi priya
2023-01-10 13:29 ` Rob Herring
2023-01-13 12:24 ` Devi Priya
2023-01-11 9:36 ` Krzysztof Kozlowski
2023-01-13 13:08 ` Devi Priya
2023-01-11 9:46 ` Krzysztof Kozlowski
2023-01-13 13:10 ` Devi Priya
2023-01-10 12:13 ` [PATCH 3/7] dt-bindings: pinctrl: qcom: Add ipq9574 pinctrl bindings devi priya
2023-01-11 9:39 ` Krzysztof Kozlowski
2023-01-13 13:24 ` Devi Priya
2023-01-13 14:16 ` Krzysztof Kozlowski
2023-01-13 14:30 ` Devi Priya
2023-01-10 12:13 ` [PATCH 4/7] pinctrl: qcom: Add IPQ9574 pinctrl driver devi priya
2023-01-11 9:46 ` Krzysztof Kozlowski
2023-01-13 13:25 ` Devi Priya
2023-01-12 11:50 ` Kathiravan Thirumoorthy
2023-01-10 12:13 ` [PATCH 5/7] dt-bindings: qcom: Add ipq9574 bindings devi priya
2023-01-11 9:39 ` Krzysztof Kozlowski
2023-01-13 13:26 ` Devi Priya
2023-01-10 12:13 ` [PATCH 6/7] arm64: dts: Add ipq9574 SoC and AL02 board support devi priya
2023-01-10 12:50 ` Konrad Dybcio
2023-01-24 6:16 ` Devi Priya
2023-01-11 9:44 ` Krzysztof Kozlowski
2023-01-11 9:48 ` Krzysztof Kozlowski
2023-01-13 13:31 ` Devi Priya
2023-01-11 14:52 ` Kathiravan Thirumoorthy
2023-01-13 13:34 ` Devi Priya
2023-01-13 13:29 ` Devi Priya
2023-01-13 14:20 ` Krzysztof Kozlowski
2023-01-24 7:19 ` Devi Priya
2023-01-24 8:36 ` Krzysztof Kozlowski
2023-01-24 9:46 ` Konrad Dybcio
2023-01-24 13:22 ` Devi Priya [this message]
2023-01-11 9:45 ` Krzysztof Kozlowski
2023-01-13 13:36 ` Devi Priya
2023-01-13 13:49 ` Marc Zyngier
2023-01-13 13:52 ` Devi Priya
2023-01-10 12:13 ` [PATCH 7/7] arm64: defconfig: Enable IPQ9574 SoC base configs devi priya
2023-01-11 14:48 ` Kathiravan Thirumoorthy
2023-01-11 15:03 ` Krzysztof Kozlowski
2023-01-13 13:27 ` Devi Priya
[not found] ` <20230110121316.24892-3-quic_devipriy@quicinc.com>
2023-01-10 12:37 ` [PATCH 2/7] clk: qcom: Add Global Clock Controller driver for IPQ9574 Konrad Dybcio
2023-01-13 13:21 ` Devi Priya
2023-01-13 14:09 ` Konrad Dybcio
2023-01-24 7:27 ` Devi Priya
2023-01-24 9:53 ` Konrad Dybcio
2023-01-24 13:50 ` Devi Priya
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