From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: Devi Priya <quic_devipriy@quicinc.com>,
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 10:46:57 +0100 [thread overview]
Message-ID: <675ed9f7-da31-6206-5089-1db22025ef4b@linaro.org> (raw)
In-Reply-To: <278a2e6e-69e0-81b0-f476-571edea950ff@quicinc.com>
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?
Konrad
>> Best regards,
>> Krzysztof
>>
> Regards,
> Devi Priya
next prev parent reply other threads:[~2023-01-24 9:47 UTC|newest]
Thread overview: 49+ 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 2/7] clk: qcom: Add Global Clock Controller driver for IPQ9574 devi priya
2023-01-10 12:37 ` 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
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 [this message]
2023-01-24 13:22 ` Devi Priya
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
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