On 03/12/2018 04:59 PM, Marc Zyngier wrote:
> On 12/03/18 08:06, Rajendra Nayak wrote:
>> Add a skeletal sdm845 SoC dtsi and MTP board dts/dtsi files
>>
>> Signed-off-by: Rajendra Nayak <rnayak@xxxxxxxxxxxxxx>
>> Reviewed-by: Doug Anderson <dianders@xxxxxxxxxxxx>
>> ---
>> arch/arm64/boot/dts/qcom/Makefile | 1 +
>> arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 15 ++
>> arch/arm64/boot/dts/qcom/sdm845.dtsi | 278 ++++++++++++++++++++++++++++++++
>> 3 files changed, 294 insertions(+)
>> create mode 100644 arch/arm64/boot/dts/qcom/sdm845-mtp.dts
>> create mode 100644 arch/arm64/boot/dts/qcom/sdm845.dtsi
>>
>> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
>> index 55ec5ee7f7e8..9319e74b8906 100644
>> --- a/arch/arm64/boot/dts/qcom/Makefile
>> +++ b/arch/arm64/boot/dts/qcom/Makefile
>> @@ -6,3 +6,4 @@ dtb-$(CONFIG_ARCH_QCOM) += msm8916-mtp.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += msm8992-bullhead-rev-101.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += msm8994-angler-rev-101.dtb
>> dtb-$(CONFIG_ARCH_QCOM) += msm8996-mtp.dtb
>> +dtb-$(CONFIG_ARCH_QCOM) += sdm845-mtp.dtb
>> diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
>> new file mode 100644
>> index 000000000000..979ab49913f1
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
>> @@ -0,0 +1,15 @@
>> +// SPDX-License-Identifier: GPL-2.0
>> +/*
>> + * SDM845 MTP board device tree source
>> + *
>> + * Copyright (c) 2018, The Linux Foundation. All rights reserved.
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "sdm845.dtsi"
>> +
>> +/ {
>> + model = "Qualcomm Technologies, Inc. SDM845 MTP";
>> + compatible = "qcom,sdm845-mtp";
>> +};
>> diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
>> new file mode 100644
>> index 000000000000..d2407cd7a561
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
>
> [...]
>
>> + intc: interrupt-controller@17a00000 {
>> + compatible = "arm,gic-v3";
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + ranges;
>> + #interrupt-cells = <3>;
>> + interrupt-controller;
>> + #redistributor-regions = <1>;
>> + redistributor-stride = <0x0 0x20000>;
>
> You shouldn't need redistributor-stride here, unless your GIC
> implementation is not compliant with the architecture (i.e. really
> buggy). I only know of one such implementation, and I'd rather you
> remove this property unless your GIC is indeed non-compliant. If that's
> the case, you should also document it.
Thanks Marc, I will drop the redistributor-stride and #redistributor-regions
as the bindings document seems to suggest its optional and is needed only
when more than 1 such region is present.
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