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From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: Konrad Dybcio <konrad.dybcio@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Andy Gross <agross@kernel.org>,
	Bjorn Andersson <andersson@kernel.org>,
	Ilia Lin <ilia.lin@kernel.org>, Viresh Kumar <vireshk@kernel.org>,
	Nishanth Menon <nm@ti.com>, Stephen Boyd <sboyd@kernel.org>,
	Michael Turquette <mturquette@baylibre.com>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Georgi Djakov <djakov@kernel.org>
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-pm@vger.kernel.org, linux-clk@vger.kernel.org,
	Christian Marangi <ansuelsmth@gmail.com>,
	Stephan Gerhold <stephan@gerhold.net>
Subject: Re: [PATCH v2 04/26] dt-bindings: clock: qcom,krait-cc: Krait core clock controller
Date: Mon, 26 Jun 2023 16:37:33 +0300	[thread overview]
Message-ID: <363c3902-a91a-a3a1-b721-65c10ac88421@linaro.org> (raw)
In-Reply-To: <40e70fff-88dc-683e-0016-1a24389b75b8@linaro.org>

On 26/06/2023 14:21, Konrad Dybcio wrote:
> On 25.06.2023 22:25, Dmitry Baryshkov wrote:
>> Define bindings for the Qualcomm Krait CPU and L2 clock controller. This
>> device is used on old Qualcomm SoCs (APQ8064, MSM8960) and supports up
>> to 4 core clocks and a separate L2 clock. Furthermore, L2 clock is
>> represented as the interconnect to facilitate L2 frequency scaling
>> together with scaling the CPU frequencies.
>>
>> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
>> ---
> Worth noting that there's no Krait cluster containing more than 4
> cores and the last SoC using this uarch was released 10y ago, so
> we can quite confidently say that the max cpu no won't change.

Yep. It it were new bindings, I'd probably use a different order: L2, 
then CPUs. But here I'm just documenting what is already done by the driver.

> 
> Konrad
>>   include/dt-bindings/clock/qcom,krait-cc.h | 17 +++++++++++++++++
>>   1 file changed, 17 insertions(+)
>>   create mode 100644 include/dt-bindings/clock/qcom,krait-cc.h
>>
>> diff --git a/include/dt-bindings/clock/qcom,krait-cc.h b/include/dt-bindings/clock/qcom,krait-cc.h
>> new file mode 100644
>> index 000000000000..ff69a0a968d8
>> --- /dev/null
>> +++ b/include/dt-bindings/clock/qcom,krait-cc.h
>> @@ -0,0 +1,17 @@
>> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
>> +/*
>> + * Copyright (C) 2023 Linaro Ltd. All rights reserved.
>> + */
>> +
>> +#ifndef __DT_BINDINGS_CLOCK_QCOM_KRAIT_CC_H
>> +#define __DT_BINDINGS_CLOCK_QCOM_KRAIT_CC_H
>> +
>> +#define KRAIT_CPU_0		0
>> +#define KRAIT_CPU_1		1
>> +#define KRAIT_CPU_2		2
>> +#define KRAIT_CPU_3		3
>> +#define KRAIT_L2		4
>> +
>> +#define KRAIT_NUM_CLOCKS	5
>> +
>> +#endif

-- 
With best wishes
Dmitry


  reply	other threads:[~2023-06-26 13:37 UTC|newest]

Thread overview: 65+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-25 20:25 [PATCH v2 00/26] ARM: qcom: apq8064: support CPU frequency scaling Dmitry Baryshkov
2023-06-25 20:25 ` [PATCH v2 01/26] dt-bindings: opp: opp-v2-kryo-cpu: support Qualcomm Krait SoCs Dmitry Baryshkov
2023-06-29 14:48   ` Rob Herring
2023-06-25 20:25 ` [PATCH v2 02/26] dt-bindings: soc: qcom: merge qcom,saw2.txt into qcom,spm.yaml Dmitry Baryshkov
2023-06-29 14:50   ` Rob Herring
2023-06-25 20:25 ` [PATCH v2 03/26] dt-bindings: soc: qcom: qcom,saw2: define optional regulator node Dmitry Baryshkov
2023-06-29 14:52   ` Rob Herring
2023-06-25 20:25 ` [PATCH v2 04/26] dt-bindings: clock: qcom,krait-cc: Krait core clock controller Dmitry Baryshkov
2023-06-26 11:21   ` Konrad Dybcio
2023-06-26 13:37     ` Dmitry Baryshkov [this message]
2023-06-29 14:53   ` Rob Herring
2023-06-25 20:25 ` [PATCH v2 05/26] dt-bindings: cache: describe L2 cache on Qualcomm Krait platforms Dmitry Baryshkov
2023-06-25 21:48   ` Rob Herring
2023-06-25 20:25 ` [PATCH v2 06/26] interconnect: icc-clk: add support for scaling using OPP Dmitry Baryshkov
2023-06-26 11:28   ` Konrad Dybcio
2023-06-26 13:44     ` Dmitry Baryshkov
2023-06-26 16:47       ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 07/26] clk: qcom: krait-cc: rewrite driver to use clk_hw instead of clk Dmitry Baryshkov
2023-06-25 20:25 ` [PATCH v2 08/26] soc: qcom: spm: add support for voltage regulator Dmitry Baryshkov
2023-06-26 11:47   ` Konrad Dybcio
2023-06-26 13:53     ` Dmitry Baryshkov
2023-06-26 14:00       ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 09/26] cpufreq: qcom-nvmem: create L2 cache device Dmitry Baryshkov
2023-06-26 11:50   ` Konrad Dybcio
2023-06-26 13:36     ` Dmitry Baryshkov
2023-07-02 17:37     ` Dmitry Baryshkov
2023-06-25 20:25 ` [PATCH v2 10/26] cpufreq: qcom-nvmem: also accept operating-points-v2-krait-cpu Dmitry Baryshkov
2023-06-26 11:50   ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 11/26] cpufreq: qcom-nvmem: drop pvs_ver for format a fuses Dmitry Baryshkov
2023-06-26 11:51   ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 12/26] cpufreq: qcom-nvmem: provide separate configuration data for apq8064 Dmitry Baryshkov
2023-06-25 20:25 ` [PATCH v2 13/26] soc: qcom: Add driver for Qualcomm Krait L2 cache scaling Dmitry Baryshkov
2023-06-29 20:43   ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 14/26] ARM: dts: qcom: apq8064: rename SAW nodes to power-manager Dmitry Baryshkov
2023-06-26 11:52   ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 15/26] ARM: dts: qcom: apq8064: declare SAW2 regulators Dmitry Baryshkov
2023-06-26 11:53   ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 16/26] ARM: dts: qcom: apq8064: add L2 cache scaling Dmitry Baryshkov
2023-06-26 16:37   ` Konrad Dybcio
2023-06-26 16:46     ` Konrad Dybcio
2023-06-26 19:04       ` Dmitry Baryshkov
2023-06-25 20:25 ` [PATCH v2 17/26] ARM: dts: qcom: apq8064: add simple CPUFreq support Dmitry Baryshkov
2023-06-26 16:40   ` Konrad Dybcio
2023-06-26 19:49     ` Dmitry Baryshkov
2023-06-27 12:13       ` Konrad Dybcio
2023-06-27 14:11         ` Dmitry Baryshkov
2023-06-27 16:34           ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 18/26] ARM: dts: qcom: apq8064: provide voltage scaling tables Dmitry Baryshkov
2023-06-26 16:43   ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 19/26] ARM: dts: qcom: apq8064: enable passive CPU cooling Dmitry Baryshkov
2023-06-26 16:43   ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 20/26] ARM: dts: qcom: apq8064-asus-nexus7-flo: constraint cpufreq regulators Dmitry Baryshkov
2023-06-26 16:44   ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 21/26] ARM: dts: qcom: apq8064-ifc6410: " Dmitry Baryshkov
2023-06-26 16:45   ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 22/26] ARM: dts: qcom: msm8960: declare SAW2 regulators Dmitry Baryshkov
2023-06-26 14:03   ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 23/26] ARM: dts: qcom: apq8084: drop 'regulator' property from SAW2 device Dmitry Baryshkov
2023-06-26 14:02   ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 24/26] ARM: dts: qcom: msm8974: " Dmitry Baryshkov
2023-06-26 14:02   ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 25/26] ARM: dts: qcom: ipq4019: drop 'regulator' property from SAW2 devices Dmitry Baryshkov
2023-06-26 14:02   ` Konrad Dybcio
2023-06-25 20:25 ` [PATCH v2 26/26] ARM: dts: qcom: ipq8064: " Dmitry Baryshkov
2023-06-26 14:02   ` Konrad Dybcio

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