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[109.252.193.60]) by smtp.googlemail.com with ESMTPSA id j19sm41718lfg.225.2021.03.23.16.01.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 23 Mar 2021 16:01:30 -0700 (PDT) Subject: Re: [PATCH v4 3/6] dt-bindings: power: tegra: Add binding for core power domain To: Rob Herring Cc: Thierry Reding , Jonathan Hunter , Mark Brown , Paul Fertser , Matt Merhar , Peter Geis , Nicolas Chauvet , Viresh Kumar , Stephen Boyd , =?UTF-8?B?TWljaGHFgiBNaXJvc8WCYXc=?= , Krzysztof Kozlowski , devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20210314164810.26317-1-digetx@gmail.com> <20210314164810.26317-4-digetx@gmail.com> <20210323224826.GA1490612@robh.at.kernel.org> From: Dmitry Osipenko Message-ID: Date: Wed, 24 Mar 2021 02:01:29 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 MIME-Version: 1.0 In-Reply-To: <20210323224826.GA1490612@robh.at.kernel.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org 24.03.2021 01:48, Rob Herring пишет: > On Sun, Mar 14, 2021 at 07:48:07PM +0300, Dmitry Osipenko wrote: >> All NVIDIA Tegra SoCs have a core power domain where majority of hardware >> blocks reside. Add binding for the core power domain. >> >> Signed-off-by: Dmitry Osipenko >> --- >> .../power/nvidia,tegra20-core-domain.yaml | 51 +++++++++++++++++++ >> 1 file changed, 51 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/power/nvidia,tegra20-core-domain.yaml >> >> diff --git a/Documentation/devicetree/bindings/power/nvidia,tegra20-core-domain.yaml b/Documentation/devicetree/bindings/power/nvidia,tegra20-core-domain.yaml >> new file mode 100644 >> index 000000000000..4692489d780a >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/power/nvidia,tegra20-core-domain.yaml >> @@ -0,0 +1,51 @@ >> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause >> +%YAML 1.2 >> +--- >> +$id: http://devicetree.org/schemas/power/nvidia,tegra20-core-domain.yaml# >> +$schema: http://devicetree.org/meta-schemas/core.yaml# >> + >> +title: NVIDIA Tegra Core Power Domain >> + >> +maintainers: >> + - Dmitry Osipenko >> + - Jon Hunter >> + - Thierry Reding >> + >> +allOf: >> + - $ref: power-domain.yaml# >> + >> +properties: >> + compatible: >> + enum: >> + - nvidia,tegra20-core-domain >> + - nvidia,tegra30-core-domain >> + >> + operating-points-v2: >> + description: >> + Should contain level, voltages and opp-supported-hw property. >> + The supported-hw is a bitfield indicating SoC speedo or process >> + ID mask. >> + >> + "#power-domain-cells": >> + const: 0 >> + >> + power-supply: >> + description: >> + Phandle to voltage regulator connected to the SoC Core power rail. >> + >> +required: >> + - compatible >> + - operating-points-v2 >> + - "#power-domain-cells" >> + - power-supply >> + >> +additionalProperties: false >> + >> +examples: >> + - | >> + power-domain { >> + compatible = "nvidia,tegra20-core-domain"; >> + operating-points-v2 = <&opp_table>; >> + power-supply = <®ulator>; >> + #power-domain-cells = <0>; > > AFAICT, there's no way to access this 'hardware'? correct