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Tue, 02 Apr 2024 05:07:57 -0700 (PDT) Received: from [127.0.1.1] ([79.114.172.194]) by smtp.gmail.com with ESMTPSA id l13-20020a1709065a8d00b00a4df251a601sm6519384ejq.77.2024.04.02.05.07.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Apr 2024 05:07:57 -0700 (PDT) From: Abel Vesa Date: Tue, 02 Apr 2024 15:07:30 +0300 Subject: [PATCH v8 1/7] dt-bindings: spmi: Add X1E80100 SPMI PMIC ARB schema Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240402-spmi-multi-master-support-v8-1-ce6f2d14a058@linaro.org> References: <20240402-spmi-multi-master-support-v8-0-ce6f2d14a058@linaro.org> In-Reply-To: <20240402-spmi-multi-master-support-v8-0-ce6f2d14a058@linaro.org> To: Stephen Boyd , Matthias Brugger , Bjorn Andersson , Konrad Dybcio , Dmitry Baryshkov , Neil Armstrong , AngeloGioacchino Del Regno , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: Srini Kandagatla , Johan Hovold , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, Abel Vesa , Krzysztof Kozlowski X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; 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a=openpgp; fpr=6AFF162D57F4223A8770EF5AF7BF214136F41FAE Add dedicated schema for X1E80100 PMIC ARB (v7) as it allows multiple buses by declaring them as child nodes. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Abel Vesa --- .../bindings/spmi/qcom,x1e80100-spmi-pmic-arb.yaml | 136 +++++++++++++++++++++ 1 file changed, 136 insertions(+) diff --git a/Documentation/devicetree/bindings/spmi/qcom,x1e80100-spmi-pmic-arb.yaml b/Documentation/devicetree/bindings/spmi/qcom,x1e80100-spmi-pmic-arb.yaml new file mode 100644 index 000000000000..f32a7ae33b4b --- /dev/null +++ b/Documentation/devicetree/bindings/spmi/qcom,x1e80100-spmi-pmic-arb.yaml @@ -0,0 +1,136 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spmi/qcom,x1e80100-spmi-pmic-arb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm X1E80100 SPMI Controller (PMIC Arbiter v7) + +maintainers: + - Stephen Boyd + +description: | + The X1E80100 SPMI PMIC Arbiter implements HW version 7 and it's an SPMI + controller with wrapping arbitration logic to allow for multiple on-chip + devices to control up to 2 SPMI separate buses. + + The PMIC Arbiter can also act as an interrupt controller, providing interrupts + to slave devices. + +properties: + compatible: + const: qcom,x1e80100-spmi-pmic-arb + + reg: + items: + - description: core registers + - description: tx-channel per virtual slave regosters + - description: rx-channel (called observer) per virtual slave registers + + reg-names: + items: + - const: core + - const: chnls + - const: obsrvr + + ranges: true + + '#address-cells': + const: 2 + + '#size-cells': + const: 2 + + qcom,ee: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 5 + description: > + indicates the active Execution Environment identifier + + qcom,channel: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 5 + description: > + which of the PMIC Arb provided channels to use for accesses + +patternProperties: + "^spmi@[a-f0-9]+$": + type: object + $ref: /schemas/spmi/spmi.yaml + unevaluatedProperties: false + + properties: + reg: + items: + - description: configuration registers + - description: interrupt controller registers + + reg-names: + items: + - const: cnfg + - const: intr + + interrupts: + maxItems: 1 + + interrupt-names: + const: periph_irq + + interrupt-controller: true + + '#interrupt-cells': + const: 4 + description: | + cell 1: slave ID for the requested interrupt (0-15) + cell 2: peripheral ID for requested interrupt (0-255) + cell 3: the requested peripheral interrupt (0-7) + cell 4: interrupt flags indicating level-sense information, + as defined in dt-bindings/interrupt-controller/irq.h + +required: + - compatible + - reg-names + - qcom,ee + - qcom,channel + +additionalProperties: false + +examples: + - | + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + spmi: arbiter@c400000 { + compatible = "qcom,x1e80100-spmi-pmic-arb"; + reg = <0 0x0c400000 0 0x3000>, + <0 0x0c500000 0 0x4000000>, + <0 0x0c440000 0 0x80000>; + reg-names = "core", "chnls", "obsrvr"; + + qcom,ee = <0>; + qcom,channel = <0>; + + #address-cells = <2>; + #size-cells = <2>; + ranges; + + spmi_bus0: spmi@c42d000 { + reg = <0 0x0c42d000 0 0x4000>, + <0 0x0c4c0000 0 0x10000>; + reg-names = "cnfg", "intr"; + + interrupt-names = "periph_irq"; + interrupts-extended = <&pdc 1 IRQ_TYPE_LEVEL_HIGH>; + interrupt-controller; + #interrupt-cells = <4>; + + #address-cells = <2>; + #size-cells = <0>; + }; + }; + };