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[194.187.74.233]) by smtp.gmail.com with ESMTPSA id q2sm601456lfd.84.2021.05.19.01.21.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 May 2021 01:21:08 -0700 (PDT) From: =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= To: Rob Herring Cc: Lee Jones , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Florian Fainelli , Vivek Unune , bcm-kernel-feedback-list@broadcom.com, =?utf-8?b?UmFmYcWCIE1pxYJlY2tp?= Subject: [PATCH V2 robh dt/next] dt-bindings: mfd: add Broadcom CRU Date: Wed, 19 May 2021 10:20:49 +0200 Message-Id: <20210519082049.30976-1-zajec5@gmail.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210415062839.11713-1-zajec5@gmail.com> References: <20210415062839.11713-1-zajec5@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Rafał Miłecki CRU is a block used in e.g. Northstar devices. It can be seen in the bcm5301x.dtsi and this binding documents its proper usage. Signed-off-by: Rafał Miłecki Reviewed-by: Rob Herring --- V2: Use complete binding & change additionalProperties to false NOTICE: this patch is based on top of the linux-next as it requires: ac5f8197d15c ("dt-bindings: pinctrl: convert Broadcom Northstar to the json-schema") 08e9fdfbb224 ("dt-bindings: thermal: brcm,ns-thermal: Convert to the json-schema") AND merged git@github.com:Broadcom/stblinux.git devicetree/next as it requires: 8f711f68cffd ("dt-bindings: clock: brcm, iproc-clocks: convert to the json-schema") This is reworked version of the [PATCH robh next] dt-bindings: bus: add Broadcom CRU https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20210309142241.16259-1-zajec5@gmail.com/ --- .../devicetree/bindings/mfd/brcm,cru.yaml | 89 +++++++++++++++++++ 1 file changed, 89 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/brcm,cru.yaml diff --git a/Documentation/devicetree/bindings/mfd/brcm,cru.yaml b/Documentation/devicetree/bindings/mfd/brcm,cru.yaml new file mode 100644 index 000000000000..d92424cc8226 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/brcm,cru.yaml @@ -0,0 +1,89 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/brcm,cru.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom CRU + +maintainers: + - Rafał Miłecki + +description: | + Broadcom CRU ("Clock and Reset Unit" or "Central Resource Unit") is a hardware + block grouping smaller blocks. On Broadcom Northstar platform it contains e.g. + clocks, pinctrl, USB PHY and thermal. + +properties: + compatible: + items: + - enum: + - brcm,ns-cru + - const: simple-mfd + + reg: + description: CRU registers + + ranges: true + + "#address-cells": + const: 1 + + "#size-cells": + const: 1 + + pinctrl: + $ref: ../pinctrl/brcm,ns-pinmux.yaml + +patternProperties: + '^lcpll0@[a-f0-9]+$': + $ref: ../clock/brcm,iproc-clocks.yaml + + '^genpll@[a-f0-9]+$': + $ref: ../clock/brcm,iproc-clocks.yaml + + '^thermal@[a-f0-9]+$': + $ref: ../thermal/brcm,ns-thermal.yaml + +additionalProperties: false + +required: + - reg + +examples: + - | + cru-bus@1800c100 { + compatible = "brcm,ns-cru", "simple-mfd"; + reg = <0x1800c100 0x1d0>; + ranges; + #address-cells = <1>; + #size-cells = <1>; + + lcpll0@100 { + #clock-cells = <1>; + compatible = "brcm,nsp-lcpll0"; + reg = <0x100 0x14>; + clocks = <&osc>; + clock-output-names = "lcpll0", "pcie_phy", "sdio", "ddr_phy"; + }; + + genpll@140 { + #clock-cells = <1>; + compatible = "brcm,nsp-genpll"; + reg = <0x140 0x24>; + clocks = <&osc>; + clock-output-names = "genpll", "phy", "ethernetclk", "usbclk", + "iprocfast", "sata1", "sata2"; + }; + + pinctrl { + compatible = "brcm,bcm4708-pinmux"; + offset = <0x1c0>; + }; + + thermal@2c0 { + compatible = "brcm,ns-thermal"; + reg = <0x2c0 0x10>; + #thermal-sensor-cells = <0>; + }; + };