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Wed, 17 Apr 2024 18:14:16 -0700 (PDT) Received: from DC5-EXCH05.marvell.com (10.69.176.209) by DC5-EXCH05.marvell.com (10.69.176.209) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.4; Wed, 17 Apr 2024 18:14:15 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH05.marvell.com (10.69.176.209) with Microsoft SMTP Server id 15.2.1544.4 via Frontend Transport; Wed, 17 Apr 2024 18:14:15 -0700 Received: from Dell2s-9.sclab.marvell.com (unknown [10.110.150.250]) by maili.marvell.com (Postfix) with ESMTP id 149BB3F7070; Wed, 17 Apr 2024 18:14:15 -0700 (PDT) From: Witold Sadowski To: , , CC: , , , , , Witold Sadowski Subject: [PATCH v3 2/5] spi: cadence: Add MRVL overlay bindings documentation for Cadence XSPI Date: Wed, 17 Apr 2024 18:13:49 -0700 Message-ID: <20240418011353.1764672-3-wsadowski@marvell.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240418011353.1764672-1-wsadowski@marvell.com> References: <20240329194849.25554-1-wsadowski@marvell.com> <20240418011353.1764672-1-wsadowski@marvell.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-GUID: cLdHQbmdxTnXUx_ynm9dkS12epYA7iTh X-Proofpoint-ORIG-GUID: cLdHQbmdxTnXUx_ynm9dkS12epYA7iTh X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-04-17_20,2024-04-17_01,2023-05-22_02 Add new bindings for v2 Marvell xSPI overlay: mrvl,xspi-nor compatible string New compatible string to distinguish between orginal and modified xSPI block PHY configuration registers Allow to change orginal xSPI PHY configuration values. If not set, and Marvell overlay is enabled, safe defaults will be written into xSPI PHY Optional base for xfer register set Additional reg field to allocate xSPI Marvell overlay XFER block Signed-off-by: Witold Sadowski --- .../devicetree/bindings/spi/cdns,xspi.yaml | 92 ++++++++++++++++++- 1 file changed, 91 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/spi/cdns,xspi.yaml b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml index eb0f92468185..0e608245b136 100644 --- a/Documentation/devicetree/bindings/spi/cdns,xspi.yaml +++ b/Documentation/devicetree/bindings/spi/cdns,xspi.yaml @@ -20,23 +20,82 @@ allOf: properties: compatible: - const: cdns,xspi-nor + oneOf: + - description: Vanilla Cadence xSPI controller + items: + - const: cdns,xspi-nor + - description: Cadence xSPI controller with v2 Marvell overlay + items: + - const: mrvl,xspi-nor + reg: + minItems: 3 items: - description: address and length of the controller register set - description: address and length of the Slave DMA data port - description: address and length of the auxiliary registers + - description: address and length of the xfer registers reg-names: + minItems: 3 items: - const: io - const: sdma - const: aux + - const: xferbase interrupts: maxItems: 1 + cdns,dll-phy-control: + description: | + PHY config register. Valid only for cdns,mrvl-xspi-nor + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0x707 + + cdns,rfile-phy-control: + description: | + PHY config register. Valid only for cdns,mrvl-xspi-nor + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0x40000 + + cdns,rfile-phy-tsel: + description: | + PHY config register. Valid only for cdns,mrvl-xspi-nor + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0 + + cdns,phy-dq-timing: + description: | + PHY config register. Valid only for cdns,mrvl-xspi-nor + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0x101 + + cdns,phy-dqs-timing: + description: | + PHY config register. Valid only for cdns,mrvl-xspi-nor + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0x700404 + + cdns,phy-gate-lpbk-ctrl: + description: | + PHY config register. Valid only for cdns,mrvl-xspi-nor + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0x200030 + + cdns,phy-dll-master-ctrl: + description: | + PHY config register. Valid only for cdns,mrvl-xspi-nor + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0x00800000 + + cdns,phy-dll-slave-ctrl: + description: | + PHY config register. Valid only for cdns,mrvl-xspi-nor + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0x0000ff01 + required: - compatible - reg @@ -68,6 +127,37 @@ examples: reg = <0>; }; + flash@1 { + compatible = "jedec,spi-nor"; + spi-max-frequency = <75000000>; + reg = <1>; + }; + }; + }; + - | + #include + bus { + #address-cells = <2>; + #size-cells = <2>; + + mrvl_xspi: spi@d0010000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "mrvl,xspi-nor"; + reg = <0x0 0xa0010000 0x0 0x1040>, + <0x0 0xb0000000 0x0 0x1000>, + <0x0 0xa0020000 0x0 0x100>, + <0x0 0xa0090000 0x0 0x100>; + reg-names = "io", "sdma", "aux", "xferbase"; + interrupts = <0 90 IRQ_TYPE_LEVEL_HIGH>; + interrupt-parent = <&gic>; + + flash@0 { + compatible = "jedec,spi-nor"; + spi-max-frequency = <75000000>; + reg = <0>; + }; + flash@1 { compatible = "jedec,spi-nor"; spi-max-frequency = <75000000>;