From patchwork Thu Jan 9 10:55:51 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Basharath Hussain Khaja X-Patchwork-Id: 856130 Received: from server.wki.vra.mybluehostin.me (server.wki.vra.mybluehostin.me [162.240.238.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 849CD204C3C; Thu, 9 Jan 2025 10:56:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=162.240.238.73 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736420213; cv=none; b=dZBZZsunnvIFJMxdqOwb9YEf4QeKOG17ge6mGiMFWDgLQhmGyocxvJAa+7koyb6gNPs+E6lT8FEA3qNpUgmF5YmMCiEAtV1DaXtHkhz7m/We5yg1Z7l6eLnjJrSKoooMozbb3PKQDpeQLnSlygIC8RXw+nNF8xZhNXCD3QO0Exw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736420213; c=relaxed/simple; bh=xPXqSDZMzUUfYCgzAn46ou40xReND6qshKIYFoeWw6A=; 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bh=sFaixx0KzTSo8hAsW5gUn3OeAsZxPN2BYPc4qJiQZkA=; b=ozuYq36fJBzYIXYHY3Xb8voINH l2SZb6RhmEJu+Y+x2MjuWualyyfPhyjGofWjrPoaF+4vr4z07PLqGbUigBR/8Bfh0CMIOM24hAHpj sPAOzU9Tqtx6C/GZtPRdZqhZzf9KRdsUuQD75KohuAAkAHnKq85+WsAFLdTh9K9Jw4n1toxH+95wt SgkHKm2RHCo0aTMP5yjZgmWPNL47426Yy9Ruto6/u5SvnNrtVDq+XhcNj2JYw68tjGG2kPapXZ0uX 75T5S4ze0AfFmc5jESCpDF9JHFCQ/dvipBHFMVK/+cKYJZweLMMOB48qWmRURgFQ8lOxUNNwmdPr2 SaQmA+dQ==; Received: from [122.175.9.182] (port=16507 helo=cypher.couthit.local) by server.wki.vra.mybluehostin.me with esmtpa (Exim 4.96.2) (envelope-from ) id 1tVqDV-0006Xj-2i; Thu, 09 Jan 2025 16:26:45 +0530 From: Basharath Hussain Khaja To: danishanwar@ti.com, rogerq@kernel.org, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, nm@ti.com, ssantosh@kernel.org, tony@atomide.com, richardcochran@gmail.com, parvathi@couthit.com, basharath@couthit.com, schnelle@linux.ibm.com, rdunlap@infradead.org, diogo.ivo@siemens.com, m-karicheri2@ti.com, horms@kernel.org, jacob.e.keller@intel.com, m-malladi@ti.com, javier.carrasco.cruz@gmail.com, afd@ti.com, s-anna@ti.com Cc: linux-arm-kernel@lists.infradead.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, pratheesh@ti.com, prajith@ti.com, vigneshr@ti.com, praneeth@ti.com, srk@ti.com, rogerq@ti.com, krishna@couthit.com, pmohan@couthit.com, mohan@couthit.com Subject: [RFC PATCH 01/10] dt-bindings: net: ti: Adds device tree binding for DUAL-EMAC mode support on PRU-ICSS2 for AM57xx SOCs Date: Thu, 9 Jan 2025 16:25:51 +0530 Message-Id: <20250109105600.41297-2-basharath@couthit.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250109105600.41297-1-basharath@couthit.com> References: <20250109105600.41297-1-basharath@couthit.com> Precedence: bulk X-Mailing-List: linux-omap@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - server.wki.vra.mybluehostin.me X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - couthit.com X-Get-Message-Sender-Via: server.wki.vra.mybluehostin.me: authenticated_id: basharath@couthit.com X-Authenticated-Sender: server.wki.vra.mybluehostin.me: basharath@couthit.com X-Source: X-Source-Args: X-Source-Dir: From: Parvathi Pudi Documentation update for the newly added "pruss2_eth" device tree node and its dependencies along with compatibility for PRU-ICSS Industrial Ethernet Peripheral (IEP), PRU-ICSS Enhanced Capture (eCAP) peripheral and using YAML binding document for AM57xx SoCs. Signed-off-by: Roger Quadros Signed-off-by: Andrew F. Davis Signed-off-by: Murali Karicheri Signed-off-by: Parvathi Pudi Signed-off-by: Basharath Hussain Khaja --- .../devicetree/bindings/net/ti,icss-iep.yaml | 6 + .../bindings/net/ti,icssm-prueth.yaml | 153 ++++++++++++++++++ .../bindings/net/ti,pruss-ecap.yaml | 32 ++++ .../devicetree/bindings/soc/ti/ti,pruss.yaml | 9 ++ 4 files changed, 200 insertions(+) create mode 100644 Documentation/devicetree/bindings/net/ti,icssm-prueth.yaml create mode 100644 Documentation/devicetree/bindings/net/ti,pruss-ecap.yaml diff --git a/Documentation/devicetree/bindings/net/ti,icss-iep.yaml b/Documentation/devicetree/bindings/net/ti,icss-iep.yaml index e36e3a622904..afacdb61a84c 100644 --- a/Documentation/devicetree/bindings/net/ti,icss-iep.yaml +++ b/Documentation/devicetree/bindings/net/ti,icss-iep.yaml @@ -8,18 +8,24 @@ title: Texas Instruments ICSS Industrial Ethernet Peripheral (IEP) module maintainers: - Md Danish Anwar + - Parvathi Pudi + - Basharath Hussain Khaja properties: compatible: oneOf: - items: - enum: + - ti,am5728-icss-iep - ti,am642-icss-iep - ti,j721e-icss-iep - const: ti,am654-icss-iep - const: ti,am654-icss-iep + - items: + - enum: + - ti,am5728-icss-iep reg: maxItems: 1 diff --git a/Documentation/devicetree/bindings/net/ti,icssm-prueth.yaml b/Documentation/devicetree/bindings/net/ti,icssm-prueth.yaml new file mode 100644 index 000000000000..34d68619c086 --- /dev/null +++ b/Documentation/devicetree/bindings/net/ti,icssm-prueth.yaml @@ -0,0 +1,153 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/ti,icssm-prueth.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments ICSSM PRUSS Ethernet + +maintainers: + - Roger Quadros + - Andrew F. Davis + - Parvathi Pudi + - Basharath Hussain Khaja + +description: + Ethernet based on the Programmable Real-Time Unit and Industrial + Communication Subsystem. + +properties: + compatible: + enum: + - ti,am57-prueth # for AM57x SoC family + + sram: + $ref: /schemas/types.yaml#/definitions/phandle + description: + phandle to OCMC SRAM node + + ti,mii-rt: + $ref: /schemas/types.yaml#/definitions/phandle + description: + phandle to MII_RT module's syscon regmap + + ti,iep: + $ref: /schemas/types.yaml#/definitions/phandle + description: + phandle to IEP (Industrial Ethernet Peripheral) for ICSS + + ecap: + $ref: /schemas/types.yaml#/definitions/phandle + description: + phandle to Enhanced Capture (eCAP) event for ICSS + + interrupts: + maxItems: 2 + description: + Interrupt specifiers to IRQ. + + interrupt-names: + items: + - const: rx_lre_hp + - const: rx_lre_lp + + ethernet-ports: + type: object + additionalProperties: false + + properties: + '#address-cells': + const: 1 + '#size-cells': + const: 0 + + patternProperties: + ^port@[0-1]$: + type: object + description: ICSSM PRUETH external ports + $ref: ethernet-controller.yaml# + unevaluatedProperties: false + + properties: + reg: + items: + - enum: [0, 1] + description: ICSSG PRUETH port number + + interrupts: + maxItems: 3 + + interrupt-names: + items: + - const: rx + - const: emac_ptp_tx + - const: hsr_ptp_tx + + ti,no-half-duplex: + type: boolean + description: + Disable half duplex operation on ICSSM MII port. + + required: + - reg + anyOf: + - required: + - port@0 + - required: + - port@1 + +required: + - compatible + - sram + - ti,mii-rt + - ti,iep + - ecap + - ethernet-ports + - interrupts + - interrupt-names + +allOf: + - $ref: /schemas/remoteproc/ti,pru-consumer.yaml# + +unevaluatedProperties: false + +examples: + - | + /* Dual-MAC Ethernet application node on PRU-ICSS2 */ + pruss2_eth: pruss2-eth { + compatible = "ti,am57-prueth"; + ti,prus = <&pru2_0>, <&pru2_1>; + sram = <&ocmcram1>; + ti,mii-rt = <&pruss2_mii_rt>; + ti,iep = <&pruss2_iep>; + ecap = <&pruss2_ecap>; + interrupts = <20 2 2>, <21 3 3>; + interrupt-names = "rx_lre_hp", "rx_lre_lp"; + interrupt-parent = <&pruss2_intc>; + + ethernet-ports { + #address-cells = <1>; + #size-cells = <0>; + pruss2_emac0: port@0 { + reg = <0>; + phy-handle = <&pruss2_eth0_phy>; + phy-mode = "mii"; + interrupts = <20 2 2>, <26 6 6>, <23 6 6>; + interrupt-names = "rx", "emac_ptp_tx", "hsr_ptp_tx"; + ti,no-half-duplex; + /* Filled in by bootloader */ + local-mac-address = [00 00 00 00 00 00]; + }; + + pruss2_emac1: port@1 { + reg = <1>; + phy-handle = <&pruss2_eth1_phy>; + phy-mode = "mii"; + interrupts = <21 3 3>, <27 9 7>, <24 9 7>; + interrupt-names = "rx", "emac_ptp_tx", "hsr_ptp_tx"; + ti,no-half-duplex; + /* Filled in by bootloader */ + local-mac-address = [00 00 00 00 00 00]; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/net/ti,pruss-ecap.yaml b/Documentation/devicetree/bindings/net/ti,pruss-ecap.yaml new file mode 100644 index 000000000000..d42e636bf516 --- /dev/null +++ b/Documentation/devicetree/bindings/net/ti,pruss-ecap.yaml @@ -0,0 +1,32 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/ti,pruss-ecap.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Texas Instruments PRU-ICSS Enhanced Capture (eCAP) event module + +maintainers: + - Murali Karicheri + - Parvathi Pudi + - Basharath Hussain Khaja + +properties: + compatible: + const: ti,pruss-ecap + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + pruss0_ecap: ecap@30000 { + compatible = "ti,pruss-ecap"; + reg = <0x30000 0x60>; + }; diff --git a/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml b/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml index 927b3200e29e..ddd65bd93aa1 100644 --- a/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml +++ b/Documentation/devicetree/bindings/soc/ti/ti,pruss.yaml @@ -251,6 +251,15 @@ patternProperties: type: object + ecap@[a-f0-9]+$: + description: | + PRU-ICSS has a Enhanced Capture (eCAP) event module which can generate + and capture periodic timer based events which will be used for features + like RX Pacing to rise interrupt when the timer event has occurred. + Each PRU-ICSS instance has one eCAP modeule irrespective of SOCs. + + type: object + mii-rt@[a-f0-9]+$: description: | Real-Time Ethernet to support multiple industrial communication protocols.