From patchwork Wed Jan 17 10:25:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Siddharth Vadapalli X-Patchwork-Id: 13521567 X-Patchwork-Delegate: kw@linux.com Received: from lelv0142.ext.ti.com (lelv0142.ext.ti.com [198.47.23.249]) (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 ABA131426B; Wed, 17 Jan 2024 10:25:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.47.23.249 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705487157; cv=none; b=eN22C6qVoeFgdXRLPW79SPWGfxoysRKw4AJv4+y+uieqEYfe9Gw5/DZSbRqyA24Ls36qnveuLQZDQotZmwxDON/glYOEjVtAw7mZfd5uA5AGS5zFqOBH6NRnFgKiFZMDCIAdH6SvxNQiq2c9vI/65Ug9eTXhkaGWXedCAccazmE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705487157; c=relaxed/simple; bh=zEq/Rqwzz58yugJ7O6HFCLNcp/L546wF05MutcUd85w=; h=Received:DKIM-Signature:Received:Received:Received:Received:From: To:CC:Subject:Date:Message-ID:X-Mailer:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding:Content-Type: X-EXCLAIMER-MD-CONFIG; b=qQxNJF7kdNLlhPWe96DsCKlZ7ncy4ix9mHOpAuB1YG2Wkmvp76a0Q9q9qjpG4os58uhiINQ/J8lTKAyP2+bJvNkHt13LTJ03IM0ZEML8wP1N6CfXq9oj0DVZSAFPkTdqkyN7TjFhOlvmUZTfRg5jd9j5ORlkMVkwG28AzrhBIQU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=gkm45FAU; arc=none smtp.client-ip=198.47.23.249 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="gkm45FAU" Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id 40HAPePa114425; Wed, 17 Jan 2024 04:25:40 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1705487140; bh=5ebXy5GPqux5fMHU7cuSKJ1s77z14M6gC1nB/S0E6pA=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=gkm45FAU84k14nOb8OKdn8czXYJz7CWNcFkP0hsUe1oGo9EIfeyLWttDl5hXOjpZh vROkeg940FPWf7C/MvhxAdrh/S49MRQZ+QnKTbz4U6GSJX5Dj32GiBsYDfrJInuGKC Js4c89rPn5Y418HgR2ffL/WU/F4CpciwXXxvu3n8= Received: from DFLE115.ent.ti.com (dfle115.ent.ti.com [10.64.6.36]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 40HAPexv035508 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 17 Jan 2024 04:25:40 -0600 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Wed, 17 Jan 2024 04:25:40 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE114.ent.ti.com (10.64.6.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Wed, 17 Jan 2024 04:25:40 -0600 Received: from uda0492258.dhcp.ti.com (uda0492258.dhcp.ti.com [172.24.227.9]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 40HAPQIh042834; Wed, 17 Jan 2024 04:25:36 -0600 From: Siddharth Vadapalli To: , , , , , CC: , , , , , , , Subject: [PATCH 2/3] dt-bindings: PCI: ti,j721e-pci-*: Add checks for max-link-speed Date: Wed, 17 Jan 2024 15:55:25 +0530 Message-ID: <20240117102526.557006-3-s-vadapalli@ti.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240117102526.557006-1-s-vadapalli@ti.com> References: <20240117102526.557006-1-s-vadapalli@ti.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Extend the existing compatible based checks for validating and enforcing the "max-link-speed" property. Signed-off-by: Siddharth Vadapalli --- .../devicetree/bindings/pci/ti,j721e-pci-ep.yaml | 8 ++++++++ .../devicetree/bindings/pci/ti,j721e-pci-host.yaml | 8 ++++++++ 2 files changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml index 278e0892f8ac..4839a9574e20 100644 --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml @@ -73,6 +73,8 @@ allOf: - const: ti,j721e-pcie-ep then: properties: + max-link-speed: + const: 2 num-lanes: const: 1 @@ -84,6 +86,8 @@ allOf: - const: ti,j721e-pcie-ep then: properties: + max-link-speed: + const: 3 num-lanes: minimum: 1 maximum: 2 @@ -95,6 +99,8 @@ allOf: - const: ti,j721e-pcie-ep then: properties: + max-link-speed: + const: 3 num-lanes: minimum: 1 maximum: 4 @@ -106,6 +112,8 @@ allOf: - const: ti,j784s4-pcie-ep then: properties: + max-link-speed: + const: 3 num-lanes: minimum: 1 maximum: 4 diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml index 36bcc8cb7896..005546dc8bd4 100644 --- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml +++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml @@ -102,6 +102,8 @@ allOf: - const: ti,j721e-pcie-host then: properties: + max-link-speed: + const: 2 num-lanes: const: 1 @@ -113,6 +115,8 @@ allOf: - const: ti,j721e-pcie-host then: properties: + max-link-speed: + const: 3 num-lanes: minimum: 1 maximum: 2 @@ -124,6 +128,8 @@ allOf: - const: ti,j721e-pcie-host then: properties: + max-link-speed: + const: 3 num-lanes: minimum: 1 maximum: 4 @@ -135,6 +141,8 @@ allOf: - const: ti,j784s4-pcie-host then: properties: + max-link-speed: + const: 3 num-lanes: minimum: 1 maximum: 4