From patchwork Tue Dec 13 16:43:00 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vignesh Raghavendra X-Patchwork-Id: 13072215 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B3613C4332F for ; Tue, 13 Dec 2022 16:45:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=LmtW7x0JaVDlcLWVR77TY2amEcxj+cGQbyBZ7XTq2rc=; b=sdlYUvz/0DrnKE sdLW8hy48jFMWHpkFHLThFs0GYq/pRY4mZh6WB4uRrsegSw6Dyj3TXN2QFPNFcGZVBWUX6yobtYJn D+Dn7eiSmoLOtvpyUywhe3H1gJ6i9G1xF/B0RYRc+z9J0DeFgVClzqUh2AaQ+dDwTyFGkDtEZMOrL Me4Kv36G/s8Pkz/aVejCXh8bw+ZAVQFtfvWjW2jxLkIgVU2eYkdEIRmdMwm3PxB/stJjAUu1ZxTm9 GjUUqhos56ZON9zl4njwdjP6FGMY6WC6PkwkTx7gyY6MoB1kjccFuPV3LyOntzIALVgaWF28uasu/ /+xFK04LFmqluJ8vwcDQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1p58Nr-0030ZM-2j; Tue, 13 Dec 2022 16:43:59 +0000 Received: from fllv0016.ext.ti.com ([198.47.19.142]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1p58NI-002ztR-4D for linux-arm-kernel@lists.infradead.org; Tue, 13 Dec 2022 16:43:26 +0000 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 2BDGhCAL042949; Tue, 13 Dec 2022 10:43:12 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1670949792; bh=1sdVIeBxoZTAw0wZ5K5+Bhj/ogaEqZRyuZbryv9UwlI=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=hEW/fUPwFxgKXn7fr86wLCXDNZ70m/iqH5o4ynC2TPpH/lq/7oF6gY5/BZIr8Z5Xd LmwV5M4c/EMrIEeguZVb+MOXvKgQ8JGkFZEFe1dPcYkFsVEqfDe3qt0ySzrnQb/Lv9 BzN72XT5J4uN6OgJzDSmco12s8r0gvj7CedKJQAw= Received: from DLEE112.ent.ti.com (dlee112.ent.ti.com [157.170.170.23]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 2BDGhCoP112121 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 13 Dec 2022 10:43:12 -0600 Received: from DLEE104.ent.ti.com (157.170.170.34) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Tue, 13 Dec 2022 10:43:12 -0600 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE104.ent.ti.com (157.170.170.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16 via Frontend Transport; Tue, 13 Dec 2022 10:43:12 -0600 Received: from uda0132425.dhcp.ti.com (ileaxei01-snat.itg.ti.com [10.180.69.5]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 2BDGh6gJ034997; Tue, 13 Dec 2022 10:43:09 -0600 From: Vignesh Raghavendra To: Peter Ujfalusi , Vinod Koul , Rob Herring , Krzysztof Kozlowski CC: , , , Vignesh Raghavendra , Subject: [PATCH v3 1/5] dt-bindings: dma: ti: k3-bcdma: Add bindings for BCDMA CSI RX Date: Tue, 13 Dec 2022 22:13:00 +0530 Message-ID: <20221213164304.1126945-2-vigneshr@ti.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221213164304.1126945-1-vigneshr@ti.com> References: <20221213164304.1126945-1-vigneshr@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221213_084324_290175_E9B62D0D X-CRM114-Status: GOOD ( 10.42 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org AM62A SoC has a dedicated BCDMA that serves Camera Serial Interface (CSI) IP. Add new compatible for the same. Unlike system BCDMA, this instance only has RX DMA channels and lack TX or block copy channel. Thus make those properties optional. Additionally CSI RX has independent power domain, add the binding for the same. Signed-off-by: Vignesh Raghavendra Reviewed-by: Krzysztof Kozlowski --- v3: Add min/max constraints for reg-names and reg on per compatible basis v2: reorder compatibles alphabetically Fix reg defintion to min 3 and max 5 Keep top level constraints as is and further restrict variants within "if-else" blocks .../devicetree/bindings/dma/ti/k3-bcdma.yaml | 77 ++++++++++++++----- 1 file changed, 59 insertions(+), 18 deletions(-) diff --git a/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml b/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml index 08627d91e607..2bc48dfd3396 100644 --- a/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml +++ b/Documentation/devicetree/bindings/dma/ti/k3-bcdma.yaml @@ -28,13 +28,19 @@ description: | PDMAs can be configured via BCDMA split channel's peer registers to match with the configuration of the legacy peripheral. -allOf: - - $ref: /schemas/dma/dma-controller.yaml# - - $ref: /schemas/arm/keystone/ti,k3-sci-common.yaml# - properties: compatible: - const: ti,am64-dmss-bcdma + enum: + - ti,am62a-dmss-bcdma-csirx + - ti,am64-dmss-bcdma + + reg: + minItems: 3 + maxItems: 5 + + reg-names: + minItems: 3 + maxItems: 5 "#dma-cells": const: 3 @@ -65,19 +71,13 @@ properties: cell 3: ASEL value for the channel - reg: - maxItems: 5 - - reg-names: - items: - - const: gcfg - - const: bchanrt - - const: rchanrt - - const: tchanrt - - const: ringrt - msi-parent: true + power-domains: + description: + Power domain if available + maxItems: 1 + ti,asel: $ref: /schemas/types.yaml#/definitions/uint32 description: ASEL value for non slave channels @@ -123,10 +123,51 @@ required: - msi-parent - ti,sci - ti,sci-dev-id - - ti,sci-rm-range-bchan - - ti,sci-rm-range-tchan - ti,sci-rm-range-rchan +allOf: + - $ref: /schemas/dma/dma-controller.yaml# + - $ref: /schemas/arm/keystone/ti,k3-sci-common.yaml# + + - if: + properties: + compatible: + contains: + const: ti,am62a-dmss-bcdma-csirx + then: + properties: + ti,sci-rm-range-bchan: false + ti,sci-rm-range-tchan: false + + reg: + maxItems: 3 + + reg-names: + items: + - const: gcfg + - const: rchanrt + - const: ringrt + + required: + - power-domains + + else: + properties: + reg: + minItems: 5 + + reg-names: + items: + - const: gcfg + - const: bchanrt + - const: rchanrt + - const: tchanrt + - const: ringrt + + required: + - ti,sci-rm-range-bchan + - ti,sci-rm-range-tchan + unevaluatedProperties: false examples: