From patchwork Sat Dec 25 20:53:51 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Heidelberg X-Patchwork-Id: 528034 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1F11DC433EF for ; Sat, 25 Dec 2021 20:54:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229817AbhLYUyN (ORCPT ); Sat, 25 Dec 2021 15:54:13 -0500 Received: from ixit.cz ([94.230.151.217]:56204 "EHLO ixit.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229796AbhLYUyM (ORCPT ); Sat, 25 Dec 2021 15:54:12 -0500 Received: from localhost.localdomain (ip-89-176-96-70.net.upcbroadband.cz [89.176.96.70]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ixit.cz (Postfix) with ESMTPSA id 500D42243C; Sat, 25 Dec 2021 21:54:09 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ixit.cz; s=dkim; t=1640465649; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=150UHBr6HzAaBdUskEOm6GoTKRc5CVonpyHjfrtUJVo=; b=GpsEd06seJGr8ThNPxco1TE8cGwqqioyusv18iGfQrQza222peA8uCV4vxR39gC96V65aP hrP/8AWPcittQo8hvrujChvReDls5fMQ6nFst2HgytZpC0xPp9yjwz+bN2nKHFbwkho6wR Q91dZMq3xSyWFzbjsRdaqmzgbWkeu3Y= From: David Heidelberg To: Rob Clark , Sean Paul , Abhinav Kumar , David Airlie , Daniel Vetter , Rob Herring , Krishna Manikandan Cc: ~okias/devicetree@lists.sr.ht, David Heidelberg , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] Discussion: dt-bindings: display: msm: dsi-controller-main: fix the binding Date: Sat, 25 Dec 2021 21:53:51 +0100 Message-Id: <20211225205352.76827-1-david@ixit.cz> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org This binding is not much validating the old DSI v2. Currently we don't differentiate old v2 from new versions, so we need to figure out how to validate them. I propose specific compatible depending on mdss version, but I would be glad, if someone with deeper knowledge proposed the names. I'm willing to implement it then and back from autodetection. David --- .../display/msm/dsi-controller-main.yaml | 53 ++++++++++++------- 1 file changed, 35 insertions(+), 18 deletions(-) diff --git a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml index 35426fde8610..6688ddcd7526 100644 --- a/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml +++ b/Documentation/devicetree/bindings/display/msm/dsi-controller-main.yaml @@ -27,22 +27,34 @@ properties: maxItems: 1 clocks: - items: - - description: Display byte clock - - description: Display byte interface clock - - description: Display pixel clock - - description: Display escape clock - - description: Display AHB clock - - description: Display AXI clock + oneOf: + - minItems: 7 # APQ8064 + maxItems: 7 + - items: + - description: Display byte clock + - description: Display byte interface clock + - description: Display pixel clock + - description: Display escape clock + - description: Display AHB clock + - description: Display AXI clock clock-names: - items: - - const: byte - - const: byte_intf - - const: pixel - - const: core - - const: iface - - const: bus + oneOf: + - items: # DSI v2 (APQ8064) + - const: iface # from dsi_v2_bus_clk_names + - const: bus + - const: core_mmss + - const: src # from dsi_clk_init_v2 + - const: byte # from dsi_clk_init + - const: pixel + - const: core + - items: + - const: byte + - const: byte_intf + - const: pixel + - const: core + - const: iface + - const: bus phys: maxItems: 1 @@ -66,15 +78,17 @@ properties: assigned-clocks: minItems: 2 - maxItems: 2 + maxItems: 4 description: | Parents of "byte" and "pixel" for the given platform. + For older v2, "byte", "esc", "src" and "pixel". assigned-clock-parents: minItems: 2 - maxItems: 2 + maxItems: 4 description: | The Byte clock and Pixel clock PLL outputs provided by a DSI PHY block. + For older v2, Byte, Escape, Source and Pixel clock PLL outputs. power-domains: maxItems: 1 @@ -124,6 +138,9 @@ properties: - port@0 - port@1 +patternProperties: + '^(avdd|vdd|vdda)-supply$': true # FIXME only APQ8064 supplies + required: - compatible - reg @@ -135,8 +152,8 @@ required: - phy-names - assigned-clocks - assigned-clock-parents - - power-domains - - operating-points-v2 + # - power-domains # v2 doesn't seems to need it? + # - operating-points-v2 # v2 doesn't have opp implemented yet - ports additionalProperties: false