From patchwork Wed Oct 23 16:50:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Stevenson X-Patchwork-Id: 13847575 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (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 325D5CFA452 for ; Wed, 23 Oct 2024 16:51:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A00B910E844; Wed, 23 Oct 2024 16:51:13 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=raspberrypi.com header.i=@raspberrypi.com header.b="LcSCAZbf"; dkim-atps=neutral Received: from mail-wm1-f48.google.com (mail-wm1-f48.google.com [209.85.128.48]) by gabe.freedesktop.org (Postfix) with ESMTPS id F38CE10E82D for ; Wed, 23 Oct 2024 16:50:55 +0000 (UTC) Received: by mail-wm1-f48.google.com with SMTP id 5b1f17b1804b1-43161c0068bso56792765e9.1 for ; Wed, 23 Oct 2024 09:50:55 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=raspberrypi.com; s=google; t=1729702254; x=1730307054; darn=lists.freedesktop.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=PFtxhxYujLumaUhYyF7W41V3jkXWk5OXPRGFqIjwWy0=; b=LcSCAZbf77K16RYlJrT917JoxgmA0LQ/vLcU1ZQYOqxXror8Z51OdUm3+Kh8KBwbHX t/rX2remoCw19WZWwPWOikAUiHVy8Mzg4kmZxNSdCNMD/BYmyFiVXK5vhOFn0AVPVVnP NV/SRNQebHFZ8gHhbSsU75PV6ATz1kQBdR7IkEkvTo3n3oK7Y5KeWad00ajJ2s0SYojK e8PyfX1PBwK5OX8o1tQMu3ACVvG9mvNoR6yYm+RGFXM+0a6+fpUl1UhHYBXZOBeWFX/v FpDXKA/v19slPUnQHvuN1GEn3RyknU9r2WCoCMi5zQBWVYLQ4k9nIsLxlpC8AVYqt40Z WHrg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729702254; x=1730307054; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=PFtxhxYujLumaUhYyF7W41V3jkXWk5OXPRGFqIjwWy0=; b=mfVks/j2FBGTqNUxjpBU6J7r3VffD84TyEQuhcsE3/3NBeJBCZXYxSMytKqWnTlIOH eFKpjSodfI0uBmdSD6anSgymRKItYZTEPiyeMcKSApzJ0t1vVwceB6hCfLg0yjo4LeTB ea2d7xn2qLXyqsO5Wd0cLD+OJpptQjDjAPBuoOinFm6y7mGmr98j7C/oxwOTaffM1qdP bZAEIDNLkABWfkH7of7T3MwZPKyKPQBn0/kgKlwg1VjyddySPsN6/EX6nGBA6GTdEhT4 wBDxS/X1QS7RnQ37MT+Vv86HBvKzbADxN8K8lJgMR0dkDLKctTi3LkKdXrFtD4njonmY 6e+g== X-Gm-Message-State: AOJu0YzMjI1kAYLjbfdtMEtpFR1uQ8ueRLDsAwXYttbHUdYKzR3xaTP8 C9+MeOn0sC6bs2fbaspE1FT0QhTaRBOSa04DU909rslA568SEhVI6qxUbkTS2Q8d4yvZPV8GauP 1oRw= X-Google-Smtp-Source: AGHT+IH4dOnkzCDNmAk4RGF4mcO+87rO9BS2DXATZO3jiQ7gGdJCQSnc4CC+BnBw8QyI1TRa/qtaAA== X-Received: by 2002:a05:600c:4a9a:b0:431:57e5:b245 with SMTP id 5b1f17b1804b1-4318423b9e1mr26772775e9.23.1729702254379; Wed, 23 Oct 2024 09:50:54 -0700 (PDT) Received: from [127.0.1.1] ([2a00:1098:3142:e::8]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-43186c50445sm21642035e9.39.2024.10.23.09.50.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Oct 2024 09:50:53 -0700 (PDT) From: Dave Stevenson Date: Wed, 23 Oct 2024 17:50:31 +0100 Subject: [PATCH 34/37] clk: bcm: rpi: Add disp clock MIME-Version: 1.0 Message-Id: <20241023-drm-vc4-2712-support-v1-34-1cc2d5594907@raspberrypi.com> References: <20241023-drm-vc4-2712-support-v1-0-1cc2d5594907@raspberrypi.com> In-Reply-To: <20241023-drm-vc4-2712-support-v1-0-1cc2d5594907@raspberrypi.com> To: Maxime Ripard , =?utf-8?q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , Ray Jui , Scott Branden , Michael Turquette , Stephen Boyd , Javier Martinez Canillas , Catalin Marinas , Will Deacon Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, Dave Stevenson X-Mailer: b4 0.14.1 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" From: Maxime Ripard BCM2712 has an extra clock exposed by the firmware called DISP, and used by (at least) the HVS. Let's add it to the list of clocks to register in Linux. Signed-off-by: Maxime Ripard Signed-off-by: Dave Stevenson --- drivers/clk/bcm/clk-raspberrypi.c | 5 +++++ include/soc/bcm2835/raspberrypi-firmware.h | 1 + 2 files changed, 6 insertions(+) diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c index 89e2c0241ff6..aff9f3195573 100644 --- a/drivers/clk/bcm/clk-raspberrypi.c +++ b/drivers/clk/bcm/clk-raspberrypi.c @@ -34,6 +34,7 @@ static char *rpi_firmware_clk_names[] = { [RPI_FIRMWARE_M2MC_CLK_ID] = "m2mc", [RPI_FIRMWARE_PIXEL_BVB_CLK_ID] = "pixel-bvb", [RPI_FIRMWARE_VEC_CLK_ID] = "vec", + [RPI_FIRMWARE_DISP_CLK_ID] = "disp", }; #define RPI_FIRMWARE_STATE_ENABLE_BIT BIT(0) @@ -139,6 +140,10 @@ raspberrypi_clk_variants[RPI_FIRMWARE_NUM_CLK_ID] = { .export = true, .minimize = true, }, + [RPI_FIRMWARE_DISP_CLK_ID] = { + .export = true, + .minimize = true, + }, }; /* diff --git a/include/soc/bcm2835/raspberrypi-firmware.h b/include/soc/bcm2835/raspberrypi-firmware.h index 73cac8d0287e..e1f87fbfe554 100644 --- a/include/soc/bcm2835/raspberrypi-firmware.h +++ b/include/soc/bcm2835/raspberrypi-firmware.h @@ -152,6 +152,7 @@ enum rpi_firmware_clk_id { RPI_FIRMWARE_M2MC_CLK_ID, RPI_FIRMWARE_PIXEL_BVB_CLK_ID, RPI_FIRMWARE_VEC_CLK_ID, + RPI_FIRMWARE_DISP_CLK_ID, RPI_FIRMWARE_NUM_CLK_ID, };