From patchwork Mon Aug 29 18:11:24 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Douglas Anderson X-Patchwork-Id: 9304295 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1EAE9601C0 for ; Mon, 29 Aug 2016 18:13:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 142D928924 for ; Mon, 29 Aug 2016 18:13:18 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 08BC728957; Mon, 29 Aug 2016 18:13:18 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9003428924 for ; Mon, 29 Aug 2016 18:13:17 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1beR2S-0007Yu-Th; Mon, 29 Aug 2016 18:12:04 +0000 Received: from mail-pa0-x22e.google.com ([2607:f8b0:400e:c03::22e]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1beR2L-0007UX-Bu for linux-arm-kernel@lists.infradead.org; Mon, 29 Aug 2016 18:11:58 +0000 Received: by mail-pa0-x22e.google.com with SMTP id ci2so11307627pad.3 for ; Mon, 29 Aug 2016 11:11:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id; bh=uuWZT3ves+6DvMh+0n1o38djpK1Vu2w0HPGu/PVAJ6U=; b=GSt1SgBHGpja/zwCIccQJsuqKsqfsmXYYPeLgZ7UXj8ANfs3vNPGUAUXue/d3VTo+P R3FQVHyFjqX3gS/Ao5gV/odMY+1OGIePE41e7O81toGFeNAA20MUUOTEv/UzV/fPnTJU hQtv5XvEdpMGXyuikRDaAnAxahB4LVBErBaFQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=uuWZT3ves+6DvMh+0n1o38djpK1Vu2w0HPGu/PVAJ6U=; b=dQslkMuNKuuJtJFtIphFfO7Id9oqtXVG2nzNX88SA/FyLQA+64iZt5ErtQfnxOMr7/ TIdQDlqeidE98BhWksUFjMNDHlWdDhZpVbWZH599oeBEHqOM4W0fgjomP+g5gj3cWvxh kWOwcmxDnXSMwx9RovbWHOmGXcpiuBqw4N7CgMTuHJs/W7jE0MCcZSUJRSr3JE8ZakXI C4D+ouFQgjxgRVC2EqqycanE1GpSl4XZEcd4PNM9bosVQuBLsMyRGnCsbA3k5/gDqs87 Z5Kjn53kimbRkB1ESwOHQeZ299XJmN08AAqd85qbEB+4vHljlQFe1aQayumkYcBRDCDU XaXA== X-Gm-Message-State: AE9vXwP45f0Qg+wKWX1J7akJZdx9G8Cng2ESnUDwFGAoKC8RLLnF/ZST6ZoUepadjA/0+xDI X-Received: by 10.66.181.139 with SMTP id dw11mr35530249pac.2.1472494296058; Mon, 29 Aug 2016 11:11:36 -0700 (PDT) Received: from chromelab4.mtv.corp.google.com ([100.98.62.8]) by smtp.gmail.com with ESMTPSA id d5sm50858935pfc.4.2016.08.29.11.11.34 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 29 Aug 2016 11:11:34 -0700 (PDT) From: Douglas Anderson To: Heiko Stuebner Subject: [PATCH] arm64: dts: rockchip: Explicitly set pclk_pmu_src on rk3399 Date: Mon, 29 Aug 2016 11:11:24 -0700 Message-Id: <1472494284-11315-1-git-send-email-dianders@chromium.org> X-Mailer: git-send-email 2.8.0.rc3.226.g39d4020 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160829_111157_508235_E649D09E X-CRM114-Status: GOOD ( 12.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, zhangqing@rock-chips.com, zhengxing@rock-chips.com, yamada.masahiro@socionext.com, catalin.marinas@arm.com, briannorris@chromium.org, will.deacon@arm.com, Douglas Anderson , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, david.wu@rock-chips.com, jay.xu@rock-chips.com, linux-arm-kernel@lists.infradead.org, wxt@rock-chips.com MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP On rk3399 we explicitly set ppll in the device tree to 676000000. The ppll has one major child, pclk_pmu_src, that is the parent of lots of other clocks. Right now nobody is setting that clock rate and we're relying on the divider to just happen to be something sane. Let's be explicit in our request so we're not relying on the firmware. With the current firmware I tested with this patch has no expected impact but it's probably good to do anyway. Signed-off-by: Douglas Anderson Reviewed-by: Brian Norris --- arch/arm64/boot/dts/rockchip/rk3399.dtsi | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index 62d450935a57..ffb3faa8c176 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi @@ -908,8 +908,8 @@ reg = <0x0 0xff750000 0x0 0x1000>; #clock-cells = <1>; #reset-cells = <1>; - assigned-clocks = <&pmucru PLL_PPLL>; - assigned-clock-rates = <676000000>; + assigned-clocks = <&pmucru PLL_PPLL>, <&pmucru PCLK_SRC_PMU>; + assigned-clock-rates = <676000000>, <112666667>; }; cru: clock-controller@ff760000 {