From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756885AbbLHOiK (ORCPT ); Tue, 8 Dec 2015 09:38:10 -0500 Received: from mail-wm0-f53.google.com ([74.125.82.53]:35762 "EHLO mail-wm0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965112AbbLHOeR (ORCPT ); Tue, 8 Dec 2015 09:34:17 -0500 From: Lee Jones To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: kernel@stlinux.com, maxime.coquelin@st.com, viresh.kumar@linaro.org, linux-pm@vger.kernel.org, rjw@rjwysocki.net, devicetree@vger.kernel.org, ajitpal.singh@st.com, Lee Jones Subject: [PATCH v5 04/11] ARM: STi: STiH407: Provide generic (safe) DVFS configuration Date: Tue, 8 Dec 2015 14:31:57 +0000 Message-Id: <1449585124-15596-5-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1449585124-15596-1-git-send-email-lee.jones@linaro.org> References: <1449585124-15596-1-git-send-email-lee.jones@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org You'll notice that the voltage cell is populated with 0's. Voltage information is very platform specific, even depends on 'cut' and 'substrate' versions. Thus it is left blank for a generic (safe) implementation. If other nodes/properties are provided by the bootloader, the ST CPUFreq driver will over-ride these generic values. Signed-off-by: Lee Jones --- arch/arm/boot/dts/stih407-family.dtsi | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi index 81f8121..9fa1e58 100644 --- a/arch/arm/boot/dts/stih407-family.dtsi +++ b/arch/arm/boot/dts/stih407-family.dtsi @@ -22,15 +22,29 @@ device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <0>; + /* u-boot puts hpen in SBC dmem at 0xa4 offset */ cpu-release-addr = <0x94100A4>; + + /* kHz uV */ + operating-points = <1500000 0 + 1200000 0 + 800000 0 + 500000 0>; }; cpu@1 { device_type = "cpu"; compatible = "arm,cortex-a9"; reg = <1>; + /* u-boot puts hpen in SBC dmem at 0xa4 offset */ cpu-release-addr = <0x94100A4>; + + /* kHz uV */ + operating-points = <1500000 0 + 1200000 0 + 800000 0 + 500000 0>; }; }; -- 1.9.1