From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751524AbcFCX2y (ORCPT ); Fri, 3 Jun 2016 19:28:54 -0400 Received: from mail-oi0-f48.google.com ([209.85.218.48]:33670 "EHLO mail-oi0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750740AbcFCXZp (ORCPT ); Fri, 3 Jun 2016 19:25:45 -0400 From: Andy Gross To: linux-arm-msm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Bjorn Andersson , Stephen Boyd , devicetree@vger.kernel.org, jilai wang , Andy Gross Subject: [Patch v6 01/10] dt/bindings: firmware: Add Qualcomm SCM binding Date: Fri, 3 Jun 2016 18:25:21 -0500 Message-Id: <1464996330-16952-2-git-send-email-andy.gross@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1464996330-16952-1-git-send-email-andy.gross@linaro.org> References: <1464996330-16952-1-git-send-email-andy.gross@linaro.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds the device tree support for the Qualcomm SCM firmware. Signed-off-by: Andy Gross Reviewed-by: Stephen Boyd Acked-by: Bjorn Andersson Acked-by: Rob Herring --- .../devicetree/bindings/firmware/qcom,scm.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/firmware/qcom,scm.txt diff --git a/Documentation/devicetree/bindings/firmware/qcom,scm.txt b/Documentation/devicetree/bindings/firmware/qcom,scm.txt new file mode 100644 index 0000000..3b4436e --- /dev/null +++ b/Documentation/devicetree/bindings/firmware/qcom,scm.txt @@ -0,0 +1,28 @@ +QCOM Secure Channel Manager (SCM) + +Qualcomm processors include an interface to communicate to the secure firmware. +This interface allows for clients to request different types of actions. These +can include CPU power up/down, HDCP requests, loading of firmware, and other +assorted actions. + +Required properties: +- compatible: must contain one of the following: + * "qcom,scm-apq8064" for APQ8064 platforms + * "qcom,scm-msm8660" for MSM8660 platforms + * "qcom,scm-msm8690" for MSM8690 platforms + * "qcom,scm" for later processors (MSM8916, APQ8084, MSM8974, etc) +- clocks: One to three clocks may be required based on compatible. + * Only core clock required for "qcom,scm-apq8064", "qcom,scm-msm8660", and "qcom,scm-msm8960" + * Core, iface, and bus clocks required for "qcom,scm" +- clock-names: Must contain "core" for the core clock, "iface" for the interface + clock and "bus" for the bus clock per the requirements of the compatible. + +Example for MSM8916: + + firmware { + scm { + compatible = "qcom,scm"; + clocks = <&gcc GCC_CRYPTO_CLK> , <&gcc GCC_CRYPTO_AXI_CLK>, <&gcc GCC_CRYPTO_AHB_CLK>; + clock-names = "core", "bus", "iface"; + }; + }; -- 1.9.1