From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932855AbbD0LlH (ORCPT ); Mon, 27 Apr 2015 07:41:07 -0400 Received: from foss.arm.com ([217.140.101.70]:56426 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932480AbbD0LlB (ORCPT ); Mon, 27 Apr 2015 07:41:01 -0400 From: Sudeep Holla To: linux-kernel@vger.kernel.org Cc: Sudeep Holla , Liviu Dudau , Lorenzo Pieralisi , "Jon Medhurst (Tixy)" Subject: [PATCH 0/4] ARM64: add SCPI mailbox protocol, clock and CPUFreq support Date: Mon, 27 Apr 2015 12:40:42 +0100 Message-Id: <1430134846-24320-1-git-send-email-sudeep.holla@arm.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, This patch series adds support for: 1. SCPI(System Control and Power Interface) mailbox protocol driver. It uses ARM MHU mailbox controller driver on Juno but can work with any mailbox controllers using standard mailbox APIs 2. Add support for clocks provided by SCP firmware through the SCPI interface 3. Using the existing arm_big_little cpufreq driver and the newly added SCPI clock driver, it also adds support for DVFS on ARM64 JUNO development platforms. Regards, Sudeep Sudeep Holla (4): mailbox: add support for System Control and Power Interface(SCPI) protocol clk: add support for clocks provided by SCP(System Control Processor) clk: scpi: add support for cpufreq virtual device cpufreq: arm_big_little: add SCPI interface driver .../devicetree/bindings/mailbox/arm,scpi.txt | 121 ++++ drivers/clk/Kconfig | 10 + drivers/clk/Makefile | 1 + drivers/clk/clk-scpi.c | 357 +++++++++++ drivers/cpufreq/Kconfig.arm | 9 + drivers/cpufreq/Makefile | 1 + drivers/cpufreq/scpi-cpufreq.c | 103 +++ drivers/mailbox/Kconfig | 19 + drivers/mailbox/Makefile | 2 + drivers/mailbox/scpi_protocol.c | 694 +++++++++++++++++++++ include/linux/scpi_protocol.h | 57 ++ 11 files changed, 1374 insertions(+) create mode 100644 Documentation/devicetree/bindings/mailbox/arm,scpi.txt create mode 100644 drivers/clk/clk-scpi.c create mode 100644 drivers/cpufreq/scpi-cpufreq.c create mode 100644 drivers/mailbox/scpi_protocol.c create mode 100644 include/linux/scpi_protocol.h -- 1.9.1