From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45A33CA9EA0 for ; Mon, 4 Nov 2019 11:47:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 153E521D81 for ; Mon, 4 Nov 2019 11:47:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727766AbfKDLrW (ORCPT ); Mon, 4 Nov 2019 06:47:22 -0500 Received: from mail-sh.amlogic.com ([58.32.228.43]:27110 "EHLO mail-sh.amlogic.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727236AbfKDLrW (ORCPT ); Mon, 4 Nov 2019 06:47:22 -0500 Received: from droid13.amlogic.com (116.236.93.172) by mail-sh.amlogic.com (10.18.11.5) with Microsoft SMTP Server id 15.1.1591.10; Mon, 4 Nov 2019 19:47:36 +0800 From: Jianxin Pan To: Kevin Hilman , CC: Jianxin Pan , Rob Herring , Neil Armstrong , Jerome Brunet , Martin Blumenstingl , , , , , Jian Hu , Hanjie Lin , Victor Wan , Xingyu Chen Subject: [PATCH v4 0/4] arm64: meson: add support for A1 Power Domains Date: Mon, 4 Nov 2019 19:47:04 +0800 Message-ID: <1572868028-73076-1-git-send-email-jianxin.pan@amlogic.com> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [116.236.93.172] Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This patchset introduces a "Secure Power Doamin Controller". In A1/C1, power controller registers such as PWRCTRL_FOCRSTN, PWRCTRL_PWR_OFF, PWRCTRL_MEM_PD and PWRCTRL_ISO_EN, are in the secure domain, and should be accessed from ATF by smc. Changes since v3 at [2]: - remove phandle to secure-monitor node Changes since v2 at [1]: - update domain id - include dt-bindings in dts Changes since v1 at [0]: - use APIs from sm driver - rename pwrc_secure_get_power as Kevin suggested - add comments for always on domains - replace arch_initcall_sync with builtin_platform_driver - fix coding style [0] https://lore.kernel.org/linux-amlogic/1568895064-4116-1-git-send-email-jianxin.pan@amlogic.com [1] https://lore.kernel.org/linux-amlogic/1570695678-42623-1-git-send-email-jianxin.pan@amlogic.com [2] https://lore.kernel.org/linux-amlogic/1571391167-79679-1-git-send-email-jianxin.pan@amlogic.com Jianxin Pan (4): dt-bindings: power: add Amlogic secure power domains bindings firmware: meson_sm: Add secure power domain support soc: amlogic: Add support for Secure power domains controller arm64: dts: meson: a1: add secure power domain controller .../bindings/power/amlogic,meson-sec-pwrc.yaml | 37 ++++ arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 7 + drivers/firmware/meson/meson_sm.c | 2 + drivers/soc/amlogic/Kconfig | 13 ++ drivers/soc/amlogic/Makefile | 1 + drivers/soc/amlogic/meson-secure-pwrc.c | 204 +++++++++++++++++++++ include/dt-bindings/power/meson-a1-power.h | 32 ++++ include/linux/firmware/meson/meson_sm.h | 2 + 8 files changed, 298 insertions(+) create mode 100644 Documentation/devicetree/bindings/power/amlogic,meson-sec-pwrc.yaml create mode 100644 drivers/soc/amlogic/meson-secure-pwrc.c create mode 100644 include/dt-bindings/power/meson-a1-power.h -- 2.7.4