From patchwork Wed Jan 13 09:39:41 2021
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: "Leizhen (ThunderTown)" <thunder.leizhen@huawei.com>
X-Patchwork-Id: 1425735
Return-Path: <devicetree-owner@vger.kernel.org>
X-Original-To: incoming-dt@patchwork.ozlabs.org
Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org
Authentication-Results: ozlabs.org;
 spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org
 (client-ip=23.128.96.18; helo=vger.kernel.org;
 envelope-from=devicetree-owner@vger.kernel.org; receiver=<UNKNOWN>)
Authentication-Results: ozlabs.org;
 dmarc=none (p=none dis=none) header.from=huawei.com
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
	by ozlabs.org (Postfix) with ESMTP id 4DG2XW4nHQz9sVp
	for <incoming-dt@patchwork.ozlabs.org>;
 Wed, 13 Jan 2021 20:42:03 +1100 (AEDT)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
        id S1727207AbhAMJl3 (ORCPT
        <rfc822;incoming-dt@patchwork.ozlabs.org>);
        Wed, 13 Jan 2021 04:41:29 -0500
Received: from szxga05-in.huawei.com ([45.249.212.191]:11010 "EHLO
        szxga05-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
        with ESMTP id S1726534AbhAMJl2 (ORCPT
        <rfc822;devicetree@vger.kernel.org>); Wed, 13 Jan 2021 04:41:28 -0500
Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.58])
        by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4DG2Ts0y0tzj6Q7;
        Wed, 13 Jan 2021 17:39:45 +0800 (CST)
Received: from thunder-town.china.huawei.com (10.174.176.220) by
 DGGEMS404-HUB.china.huawei.com (10.3.19.204) with Microsoft SMTP Server id
 14.3.498.0; Wed, 13 Jan 2021 17:40:40 +0800
From: Zhen Lei <thunder.leizhen@huawei.com>
To: Russell King <rmk+kernel@arm.linux.org.uk>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Will Deacon <will.deacon@arm.com>,
        "Haojian Zhuang" <haojian.zhuang@gmail.com>,
        Arnd Bergmann <arnd@arndb.de>,
        Rob Herring <robh+dt@kernel.org>,
        Wei Xu <xuwei5@hisilicon.com>,
        devicetree <devicetree@vger.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
        linux-kernel <linux-kernel@vger.kernel.org>
CC: Zhen Lei <thunder.leizhen@huawei.com>
Subject: [PATCH v4 2/3] dt-bindings: arm: hisilicon: Add binding for Kunpeng
 L3 cache controller
Date: Wed, 13 Jan 2021 17:39:41 +0800
Message-ID: <20210113093942.809-3-thunder.leizhen@huawei.com>
X-Mailer: git-send-email 2.26.0.windows.1
In-Reply-To: <20210113093942.809-1-thunder.leizhen@huawei.com>
References: <20210113093942.809-1-thunder.leizhen@huawei.com>
MIME-Version: 1.0
X-Originating-IP: [10.174.176.220]
X-CFilter-Loop: Reflected
Precedence: bulk
List-ID: <devicetree.vger.kernel.org>
X-Mailing-List: devicetree@vger.kernel.org

Add devicetree binding for Hisilicon Kunpeng L3 cache controller.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
 .../arm/hisilicon/kunpeng-l3cache.yaml        | 37 +++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/hisilicon/kunpeng-l3cache.yaml

diff --git a/Documentation/devicetree/bindings/arm/hisilicon/kunpeng-l3cache.yaml b/Documentation/devicetree/bindings/arm/hisilicon/kunpeng-l3cache.yaml
new file mode 100644
index 000000000000000..c6aa502bf08fbee
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/hisilicon/kunpeng-l3cache.yaml
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/arm/hisilicon/kunpeng-l3cache.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Hisilicon Kunpeng L3 cache controller
+
+maintainers:
+  - Wei Xu <xuwei5@hisilicon.com>
+
+description: |
+  The Hisilicon Kunpeng L3 outer cache controller supports a maximum of 36-bit
+  physical addresses. The data cached in the L3 outer cache can be operated
+  based on the physical address range or the entire cache.
+
+properties:
+  compatible:
+    items:
+      - const: hisilicon,kunpeng-l3cache
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    l3cache@f302b000 {
+        compatible = "hisilicon,kunpeng-l3cache";
+        reg = <0xf302b000 0x1000>;
+    };
+...