linux-kernel - [PATCH v4 1/4] dt-bindings: interconnect: Add OSM L3 DT bindings

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 10 Jan 2020 02:42:12 +0530
From:   Sibi Sankar <sibis@...eaurora.org>
To:     robh+dt@...nel.org, georgi.djakov@...aro.org, evgreen@...omium.org
Cc:     bjorn.andersson@...aro.org, agross@...nel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, mark.rutland@....com,
        daidavid1@...eaurora.org, saravanak@...gle.com,
        viresh.kumar@...aro.org, Sibi Sankar <sibis@...eaurora.org>
Subject: [PATCH v4 1/4] dt-bindings: interconnect: Add OSM L3 DT bindings

Add bindings for Operating State Manager (OSM) L3 interconnect provider
on SDM845 SoCs.

Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
---
 .../bindings/interconnect/qcom,osm-l3.yaml    | 61 +++++++++++++++++++
 .../dt-bindings/interconnect/qcom,osm-l3.h    | 12 ++++
 2 files changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml
 create mode 100644 include/dt-bindings/interconnect/qcom,osm-l3.h

diff --git a/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml b/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml
new file mode 100644
index 0000000000000..b4d46a1e92573
--- /dev/null
+++ b/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml
@@ -0,0 +1,61 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interconnect/qcom,osm-l3.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Operating State Manager (OSM) L3 Interconnect Provider
+
+maintainers:
+  - Sibi Sankar <sibis@...eaurora.org>
+
+description:
+  L3 cache bandwidth requirements on Qualcomm SoCs is serviced by the OSM.
+  The OSM L3 interconnect provider aggregates the L3 bandwidth requests
+  from CPU/GPU and relays it to the OSM.
+
+properties:
+  compatible:
+    enum:
+      - qcom,sdm845-osm-l3
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: xo clock
+      - description: alternate clock
+
+  clock-names:
+    items:
+      - const: xo
+      - const: alternate
+
+  '#interconnect-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - '#interconnect-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+
+    #define GPLL0               165
+    #define RPMH_CXO_CLK        0
+
+    osm_l3: interconnect@...41000 {
+      compatible = "qcom,sdm845-osm-l3";
+      reg = <0x17d41000 0x1400>;
+
+      clocks = <&rpmhcc RPMH_CXO_CLK>, <&gcc GPLL0>;
+      clock-names = "xo", "alternate";
+
+      #interconnect-cells = <1>;
+    };
diff --git a/include/dt-bindings/interconnect/qcom,osm-l3.h b/include/dt-bindings/interconnect/qcom,osm-l3.h
new file mode 100644
index 0000000000000..54858ff7674d7
--- /dev/null
+++ b/include/dt-bindings/interconnect/qcom,osm-l3.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2019 The Linux Foundation. All rights reserved.
+ */
+
+#ifndef __DT_BINDINGS_INTERCONNECT_QCOM_OSM_L3_H
+#define __DT_BINDINGS_INTERCONNECT_QCOM_OSM_L3_H
+
+#define MASTER_OSM_L3_APPS	0
+#define SLAVE_OSM_L3		1
+
+#endif
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project