linux-kernel - [PATCH 1/2] clk: qcom: Add DT bindings for ipq6018 apss clock controller

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Date:   Thu, 27 Feb 2020 15:25:17 +0530
From:   Sivaprakash Murugesan <sivaprak@...eaurora.org>
To:     agross@...nel.org, bjorn.andersson@...aro.org,
        mturquette@...libre.com, sboyd@...nel.org, robh+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     sivaprak@...eaurora.org
Subject: [PATCH 1/2] clk: qcom: Add DT bindings for ipq6018 apss clock controller

add dt-binding for ipq6018 apss clock controller

Signed-off-by: Sivaprakash Murugesan <sivaprak@...eaurora.org>
---
 .../devicetree/bindings/clock/qcom,apsscc.yaml     | 58 ++++++++++++++++++++++
 include/dt-bindings/clock/qcom,apss-ipq6018.h      | 26 ++++++++++
 2 files changed, 84 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/qcom,apsscc.yaml
 create mode 100644 include/dt-bindings/clock/qcom,apss-ipq6018.h

diff --git a/Documentation/devicetree/bindings/clock/qcom,apsscc.yaml b/Documentation/devicetree/bindings/clock/qcom,apsscc.yaml
new file mode 100644
index 0000000..7433721
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,apsscc.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bindings/clock/qcom,apsscc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm IPQ6018 APSS Clock Controller Binding
+
+maintainers:
+  - Stephen Boyd <sboyd@...nel.org>
+
+description: |
+  Qualcomm IPQ6018 APSS clock control module which supports the clocks with
+  frequencies above 800Mhz.
+
+properties:
+  compatible :
+    const: qcom,apss-ipq6018
+
+  clocks:
+    description: clocks required for this controller.
+    maxItems: 4
+
+  clock-names:
+    description: clock output names of required clocks.
+    maxItems: 4
+
+  '#clock-cells':
+    const: 1
+
+  '#reset-cells':
+    const: 1
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+  - '#reset-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+      #include <dt-bindings/clock/qcom,gcc-ipq6018.h>
+      apss_clk: qcom,apss_clk@...1000 {
+            compatible = "qcom,apss-ipq6018";
+            clocks = <&xo>, <&gcc GPLL0>,
+                        <&gcc GPLL2>, <&gcc GPLL4>;
+            clock-names = "xo", "gpll0",
+                         "gpll2", "gpll4";
+            reg = <0xb11100c 0x5ff4>;
+            #clock-cells = <1>;
+            #reset-cells = <1>;
+      };
+...
diff --git a/include/dt-bindings/clock/qcom,apss-ipq6018.h b/include/dt-bindings/clock/qcom,apss-ipq6018.h
new file mode 100644
index 0000000..ed9d7d8
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,apss-ipq6018.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _DT_BINDINGS_CLOCK_QCA_APSS_IPQ6018_H
+#define _DT_BINDINGS_CLOCK_QCA_APSS_IPQ6018_H
+
+#define APSS_PLL_EARLY				0
+#define APSS_PLL				1
+#define APCS_ALIAS0_CLK_SRC			2
+#define APCS_ALIAS0_CORE_CLK			3
+
+#endif
-- 
2.7.4