From 574eed3f6fcf056aa4c9e46c4b5224e3f7844d8d Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Thu, 19 Dec 2019 05:46:54 +0100
Subject: dts: update to v5.5-rc1

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
---
 dts/Bindings/clock/bitmain,bm1880-clk.yaml | 76 ++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 dts/Bindings/clock/bitmain,bm1880-clk.yaml

(limited to 'dts/Bindings/clock/bitmain,bm1880-clk.yaml')

diff --git a/dts/Bindings/clock/bitmain,bm1880-clk.yaml b/dts/Bindings/clock/bitmain,bm1880-clk.yaml
new file mode 100644
index 0000000000..e63827399c
--- /dev/null
+++ b/dts/Bindings/clock/bitmain,bm1880-clk.yaml
@@ -0,0 +1,76 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/bindings/clock/bitmain,bm1880-clk.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Bitmain BM1880 Clock Controller
+
+maintainers:
+  - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+
+description: |
+  The Bitmain BM1880 clock controller generates and supplies clock to
+  various peripherals within the SoC.
+
+  This binding uses common clock bindings
+  [1] Documentation/devicetree/bindings/clock/clock-bindings.txt
+
+properties:
+  compatible:
+    const: bitmain,bm1880-clk
+
+  reg:
+    items:
+      - description: pll registers
+      - description: system registers
+
+  reg-names:
+    items:
+      - const: pll
+      - const: sys
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: osc
+
+  '#clock-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - clock-names
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  # Clock controller node:
+  - |
+    clk: clock-controller@e8 {
+        compatible = "bitmain,bm1880-clk";
+        reg = <0xe8 0x0c>, <0x800 0xb0>;
+        reg-names = "pll", "sys";
+        clocks = <&osc>;
+        clock-names = "osc";
+        #clock-cells = <1>;
+    };
+
+  # Example UART controller node that consumes clock generated by the clock controller:
+  - |
+    uart0: serial@58018000 {
+         compatible = "snps,dw-apb-uart";
+         reg = <0x0 0x58018000 0x0 0x2000>;
+         clocks = <&clk 45>, <&clk 46>;
+         clock-names = "baudclk", "apb_pclk";
+         interrupts = <0 9 4>;
+         reg-shift = <2>;
+         reg-io-width = <4>;
+    };
+
+...
-- 
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