linux-kernel - [PATCH v8 2/8] dt-bindings: Document Broadcom Cygnus SoC and clocks

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Message-ID: <1414525992-3678-3-git-send-email-sbranden@broadcom.com>
Date:	Tue, 28 Oct 2014 12:53:06 -0700
From:	Scott Branden <sbranden@...adcom.com>
To:	Christian Daudt <bcm@...thebug.org>,
	Matt Porter <mporter@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	<bcm-kernel-feedback-list@...adcom.com>,
	Mike Turquette <mturquette@...aro.org>,
	Alex Elder <elder@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	"Kumar Gala" <galak@...eaurora.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"David S. Miller" <davem@...emloft.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Joe Perches <joe@...ches.com>,
	"Mauro Carvalho Chehab" <m.chehab@...sung.com>,
	Antti Palosaari <crope@....fi>
CC:	JD Zheng <jdzheng@...adcom.com>, Ray Jui <rjui@...adcom.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	Jonathan Richardson <jonathar@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>
Subject: [PATCH v8 2/8] dt-bindings: Document Broadcom Cygnus SoC and clocks

From: Jonathan Richardson <jonathar@...adcom.com>

Reviewed-by: Arun Parameswaran <aparames@...adcom.com>
Tested-by: Jonathan Richardson <jonathar@...adcom.com>
Reviewed-by: JD (Jiandong) Zheng <jdzheng@...adcom.com>
Reviewed-by: Ray Jui <rjui@...adcom.com>
Signed-off-by: Scott Branden <sbranden@...adcom.com>
---
 .../devicetree/bindings/arm/bcm/cygnus.txt         |   31 ++++++++++++++++++
 .../devicetree/bindings/clock/bcm-cygnus-clock.txt |   34 ++++++++++++++++++++
 2 files changed, 65 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/arm/bcm/cygnus.txt
 create mode 100644 Documentation/devicetree/bindings/clock/bcm-cygnus-clock.txt

diff --git a/Documentation/devicetree/bindings/arm/bcm/cygnus.txt b/Documentation/devicetree/bindings/arm/bcm/cygnus.txt
new file mode 100644
index 0000000..4c77169
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/bcm/cygnus.txt
@@ -0,0 +1,31 @@
+Broadcom Cygnus device tree bindings
+------------------------------------
+
+
+Boards with Cygnus SoCs shall have the following properties:
+
+Required root node property:
+
+BCM11300
+compatible = "brcm,bcm11300", "brcm,cygnus";
+
+BCM11320
+compatible = "brcm,bcm11320", "brcm,cygnus";
+
+BCM11350
+compatible = "brcm,bcm11350", "brcm,cygnus";
+
+BCM11360
+compatible = "brcm,bcm11360", "brcm,cygnus";
+
+BCM58300
+compatible = "brcm,bcm58300", "brcm,cygnus";
+
+BCM58302
+compatible = "brcm,bcm58302", "brcm,cygnus";
+
+BCM58303
+compatible = "brcm,bcm58303", "brcm,cygnus";
+
+BCM58305
+compatible = "brcm,bcm58305", "brcm,cygnus";
diff --git a/Documentation/devicetree/bindings/clock/bcm-cygnus-clock.txt b/Documentation/devicetree/bindings/clock/bcm-cygnus-clock.txt
new file mode 100644
index 0000000..00d26ed
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/bcm-cygnus-clock.txt
@@ -0,0 +1,34 @@
+Broadcom Cygnus Clocks
+
+This binding uses the common clock binding:
+Documentation/devicetree/bindings/clock/clock-bindings.txt
+
+Currently various "fixed" clocks are declared for peripheral drivers that use
+the common clock framework to reference their core clocks. Proper support of
+these clocks will be added later
+
+Device tree example:
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		osc: oscillator {
+			compatible = "fixed-clock";
+			#clock-cells = <1>;
+			clock-frequency = <25000000>;
+		};
+
+		apb_clk: apb_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <1000000000>;
+		};
+
+		periph_clk: periph_clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <500000000>;
+		};
+	};
-- 
1.7.9.5

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