linux-kernel - [PATCH v5 4/8] Documentation: bindings: add dt documentation for dfi controller

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Message-Id: <1470799604-12877-5-git-send-email-hl@rock-chips.com>
Date:	Wed, 10 Aug 2016 11:26:40 +0800
From:	Lin Huang <hl@...k-chips.com>
To:	heiko@...ech.de
Cc:	myungjoo.ham@...sung.com, mark.yao@...k-chips.com,
	cw00.choi@...sung.com, airlied@...ux.ie, mturquette@...libre.com,
	dbasehore@...omium.org, sboyd@...eaurora.org,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	dianders@...omium.org, linux-rockchip@...ts.infradead.org,
	kyungmin.park@...sung.com, linux-arm-kernel@...ts.infradead.org,
	tixy@...aro.org, typ@...k-chips.com, sudeep.holla@....com,
	mark.rutland@....com, linux-pm@...r.kernel.org,
	Lin Huang <hl@...k-chips.com>
Subject: [PATCH v5 4/8] Documentation: bindings: add dt documentation for dfi controller

This patch adds the documentation for rockchip dfi devfreq-event driver.

Signed-off-by: Lin Huang <hl@...k-chips.com>
---
Changes in v5:
-None

Changes in v4:
-None

Changes in v3:
-None

Changes in v2:
-None 

Changes in v1:
-None

 .../bindings/devfreq/event/rockchip-dfi.txt          | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt

diff --git a/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt
new file mode 100644
index 0000000..bf42255
--- /dev/null
+++ b/Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt
@@ -0,0 +1,20 @@
+
+* Rockchip rk3399 DFI device
+
+Required properties:
+- compatible: Must be "rockchip,rk3399-dfi".
+- reg: physical base address of each DFI and length of memory mapped region
+- rockchip,pmu: phandle to the syscon managing the "pmu general register files"
+- clocks: phandles for clock specified in "clock-names" property
+- clock-names : the name of clock used by the DFI, must be "pclk_ddr_mon";
+
+Example:
+	dfi: dfi@...f630000 {
+		reg = <0x00 0xff630000 0x00 0x4000>;
+		compatible = "rockchip,rk3399-dfi";
+		rockchip,pmu = <&pmugrf>;
+		clocks = <&cru PCLK_DDR_MON>;
+		clock-names = "pclk_ddr_mon";
+		status = "disabled";
+	};
+
-- 
1.9.1