linux-kernel - [PATCH 1/3] Documentation: dtb: xgene: Add PMD clock binding

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Message-Id: <1471967561-23634-2-git-send-email-hotran@apm.com>
Date:   Tue, 23 Aug 2016 08:52:39 -0700
From:   Hoan Tran <hotran@....com>
To:     Michael Turquette <mturquette@...libre.com>,
        Rob Herring <robh+dt@...nel.org>,
        Stephen Boyd <sboyd@...eaurora.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        lho@....com, Duc Dang <dhdang@....com>, Hoan Tran <hotran@....com>
Subject: [PATCH 1/3] Documentation: dtb: xgene: Add PMD clock binding

Add APM X-Gene clock binding documentation for PMD clock.

Signed-off-by: Hoan Tran <hotran@....com>
---
 Documentation/devicetree/bindings/clock/xgene.txt | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/Documentation/devicetree/bindings/clock/xgene.txt b/Documentation/devicetree/bindings/clock/xgene.txt
index 82f9638..c381733 100644
--- a/Documentation/devicetree/bindings/clock/xgene.txt
+++ b/Documentation/devicetree/bindings/clock/xgene.txt
@@ -8,6 +8,7 @@ Required properties:
 - compatible : shall be one of the following:
 	"apm,xgene-socpll-clock" - for a X-Gene SoC PLL clock
 	"apm,xgene-pcppll-clock" - for a X-Gene PCP PLL clock
+	"apm,xgene-pmd-clock" - for a X-Gene PMD clock
 	"apm,xgene-device-clock" - for a X-Gene device clock
 	"apm,xgene-socpll-v2-clock" - for a X-Gene SoC PLL v2 clock
 	"apm,xgene-pcppll-v2-clock" - for a X-Gene PCP PLL v2 clock
@@ -22,6 +23,17 @@ Required properties for SoC or PCP PLL clocks:
 Optional properties for PLL clocks:
 - clock-names : shall be the name of the PLL. If missing, use the device name.
 
+Required properties for PMD clocks:
+- reg : shall be the physical register address for the pmd clock.
+- clocks : shall be the input parent clock phandle for the clock.
+- #clock-cells : shall be set to 1.
+- clock-output-names : shall be the name of the clock referenced by derive
+  clock.
+- clock-shift: Bit shift of the clock register. Default is 0.
+- clock-width: Width of the clock register. Default is 32.
+Optional properties for PLL clocks:
+- clock-names : shall be the name of the clock. If missing, use the device name.
+
 Required properties for device clocks:
 - reg : shall be a list of address and length pairs describing the CSR
          reset and/or the divider. Either may be omitted, but at least
@@ -59,6 +71,16 @@ For example:
 		type = <0>;
 	};
 
+	pmd0clk: pmd0clk {
+		compatible = "apm,xgene-pmd-clock";
+		#clock-cells = <1>;
+		clocks = <&pmdpll 0>;
+		reg = <0x0 0x7E200200 0x0 0x10>;
+		clock-shift = <8>;
+		clock-width = <3>;
+		clock-output-names = "pmd0clk";
+	};
+
 	socpll: socpll@...00120 {
 		compatible = "apm,xgene-socpll-clock";
 		#clock-cells = <1>;
-- 
1.9.1