linux-kernel - [PATCH 3/3] arm64: dts: hisi: add refclk node to hip06 dts files for SAS

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Message-ID: <1478537065-169286-4-git-send-email-john.garry@huawei.com>
Date:   Tue, 8 Nov 2016 00:44:25 +0800
From:   John Garry <john.garry@...wei.com>
To:     <xuwei5@...ilicon.com>
CC:     <robh+dt@...nel.org>, <mark.rutland@....com>,
        <will.deacon@....com>, <catalin.marinas@....com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linuxarm@...wei.com>, John Garry <john.garry@...wei.com>
Subject: [PATCH 3/3] arm64: dts: hisi: add refclk node to hip06 dts files for SAS

We will only maintain 1 dts for D03 and there are 50MHz
and 66MHz versions of D03: so we expect UEFI to update
refclk rate in the fdt at boot time.

Signed-off-by: John Garry <john.garry@...wei.com>
Reviewed-by: Xiang Chen <chenxiang66@...ilicon.com>
---
 arch/arm64/boot/dts/hisilicon/hip06.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/hisilicon/hip06.dtsi b/arch/arm64/boot/dts/hisilicon/hip06.dtsi
index 5330abb..7b40dce 100644
--- a/arch/arm64/boot/dts/hisilicon/hip06.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hip06.dtsi
@@ -318,6 +318,12 @@
 		#size-cells = <2>;
 		ranges;
 
+		refclk: refclk {
+			compatible = "fixed-clock";
+			clock-frequency = <50000000>;
+			#clock-cells = <0>;
+		};
+
 		usb_ohci: ohci@...30000 {
 			compatible = "generic-ohci";
 			reg = <0x0 0xa7030000 0x0 0x10000>;
@@ -552,6 +558,7 @@
 			ctrl-reset-reg = <0xa60>;
 			ctrl-reset-sts-reg = <0x5a30>;
 			ctrl-clock-ena-reg = <0x338>;
+			clocks = <&refclk 0>;
 			queue-count = <16>;
 			phy-count = <8>;
 			dma-coherent;
@@ -594,6 +601,7 @@
 			ctrl-reset-reg = <0xa18>;
 			ctrl-reset-sts-reg = <0x5a0c>;
 			ctrl-clock-ena-reg = <0x318>;
+			clocks = <&refclk 0>;
 			queue-count = <16>;
 			phy-count = <8>;
 			dma-coherent;
@@ -635,6 +643,7 @@
 			ctrl-reset-reg = <0xae0>;
 			ctrl-reset-sts-reg = <0x5a70>;
 			ctrl-clock-ena-reg = <0x3a8>;
+			clocks = <&refclk 0>;
 			queue-count = <16>;
 			phy-count = <9>;
 			dma-coherent;
-- 
1.9.1