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Date: Tue, 23 Jun 2020 12:47:01 +0300
From: Abel Vesa <abel.vesa@....com>
To: Leonard Crestez <leonard.crestez@....com>,
Georgi Djakov <georgi.djakov@...aro.org>,
Rob Herring <robh@...nel.org>,
Chanwoo Choi <cw00.choi@...sung.com>,
Shawn Guo <shawnguo@...nel.org>
Cc: NXP Linux Team <linux-imx@....com>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Abel Vesa <abel.vesa@....com>
Subject: [RESEND] arm64: dts: imx8m: Add NOC nodes
From: Leonard Crestez <leonard.crestez@....com>
Add nodes for the main interconnect of the imx8m series chips.
These nodes are bound to by devfreq and interconnect drivers.
Signed-off-by: Leonard Crestez <leonard.crestez@....com>
Signed-off-by: Abel Vesa <abel.vesa@....com>
Tested-by: Martin Kepplinger <martin.kepplinger@...i.sm>
---
This is part of the following patchset:
https://www.spinics.net/lists/arm-kernel/msg797026.html
All the patches are already in except this one.
arch/arm64/boot/dts/freescale/imx8mm.dtsi | 23 +++++++++++++++++++++++
arch/arm64/boot/dts/freescale/imx8mn.dtsi | 23 +++++++++++++++++++++++
arch/arm64/boot/dts/freescale/imx8mq.dtsi | 23 +++++++++++++++++++++++
3 files changed, 69 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index c6bf8ba..00b96da 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -869,6 +869,29 @@
};
+ noc: interconnect@...00000 {
+ compatible = "fsl,imx8mm-noc", "fsl,imx8m-noc";
+ reg = <0x32700000 0x100000>;
+ clocks = <&clk IMX8MM_CLK_NOC>;
+ fsl,ddrc = <&ddrc>;
+ #interconnect-cells = <1>;
+ operating-points-v2 = <&noc_opp_table>;
+
+ noc_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ opp-150M {
+ opp-hz = /bits/ 64 <150000000>;
+ };
+ opp-375M {
+ opp-hz = /bits/ 64 <375000000>;
+ };
+ opp-750M {
+ opp-hz = /bits/ 64 <750000000>;
+ };
+ };
+ };
+
aips4: bus@...00000 {
compatible = "fsl,aips-bus", "simple-bus";
reg = <0x32c00000 0x400000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index 9a4b65a..656fa9b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -756,6 +756,29 @@
};
+ noc: interconnect@...00000 {
+ compatible = "fsl,imx8mn-noc", "fsl,imx8m-noc";
+ reg = <0x32700000 0x100000>;
+ clocks = <&clk IMX8MN_CLK_NOC>;
+ fsl,ddrc = <&ddrc>;
+ #interconnect-cells = <1>;
+ operating-points-v2 = <&noc_opp_table>;
+
+ noc_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ opp-100M {
+ opp-hz = /bits/ 64 <100000000>;
+ };
+ opp-600M {
+ opp-hz = /bits/ 64 <600000000>;
+ };
+ opp-800M {
+ opp-hz = /bits/ 64 <800000000>;
+ };
+ };
+ };
+
aips4: bus@...00000 {
compatible = "fsl,aips-bus", "simple-bus";
reg = <0x32c00000 0x400000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 54bed64..6c24ec1 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -1037,6 +1037,29 @@
};
};
+ noc: interconnect@...00000 {
+ compatible = "fsl,imx8mq-noc", "fsl,imx8m-noc";
+ reg = <0x32700000 0x100000>;
+ clocks = <&clk IMX8MQ_CLK_NOC>;
+ fsl,ddrc = <&ddrc>;
+ #interconnect-cells = <1>;
+ operating-points-v2 = <&noc_opp_table>;
+
+ noc_opp_table: opp-table {
+ compatible = "operating-points-v2";
+
+ opp-133M {
+ opp-hz = /bits/ 64 <133333333>;
+ };
+ opp-400M {
+ opp-hz = /bits/ 64 <400000000>;
+ };
+ opp-800M {
+ opp-hz = /bits/ 64 <800000000>;
+ };
+ };
+ };
+
bus@...00000 { /* AIPS4 */
compatible = "fsl,aips-bus", "simple-bus";
reg = <0x32c00000 0x400000>;
--
2.7.4
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