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Date: Tue, 7 Jul 2020 00:13:26 +0300
From: Abel Vesa <abel.vesa@....com>
To: Georgi Djakov <georgi.djakov@...aro.org>,
Shawn Guo <shawnguo@...nel.org>,
Chanwoo Choi <cw00.choi@...sung.com>,
Leonard Crestez <cdleonard@...il.com>,
Rob Herring <robh@...nel.org>
Cc: NXP Linux Team <linux-imx@....com>, devicetree@...r.kernel.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-arm-kernel@...ts.infradead.org,
Leonard Crestez <leonard.crestez@....com>,
Abel Vesa <abel.vesa@....com>
Subject: [RESEND v2] 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>
Acked-by: Georgi Djakov <georgi.djakov@...aro.org>
---
Changes since v1:
- picked up the bindinds header which were part of the original patch
from Leonard
arch/arm64/boot/dts/freescale/imx8mm.dtsi | 24 ++++++++++++++++++++++++
arch/arm64/boot/dts/freescale/imx8mn.dtsi | 24 ++++++++++++++++++++++++
arch/arm64/boot/dts/freescale/imx8mq.dtsi | 24 ++++++++++++++++++++++++
3 files changed, 72 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index 76f040e..970d132 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -8,6 +8,7 @@
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/interconnect/imx8mm.h>
#include "imx8mm-pinfunc.h"
@@ -877,6 +878,29 @@
};
+ 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 9385dd7..cd38aae 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -8,6 +8,7 @@
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/interconnect/imx8mn.h>
#include "imx8mn-pinfunc.h"
@@ -764,6 +765,29 @@
};
+ 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 f70435c..d585650 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -11,6 +11,7 @@
#include "dt-bindings/input/input.h"
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/thermal/thermal.h>
+#include <dt-bindings/interconnect/imx8mq.h>
#include "imx8mq-pinfunc.h"
/ {
@@ -1045,6 +1046,29 @@
};
};
+ 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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