[PATCH v6 23/52] ARM: tegra: Add interconnect properties to Tegra124 device-tree

Dmitry Osipenko
2020-10-25T22:21:21Z

Add interconnect properties to the Memory Controller, External Memory
Controller and the Display Controller nodes in order to describe hardware
interconnection.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
arch/arm/boot/dts/tegra124.dtsi | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)

diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 64f488ba1e72..1801e30b1d3a 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -113,6 +113,19 @@ dc@54200000 {
iommus = <&mc TEGRA_SWGROUP_DC>;

nvidia,head = <0>;
+
+ interconnects = <&mc TEGRA124_MC_DISPLAY0A &emc>,
+ <&mc TEGRA124_MC_DISPLAY0B &emc>,
+ <&mc TEGRA124_MC_DISPLAY0C &emc>,
+ <&mc TEGRA124_MC_DISPLAYHC &emc>,
+ <&mc TEGRA124_MC_DISPLAYD &emc>,
+ <&mc TEGRA124_MC_DISPLAYT &emc>;
+ interconnect-names = "wina",
+ "winb",
+ "winc",
+ "cursor",
+ "wind",
+ "wint";
};

dc@54240000 {
@@ -127,6 +140,15 @@ dc@54240000 {
iommus = <&mc TEGRA_SWGROUP_DCB>;

nvidia,head = <1>;
+
+ interconnects = <&mc TEGRA124_MC_DISPLAY0AB &emc>,
+ <&mc TEGRA124_MC_DISPLAY0BB &emc>,
+ <&mc TEGRA124_MC_DISPLAY0CB &emc>,
+ <&mc TEGRA124_MC_DISPLAYHCB &emc>;
+ interconnect-names = "wina",
+ "winb",
+ "winc",
+ "cursor";
};

hdmi: hdmi@54280000 {
@@ -628,6 +650,7 @@ mc: memory-controller@70019000 {

#iommu-cells = <1>;
#reset-cells = <1>;
+ #interconnect-cells = <1>;
};

emc: external-memory-controller@7001b000 {
@@ -637,6 +660,8 @@ emc: external-memory-controller@7001b000 {
clock-names = "emc";

nvidia,memory-controller = <&mc>;
+
+ #interconnect-cells = <0>;
};

sata@70020000 {
--
2.27.0