From 30b81e77a051e50c1b8d5f3bb697e915231d89a8 Mon Sep 17 00:00:00 2001 From: Dmitry Osipenko Date: Mon, 23 Nov 2020 03:27:17 +0300 Subject: [PATCH] ARM: tegra: Add interconnect properties to Tegra20 device-tree 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 Signed-off-by: Thierry Reding --- arch/arm/boot/dts/tegra20.dtsi | 26 +++++++++++++++++++++++++- 1 file changed, 25 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi index 9347f77892451..2e1304493f7d1 100644 --- a/arch/arm/boot/dts/tegra20.dtsi +++ b/arch/arm/boot/dts/tegra20.dtsi @@ -111,6 +111,17 @@ nvidia,head = <0>; + interconnects = <&mc TEGRA20_MC_DISPLAY0A &emc>, + <&mc TEGRA20_MC_DISPLAY0B &emc>, + <&mc TEGRA20_MC_DISPLAY1B &emc>, + <&mc TEGRA20_MC_DISPLAY0C &emc>, + <&mc TEGRA20_MC_DISPLAYHC &emc>; + interconnect-names = "wina", + "winb", + "winb-vfilter", + "winc", + "cursor"; + rgb { status = "disabled"; }; @@ -128,6 +139,17 @@ nvidia,head = <1>; + interconnects = <&mc TEGRA20_MC_DISPLAY0AB &emc>, + <&mc TEGRA20_MC_DISPLAY0BB &emc>, + <&mc TEGRA20_MC_DISPLAY1BB &emc>, + <&mc TEGRA20_MC_DISPLAY0CB &emc>, + <&mc TEGRA20_MC_DISPLAYHCB &emc>; + interconnect-names = "wina", + "winb", + "winb-vfilter", + "winc", + "cursor"; + rgb { status = "disabled"; }; @@ -630,15 +652,17 @@ interrupts = ; #reset-cells = <1>; #iommu-cells = <0>; + #interconnect-cells = <1>; }; - memory-controller@7000f400 { + emc: memory-controller@7000f400 { compatible = "nvidia,tegra20-emc"; reg = <0x7000f400 0x400>; interrupts = ; clocks = <&tegra_car TEGRA20_CLK_EMC>; #address-cells = <1>; #size-cells = <0>; + #interconnect-cells = <0>; }; fuse@7000f800 { -- 2.30.2