From 962c400d48e604438cfb3732016ad1b74bfc298c Mon Sep 17 00:00:00 2001 From: Sumit Gupta Date: Tue, 5 Apr 2022 18:31:19 +0530 Subject: [PATCH] arm64: tegra: Add node for Tegra234 CCPLEX cluster Adding CCPLEX cluster node to represent Tegra234 cpufreq. Tegra234 uses some of the CRAB (Control Register Access Bus) registers for CPU frequency requests. These registers are memory mapped to the CCPLEX_MMCRAB_ARM region. In this node, mapping the range of MMCRAB registers is required only for CPU frequency info. Signed-off-by: Sumit Gupta Signed-off-by: Thierry Reding --- arch/arm64/boot/dts/nvidia/tegra234.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/nvidia/tegra234.dtsi b/arch/arm64/boot/dts/nvidia/tegra234.dtsi index 448512af7dea4..8767dbe2d066f 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi @@ -1286,6 +1286,13 @@ }; }; + ccplex@e000000 { + compatible = "nvidia,tegra234-ccplex-cluster"; + reg = <0x0 0x0e000000 0x0 0x5ffff>; + nvidia,bpmp = <&bpmp>; + status = "okay"; + }; + sram@40000000 { compatible = "nvidia,tegra234-sysram", "mmio-sram"; reg = <0x0 0x40000000 0x0 0x80000>; -- 2.30.2