Messages in this thread | | | Date | Mon, 21 Mar 2022 18:24:21 +0530 | Subject | Re: [Patch v1 2/3] arm64: tegra: add node for tegra234 cpufreq | From | Sumit Gupta <> |
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>> Adding cclpex 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 CCPLEX_MMCRAB_ARM region. In this node, mapping >> the range of MMCRAB registers required only for cpu frequency info. >> >> Signed-off-by: Sumit Gupta <sumitg@nvidia.com> >> --- >> 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 aaace605bdaa..610207f3f967 100644 >> --- a/arch/arm64/boot/dts/nvidia/tegra234.dtsi >> +++ b/arch/arm64/boot/dts/nvidia/tegra234.dtsi >> @@ -1258,6 +1258,13 @@ >> }; >> }; >> + 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>; > > > We need to add this compatible string to a DT binding doc somewhere. It seems the binding doc was previously posted in [1] for T186 SoC. Same will be applicable for T234 SoC also. Only compatible string need to be added. Should I sent a separate patch after converting it to yaml format and add compatible string (or) send as part of v2.
[1] https://lkml.org/lkml/2017/4/3/324
> > Cheers > Jon >
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