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@xxxxxxxxxx>
---
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
