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X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 16 Mar 2022 13:58:55.1754 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: cb2a28c9-1036-4265-1388-08da07551c32 X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[12.22.5.236];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: DM6NAM11FT064.eop-nam11.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM5PR1201MB0058 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org 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 --- 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>;