From: Raviteja Laggyshetty Date: Tue, 5 May 2026 16:41:11 +0000 (+0000) Subject: dt-bindings: interconnect: document the RPM Network-On-Chip interconnect in Shikra SoC X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0f90f883b340402e44ee2a9fa9f75ecb7c075a4f;p=thirdparty%2Fkernel%2Fstable.git dt-bindings: interconnect: document the RPM Network-On-Chip interconnect in Shikra SoC Document the RPM Network-On-Chip Interconnect for the Qualcomm Shikra platform. Co-developed-by: Odelu Kukatla Signed-off-by: Odelu Kukatla Reviewed-by: Krzysztof Kozlowski Signed-off-by: Raviteja Laggyshetty Link: https://patch.msgid.link/20260505-shikra_icc-v3-1-8e03ff27c007@oss.qualcomm.com Signed-off-by: Georgi Djakov --- diff --git a/Documentation/devicetree/bindings/interconnect/qcom,shikra.yaml b/Documentation/devicetree/bindings/interconnect/qcom,shikra.yaml new file mode 100644 index 0000000000000..a0c26de94ccf7 --- /dev/null +++ b/Documentation/devicetree/bindings/interconnect/qcom,shikra.yaml @@ -0,0 +1,134 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interconnect/qcom,shikra.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Shikra Network-On-Chip interconnect + +maintainers: + - Raviteja Laggyshetty + +description: + The Qualcomm Shikra interconnect providers support adjusting the + bandwidth requirements between the various NoC fabrics. + +properties: + compatible: + enum: + - qcom,shikra-config-noc + - qcom,shikra-mem-noc-core + - qcom,shikra-sys-noc + + reg: + maxItems: 1 + + clocks: + minItems: 1 + maxItems: 4 + + clock-names: + minItems: 1 + maxItems: 4 + +# Child node's properties +patternProperties: + '^interconnect-[a-z0-9]+$': + type: object + description: + The interconnect providers do not have a separate QoS register space, + but share parent's space. + + $ref: qcom,rpm-common.yaml# + + properties: + compatible: + enum: + - qcom,shikra-clk-virt + - qcom,shikra-mc-virt + - qcom,shikra-mmrt-virt + - qcom,shikra-mmnrt-virt + + required: + - compatible + + unevaluatedProperties: false + +required: + - compatible + - reg + +allOf: + - $ref: qcom,rpm-common.yaml# + - if: + properties: + compatible: + const: qcom,shikra-mem-noc-core + + then: + properties: + clocks: + items: + - description: GPU-NoC AXI clock + + clock-names: + items: + - const: gpu_axi + patternProperties: + '^interconnect-[a-z0-9]+$': false + + - if: + properties: + compatible: + const: qcom,shikra-sys-noc + + then: + properties: + clocks: + items: + - description: EMAC0-NoC AXI clock. + - description: EMAC1-NoC AXI clock. + - description: USB2-NoC AXI clock. + - description: USB3-NoC AXI clock. + + clock-names: + items: + - const: emac0_axi + - const: emac1_axi + - const: usb2_axi + - const: usb3_axi + + - if: + properties: + compatible: + const: qcom,shikra-config-noc + + then: + properties: + clocks: false + clock-names: false + patternProperties: + '^interconnect-[a-z0-9]+$': false + +unevaluatedProperties: false + +examples: + - | + interconnect@1880000 { + compatible = "qcom,shikra-sys-noc"; + reg = <0x01880000 0x6a080>; + #interconnect-cells = <2>; + clocks = <&gcc_emac0_axi_sys_noc_clk>, + <&gcc_emac1_axi_sys_noc_clk>, + <&gcc_sys_noc_usb2_prim_axi_clk>, + <&gcc_sys_noc_usb3_prim_axi_clk>; + clock-names = "emac0_axi", + "emac1_axi", + "usb2_axi", + "usb3_axi"; + + interconnect-clk { + compatible = "qcom,shikra-clk-virt"; + #interconnect-cells = <2>; + }; + }; diff --git a/include/dt-bindings/interconnect/qcom,shikra.h b/include/dt-bindings/interconnect/qcom,shikra.h new file mode 100644 index 0000000000000..a42ea22ee162c --- /dev/null +++ b/include/dt-bindings/interconnect/qcom,shikra.h @@ -0,0 +1,121 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. + */ + +#ifndef __DT_BINDINGS_INTERCONNECT_QCOM_SHIKRA_H +#define __DT_BINDINGS_INTERCONNECT_QCOM_SHIKRA_H + +#define MASTER_QUP_CORE_0 0 +#define SLAVE_QUP_CORE_0 1 + +#define SNOC_CNOC_MAS 0 +#define MASTER_QDSS_DAP 1 +#define SLAVE_AHB2PHY_USB 2 +#define SLAVE_APSS_THROTTLE_CFG 3 +#define SLAVE_AUDIO 4 +#define SLAVE_BOOT_ROM 5 +#define SLAVE_CAMERA_NRT_THROTTLE_CFG 6 +#define SLAVE_CAMERA_CFG 7 +#define SLAVE_CDSP_THROTTLE_CFG 8 +#define SLAVE_CLK_CTL 9 +#define SLAVE_DSP_CFG 10 +#define SLAVE_RBCPR_CX_CFG 11 +#define SLAVE_RBCPR_MX_CFG 12 +#define SLAVE_CRYPTO_0_CFG 13 +#define SLAVE_DDR_SS_CFG 14 +#define SLAVE_DISPLAY_CFG 15 +#define SLAVE_EMAC0_CFG 16 +#define SLAVE_EMAC1_CFG 17 +#define SLAVE_GPU_CFG 18 +#define SLAVE_GPU_THROTTLE_CFG 19 +#define SLAVE_HWKM 20 +#define SLAVE_IMEM_CFG 21 +#define SLAVE_MAPSS 22 +#define SLAVE_MDSP_MPU_CFG 23 +#define SLAVE_MESSAGE_RAM 24 +#define SLAVE_MSS 25 +#define SLAVE_PCIE_CFG 26 +#define SLAVE_PDM 27 +#define SLAVE_PIMEM_CFG 28 +#define SLAVE_PKA_WRAPPER_CFG 29 +#define SLAVE_PMIC_ARB 30 +#define SLAVE_QDSS_CFG 31 +#define SLAVE_QM_CFG 32 +#define SLAVE_QM_MPU_CFG 33 +#define SLAVE_QPIC 34 +#define SLAVE_QUP_0 35 +#define SLAVE_RPM 36 +#define SLAVE_SDCC_1 37 +#define SLAVE_SDCC_2 38 +#define SLAVE_SECURITY 39 +#define SLAVE_SNOC_CFG 40 +#define SNOC_SF_THROTTLE_CFG 41 +#define SLAVE_TLMM 42 +#define SLAVE_TSCSS 43 +#define SLAVE_USB2 44 +#define SLAVE_USB3 45 +#define SLAVE_VENUS_CFG 46 +#define SLAVE_VENUS_THROTTLE_CFG 47 +#define SLAVE_VSENSE_CTRL_CFG 48 +#define SLAVE_SERVICE_CNOC 49 + +#define MASTER_LLCC 0 +#define SLAVE_EBI_CH0 1 + +#define MASTER_GRAPHICS_3D 0 +#define MASTER_MNOC_HF_MEM_NOC 1 +#define MASTER_ANOC_PCIE_MEM_NOC 2 +#define MASTER_SNOC_SF_MEM_NOC 3 +#define MASTER_AMPSS_M0 4 +#define MASTER_SYS_TCU 5 +#define SLAVE_LLCC 6 +#define SLAVE_MEMNOC_SNOC 7 +#define SLAVE_MEM_NOC_PCIE_SNOC 8 + +#define MASTER_CAMNOC_SF 0 +#define MASTER_VIDEO_P0 1 +#define MASTER_VIDEO_PROC 2 +#define SLAVE_MMNRT_VIRT 3 + +#define MASTER_CAMNOC_HF 0 +#define MASTER_MDP_PORT0 1 +#define MASTER_MMRT_VIRT 2 +#define SLAVE_MM_MEMNOC 3 + +#define MASTER_SNOC_CFG 0 +#define MASTER_TIC 1 +#define MASTER_ANOC_SNOC 2 +#define MASTER_MEMNOC_PCIE 3 +#define MASTER_MEMNOC_SNOC 4 +#define MASTER_PIMEM 5 +#define MASTER_PCIE2_0 6 +#define MASTER_QDSS_BAM 7 +#define MASTER_QPIC 8 +#define MASTER_QUP_0 9 +#define CNOC_SNOC_MAS 10 +#define MASTER_AUDIO 11 +#define MASTER_EMAC_0 12 +#define MASTER_EMAC_1 13 +#define MASTER_QDSS_ETR 14 +#define MASTER_SDCC_1 15 +#define MASTER_SDCC_2 16 +#define MASTER_USB2_0 17 +#define MASTER_USB3 18 +#define MASTER_CRYPTO_CORE0 19 +#define SLAVE_APPSS 20 +#define SLAVE_MCUSS 21 +#define SLAVE_WCSS 22 +#define SLAVE_MEMNOC_SF 23 +#define SNOC_CNOC_SLV 24 +#define SLAVE_BOOTIMEM 25 +#define SLAVE_OCIMEM 26 +#define SLAVE_PIMEM 27 +#define SLAVE_SERVICE_SNOC 28 +#define SLAVE_PCIE2_0 29 +#define SLAVE_QDSS_STM 30 +#define SLAVE_TCU 31 +#define SLAVE_PCIE_MEMNOC 32 +#define SLAVE_ANOC_SNOC 33 + +#endif