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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/interconnect/qcom,msm8939.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm MSM8939 Network-On-Chip interconnect
+
+maintainers:
+ - Jun Nie <jun.nie@linaro.org>
+
+description: |
+ The Qualcomm MSM8939 interconnect providers support adjusting the
+ bandwidth requirements between the various NoC fabrics.
+
+properties:
+ compatible:
+ enum:
+ - qcom,msm8939-bimc
+ - qcom,msm8939-pcnoc
+ - qcom,msm8939-snoc
+ - qcom,msm8939-snoc-mm
+
+ reg:
+ maxItems: 1
+
+ '#interconnect-cells':
+ const: 1
+
+ clock-names:
+ items:
+ - const: bus
+ - const: bus_a
+
+ clocks:
+ items:
+ - description: Bus Clock
+ - description: Bus A Clock
+
+required:
+ - compatible
+ - reg
+ - '#interconnect-cells'
+ - clock-names
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,rpmcc.h>
+
+ bimc: interconnect@400000 {
+ compatible = "qcom,msm8939-bimc";
+ reg = <0x00400000 0x62000>;
+ #interconnect-cells = <1>;
+ clock-names = "bus", "bus_a";
+ clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
+ <&rpmcc RPM_SMD_BIMC_A_CLK>;
+ };
+
+ pcnoc: interconnect@500000 {
+ compatible = "qcom,msm8939-pcnoc";
+ reg = <0x00500000 0x11000>;
+ #interconnect-cells = <1>;
+ clock-names = "bus", "bus_a";
+ clocks = <&rpmcc RPM_SMD_PCNOC_CLK>,
+ <&rpmcc RPM_SMD_PCNOC_A_CLK>;
+ };
+
+ snoc: interconnect@580000 {
+ compatible = "qcom,msm8939-snoc";
+ reg = <0x00580000 0x14000>;
+ #interconnect-cells = <1>;
+ clock-names = "bus", "bus_a";
+ clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
+ <&rpmcc RPM_SMD_SNOC_A_CLK>;
+ };
+
+ snoc_mm: interconnect@580000 {
+ compatible = "qcom,msm8939-snoc-mm";
+ reg = <0x00580000 0x14000>;
+ #interconnect-cells = <1>;
+ clock-names = "bus", "bus_a";
+ clocks = <&rpmcc RPM_SMD_MMSSNOC_AHB_CLK>,
+ <&rpmcc RPM_SMD_MMSSNOC_AHB_A_CLK>;
+ };
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+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Qualcomm interconnect IDs
+ *
+ * Copyright (c) 2020, Linaro Ltd.
+ * Author: Jun Nie <jun.nie@linaro.org>
+ */
+
+#ifndef __DT_BINDINGS_INTERCONNECT_QCOM_MSM8939_H
+#define __DT_BINDINGS_INTERCONNECT_QCOM_MSM8939_H
+
+#define BIMC_SNOC_SLV 0
+#define MASTER_QDSS_BAM 1
+#define MASTER_QDSS_ETR 2
+#define MASTER_SNOC_CFG 3
+#define PCNOC_SNOC_SLV 4
+#define SLAVE_APSS 5
+#define SLAVE_CATS_128 6
+#define SLAVE_OCMEM_64 7
+#define SLAVE_IMEM 8
+#define SLAVE_QDSS_STM 9
+#define SLAVE_SRVC_SNOC 10
+#define SNOC_BIMC_0_MAS 11
+#define SNOC_BIMC_1_MAS 12
+#define SNOC_BIMC_2_MAS 13
+#define SNOC_INT_0 14
+#define SNOC_INT_1 15
+#define SNOC_INT_BIMC 16
+#define SNOC_PCNOC_MAS 17
+#define SNOC_QDSS_INT 18
+
+#define MASTER_VIDEO_P0 0
+#define MASTER_JPEG 1
+#define MASTER_VFE 2
+#define MASTER_MDP_PORT0 3
+#define MASTER_MDP_PORT1 4
+#define MASTER_CPP 5
+#define SNOC_MM_INT_0 6
+#define SNOC_MM_INT_1 7
+#define SNOC_MM_INT_2 8
+
+#define BIMC_SNOC_MAS 0
+#define MASTER_AMPSS_M0 1
+#define MASTER_GRAPHICS_3D 2
+#define MASTER_TCU0 3
+#define SLAVE_AMPSS_L2 4
+#define SLAVE_EBI_CH0 5
+#define SNOC_BIMC_0_SLV 6
+#define SNOC_BIMC_1_SLV 7
+#define SNOC_BIMC_2_SLV 8
+
+#define MASTER_BLSP_1 0
+#define MASTER_DEHR 1
+#define MASTER_LPASS 2
+#define MASTER_CRYPTO_CORE0 3
+#define MASTER_SDCC_1 4
+#define MASTER_SDCC_2 5
+#define MASTER_SPDM 6
+#define MASTER_USB_HS1 7
+#define MASTER_USB_HS2 8
+#define PCNOC_INT_0 9
+#define PCNOC_INT_1 10
+#define PCNOC_MAS_0 11
+#define PCNOC_MAS_1 12
+#define PCNOC_SLV_0 13
+#define PCNOC_SLV_1 14
+#define PCNOC_SLV_2 15
+#define PCNOC_SLV_3 16
+#define PCNOC_SLV_4 17
+#define PCNOC_SLV_8 18
+#define PCNOC_SLV_9 19
+#define PCNOC_SNOC_MAS 20
+#define SLAVE_BIMC_CFG 21
+#define SLAVE_BLSP_1 22
+#define SLAVE_BOOT_ROM 23
+#define SLAVE_CAMERA_CFG 24
+#define SLAVE_CLK_CTL 25
+#define SLAVE_CRYPTO_0_CFG 26
+#define SLAVE_DEHR_CFG 27
+#define SLAVE_DISPLAY_CFG 28
+#define SLAVE_GRAPHICS_3D_CFG 29
+#define SLAVE_IMEM_CFG 30
+#define SLAVE_LPASS 31
+#define SLAVE_MPM 32
+#define SLAVE_MSG_RAM 33
+#define SLAVE_MSS 34
+#define SLAVE_PDM 35
+#define SLAVE_PMIC_ARB 36
+#define SLAVE_PCNOC_CFG 37
+#define SLAVE_PRNG 38
+#define SLAVE_QDSS_CFG 39
+#define SLAVE_RBCPR_CFG 40
+#define SLAVE_SDCC_1 41
+#define SLAVE_SDCC_2 42
+#define SLAVE_SECURITY 43
+#define SLAVE_SNOC_CFG 44
+#define SLAVE_SPDM 45
+#define SLAVE_TCSR 46
+#define SLAVE_TLMM 47
+#define SLAVE_USB_HS1 48
+#define SLAVE_USB_HS2 49
+#define SLAVE_VENUS_CFG 50
+#define SNOC_PCNOC_SLV 51
+
+#endif
The Qualcomm MSM8939 platform has several bus fabrics that could be controlled and tuned dynamically according to the bandwidth demand. Signed-off-by: Jun Nie <jun.nie@linaro.org> --- .../bindings/interconnect/qcom,msm8939.yaml | 87 +++++++++++++++ .../dt-bindings/interconnect/qcom,msm8939.h | 105 ++++++++++++++++++ 2 files changed, 192 insertions(+) create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,msm8939.yaml create mode 100644 include/dt-bindings/interconnect/qcom,msm8939.h