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Date: Tue, 25 Sep 2018 13:22:17 -0500
From: Rob Herring <robh@...nel.org>
To: Georgi Djakov <georgi.djakov@...aro.org>
Cc: linux-pm@...r.kernel.org, gregkh@...uxfoundation.org,
rjw@...ysocki.net, mturquette@...libre.com, khilman@...libre.com,
vincent.guittot@...aro.org, skannan@...eaurora.org,
bjorn.andersson@...aro.org, amit.kucheria@...aro.org,
seansw@....qualcomm.com, daidavid1@...eaurora.org,
evgreen@...omium.org, mark.rutland@....com,
lorenzo.pieralisi@....com, abailon@...libre.com,
maxime.ripard@...tlin.com, arnd@...db.de,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v9 6/8] dt-bindings: interconnect: Document qcom,msm8916
NoC bindings
On Fri, Aug 31, 2018 at 05:01:49PM +0300, Georgi Djakov wrote:
> Document the device-tree bindings of the Network-On-Chip interconnect
> hardware found on Qualcomm msm8916 platforms.
>
> Signed-off-by: Georgi Djakov <georgi.djakov@...aro.org>
> ---
> .../bindings/interconnect/qcom-msm8916.txt | 41 ++++++++
> include/dt-bindings/interconnect/qcom.h | 98 +++++++++++++++++++
> 2 files changed, 139 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/interconnect/qcom-msm8916.txt
> create mode 100644 include/dt-bindings/interconnect/qcom.h
>
> diff --git a/Documentation/devicetree/bindings/interconnect/qcom-msm8916.txt b/Documentation/devicetree/bindings/interconnect/qcom-msm8916.txt
> new file mode 100644
> index 000000000000..744df51df4ed
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interconnect/qcom-msm8916.txt
> @@ -0,0 +1,41 @@
> +Qualcomm MSM8916 Network-On-Chip interconnect driver binding
> +----------------------------------------------------
> +
> +Required properties :
> +- compatible : shall contain only one of the following:
> + "qcom,msm8916-bimc"
> + "qcom,msm8916-pnoc"
> + "qcom,msm8916-snoc"
> +- #interconnect-cells : should contain 1
> +- reg : shall contain base register location and length
> +
> +Optional properties :
> +clocks : list of phandles and specifiers to all interconnect bus clocks
> +clock-names : clock names should include both "bus_clk" and "bus_a_clk"
> +
> +Examples:
> +
> + snoc: snoc@...000 {
interconnect@...
> + compatible = "qcom,msm8916-snoc";
> + #interconnect-cells = <1>;
> + reg = <0x580000 0x14000>;
> + clock-names = "bus_clk", "bus_a_clk";
> + clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
> + <&rpmcc RPM_SMD_SNOC_A_CLK>;
> + };
> + bimc: bimc@...000 {
interconnect@...
> + compatible = "qcom,msm8916-bimc";
> + #interconnect-cells = <1>;
> + reg = <0x400000 0x62000>;
> + clock-names = "bus_clk", "bus_a_clk";
> + clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
> + <&rpmcc RPM_SMD_BIMC_A_CLK>;
> + };
> + pnoc: pnoc@...000 {
and here.
> + compatible = "qcom,msm8916-pnoc";
> + #interconnect-cells = <1>;
> + reg = <0x500000 0x11000>;
> + clock-names = "bus_clk", "bus_a_clk";
> + clocks = <&rpmcc RPM_SMD_PCNOC_CLK>,
> + <&rpmcc RPM_SMD_PCNOC_A_CLK>;
> + };
> diff --git a/include/dt-bindings/interconnect/qcom.h b/include/dt-bindings/interconnect/qcom.h
> new file mode 100644
> index 000000000000..48f944b30e5d
> --- /dev/null
> +++ b/include/dt-bindings/interconnect/qcom.h
> @@ -0,0 +1,98 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Qualcomm interconnect IDs
> + *
> + * Copyright (c) 2018, Linaro Ltd.
> + * Author: Georgi Djakov <georgi.djakov@...aro.org>
> + */
> +
> +#ifndef __DT_BINDINGS_INTERCONNECT_QCOM_H
> +#define __DT_BINDINGS_INTERCONNECT_QCOM_H
> +
> +#define BIMC_SNOC_MAS 1
> +#define BIMC_SNOC_SLV 2
> +#define MASTER_AMPSS_M0 3
> +#define MASTER_BLSP_1 4
> +#define MASTER_CRYPTO_CORE0 5
> +#define MASTER_DEHR 6
> +#define MASTER_GRAPHICS_3D 7
> +#define MASTER_JPEG 8
> +#define MASTER_LPASS 9
> +#define MASTER_MDP_PORT0 10
> +#define MASTER_QDSS_BAM 11
> +#define MASTER_QDSS_ETR 12
> +#define MASTER_SDCC_1 13
> +#define MASTER_SDCC_2 14
> +#define MASTER_SNOC_CFG 15
> +#define MASTER_SPDM 16
> +#define MASTER_TCU_0 17
> +#define MASTER_TCU_1 18
> +#define MASTER_USB_HS 19
> +#define MASTER_VFE 20
> +#define MASTER_VIDEO_P0 21
> +#define PNOC_INT_0 22
> +#define PNOC_INT_1 23
> +#define PNOC_M_0 24
> +#define PNOC_M_1 25
> +#define PNOC_SLV_0 26
> +#define PNOC_SLV_1 27
> +#define PNOC_SLV_2 28
> +#define PNOC_SLV_3 29
> +#define PNOC_SLV_4 30
> +#define PNOC_SLV_8 31
> +#define PNOC_SLV_9 32
> +#define PNOC_SNOC_MAS 33
> +#define PNOC_SNOC_SLV 34
> +#define SLAVE_AMPSS_L2 35
> +#define SLAVE_BIMC_CFG 36
> +#define SLAVE_BLSP_1 37
> +#define SLAVE_BOOT_ROM 38
> +#define SLAVE_CAMERA_CFG 39
> +#define SLAVE_CATS_128 40
> +#define SLAVE_CLK_CTL 41
> +#define SLAVE_CRYPTO_0_CFG 42
> +#define SLAVE_DEHR_CFG 43
> +#define SLAVE_DISPLAY_CFG 44
> +#define SLAVE_EBI_CH0 45
> +#define SLAVE_GRAPHICS_3D_CFG 46
> +#define SLAVE_IMEM_CFG 47
> +#define SLAVE_LPASS 48
> +#define SLAVE_MPM 49
> +#define SLAVE_MSM_PDM 50
> +#define SLAVE_MSM_TCSR 51
> +#define SLAVE_MSS 52
> +#define SLAVE_OCMEM_64 53
> +#define SLAVE_PMIC_ARB 54
> +#define SLAVE_PNOC_CFG 55
> +#define SLAVE_PRNG 56
> +#define SLAVE_QDSS_CFG 57
> +#define SLAVE_QDSS_STM 58
> +#define SLAVE_RBCPR_CFG 59
> +#define SLAVE_RPM_MSG_RAM 60
> +#define SLAVE_SDCC_1 61
> +#define SLAVE_SDCC_4 62
> +#define SLAVE_SECURITY 63
> +#define SLAVE_SERVICE_SNOC 64
> +#define SLAVE_SNOC_CFG 65
> +#define SLAVE_SPDM 66
> +#define SLAVE_SYSTEM_IMEM 67
> +#define SLAVE_TLMM 68
> +#define SLAVE_USB_HS 69
> +#define SLAVE_VENUS_CFG 70
> +#define SNOC_BIMC_0_MAS 71
> +#define SNOC_BIMC_0_SLV 72
> +#define SNOC_BIMC_1_MAS 73
> +#define SNOC_BIMC_1_SLV 74
> +#define SNOC_INT_0 75
> +#define SNOC_INT_1 76
> +#define SNOC_INT_BIMC 77
> +#define SNOC_MM_INT_0 78
> +#define SNOC_MM_INT_1 79
> +#define SNOC_MM_INT_2 80
> +#define SNOC_MM_INT_BIMC 81
> +#define SNOC_PNOC_MAS 82
> +#define SNOC_PNOC_SLV 83
> +#define SNOC_QDSS_INT 84
> +#define SYSTEM_SLAVE_FAB_APPS 85
Each of the 3 providers in the example should have their own number
space. This looks like you have combined them all. Though that is hard
to tell because I can't really decipher the naming convention
completely.
Rob
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