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Date: Tue, 2 Oct 2018 14:02:59 +0300
From: Georgi Djakov <georgi.djakov@...aro.org>
To: Rob Herring <robh@...nel.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
Hi Rob,
On 09/25/2018 09:22 PM, Rob Herring wrote:
> 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@...
Ok.
>
>> + 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@...
Ok.
>
>> + 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.
Ok.
>
>> + 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.
That's the plan. Thanks for reviewing!
BR,
Georgi
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