Re: [PATCH v9 6/8] dt-bindings: interconnect: Document qcom,msm8916 NoC bindings

[Georgi Djakov]

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@xxxxxxxxxx>
>> ---
>>  .../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@580000 {
> 
> 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@400000 {
> 
> 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@500000 {
> 
> 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@xxxxxxxxxx>
>> + */
>> +
>> +#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