linux-kernel - Re: [PATCH v10 2/6] dt-bindings: interconnect: Add Qualcomm IPQ9574 support

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Date: Mon, 29 Apr 2024 14:10:16 +0300
From: Georgi Djakov <djakov@...nel.org>
To: Varadarajan Narayanan <quic_varada@...cinc.com>, andersson@...nel.org,
 mturquette@...libre.com, sboyd@...nel.org, robh@...nel.org,
 krzk+dt@...nel.org, conor+dt@...nel.org, konrad.dybcio@...aro.org,
 dmitry.baryshkov@...aro.org, quic_anusha@...cinc.com,
 linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-pm@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: Re: [PATCH v10 2/6] dt-bindings: interconnect: Add Qualcomm IPQ9574
 support

On 29.04.24 12:13, Varadarajan Narayanan wrote:
> Add interconnect-cells to clock provider so that it can be
> used as icc provider.
> 
> Add master/slave ids for Qualcomm IPQ9574 Network-On-Chip
> interfaces. This will be used by the gcc-ipq9574 driver
> that will for providing interconnect services using the
> icc-clk framework.
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Signed-off-by: Varadarajan Narayanan <quic_varada@...cinc.com>

Acked-by: Georgi Djakov <djakov@...nel.org>

> ---
> v8:
> Remove ICC_xxx macros
> Fix macro defines to be consistent with other bindings
> v7:
> Fix macro names to be consistent with other bindings
> v6:
> Removed Reviewed-by: Krzysztof Kozlowski
> Redefine the bindings such that driver and DT can share them
> 
> v3:
> Squash Documentation/ and include/ changes into same patch
> 
> qcom,ipq9574.h
> 	Move 'first id' to clock driver
> 
> ---
>   .../bindings/clock/qcom,ipq9574-gcc.yaml      |  3 +
>   .../dt-bindings/interconnect/qcom,ipq9574.h   | 59 +++++++++++++++++++
>   2 files changed, 62 insertions(+)
>   create mode 100644 include/dt-bindings/interconnect/qcom,ipq9574.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,ipq9574-gcc.yaml b/Documentation/devicetree/bindings/clock/qcom,ipq9574-gcc.yaml
> index 944a0ea79cd6..824781cbdf34 100644
> --- a/Documentation/devicetree/bindings/clock/qcom,ipq9574-gcc.yaml
> +++ b/Documentation/devicetree/bindings/clock/qcom,ipq9574-gcc.yaml
> @@ -33,6 +33,9 @@ properties:
>         - description: PCIE30 PHY3 pipe clock source
>         - description: USB3 PHY pipe clock source
>   
> +  '#interconnect-cells':
> +    const: 1
> +
>   required:
>     - compatible
>     - clocks
> diff --git a/include/dt-bindings/interconnect/qcom,ipq9574.h b/include/dt-bindings/interconnect/qcom,ipq9574.h
> new file mode 100644
> index 000000000000..42019335c7dd
> --- /dev/null
> +++ b/include/dt-bindings/interconnect/qcom,ipq9574.h
> @@ -0,0 +1,59 @@
> +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
> +#ifndef INTERCONNECT_QCOM_IPQ9574_H
> +#define INTERCONNECT_QCOM_IPQ9574_H
> +
> +#define MASTER_ANOC_PCIE0		0
> +#define SLAVE_ANOC_PCIE0		1
> +#define MASTER_SNOC_PCIE0		2
> +#define SLAVE_SNOC_PCIE0		3
> +#define MASTER_ANOC_PCIE1		4
> +#define SLAVE_ANOC_PCIE1		5
> +#define MASTER_SNOC_PCIE1		6
> +#define SLAVE_SNOC_PCIE1		7
> +#define MASTER_ANOC_PCIE2		8
> +#define SLAVE_ANOC_PCIE2		9
> +#define MASTER_SNOC_PCIE2		10
> +#define SLAVE_SNOC_PCIE2		11
> +#define MASTER_ANOC_PCIE3		12
> +#define SLAVE_ANOC_PCIE3		13
> +#define MASTER_SNOC_PCIE3		14
> +#define SLAVE_SNOC_PCIE3		15
> +#define MASTER_USB			16
> +#define SLAVE_USB			17
> +#define MASTER_USB_AXI			18
> +#define SLAVE_USB_AXI			19
> +#define MASTER_NSSNOC_NSSCC		20
> +#define SLAVE_NSSNOC_NSSCC		21
> +#define MASTER_NSSNOC_SNOC_0		22
> +#define SLAVE_NSSNOC_SNOC_0		23
> +#define MASTER_NSSNOC_SNOC_1		24
> +#define SLAVE_NSSNOC_SNOC_1		25
> +#define MASTER_NSSNOC_PCNOC_1		26
> +#define SLAVE_NSSNOC_PCNOC_1		27
> +#define MASTER_NSSNOC_QOSGEN_REF	28
> +#define SLAVE_NSSNOC_QOSGEN_REF		29
> +#define MASTER_NSSNOC_TIMEOUT_REF	30
> +#define SLAVE_NSSNOC_TIMEOUT_REF	31
> +#define MASTER_NSSNOC_XO_DCD		32
> +#define SLAVE_NSSNOC_XO_DCD		33
> +#define MASTER_NSSNOC_ATB		34
> +#define SLAVE_NSSNOC_ATB		35
> +#define MASTER_MEM_NOC_NSSNOC		36
> +#define SLAVE_MEM_NOC_NSSNOC		37
> +#define MASTER_NSSNOC_MEMNOC		38
> +#define SLAVE_NSSNOC_MEMNOC		39
> +#define MASTER_NSSNOC_MEM_NOC_1		40
> +#define SLAVE_NSSNOC_MEM_NOC_1		41
> +
> +#define MASTER_NSSNOC_PPE		0
> +#define SLAVE_NSSNOC_PPE		1
> +#define MASTER_NSSNOC_PPE_CFG		2
> +#define SLAVE_NSSNOC_PPE_CFG		3
> +#define MASTER_NSSNOC_NSS_CSR		4
> +#define SLAVE_NSSNOC_NSS_CSR		5
> +#define MASTER_NSSNOC_IMEM_QSB		6
> +#define SLAVE_NSSNOC_IMEM_QSB		7
> +#define MASTER_NSSNOC_IMEM_AHB		8
> +#define SLAVE_NSSNOC_IMEM_AHB		9
> +
> +#endif /* INTERCONNECT_QCOM_IPQ9574_H */