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Date: Tue, 25 Jun 2019 18:00:05 +0300
From: Georgi Djakov <georgi.djakov@...aro.org>
To: robh+dt@...nel.org, devicetree@...r.kernel.org
Cc: bjorn.andersson@...aro.org, agross@...nel.org, vkoul@...nel.org,
evgreen@...omium.org, daidavid1@...eaurora.org,
linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-msm@...r.kernel.org
Subject: Re: [PATCH v4 1/5] dt-bindings: interconnect: Add Qualcomm QCS404 DT
bindings
Hi Rob,
On 6/13/19 18:13, Georgi Djakov wrote:
> The Qualcomm QCS404 platform has several buses that could be controlled
> and tuned according to the bandwidth demand.
>
> Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> Signed-off-by: Georgi Djakov <georgi.djakov@...aro.org>
> ---
>
> v4:
> - Add the DT header into this patch.
> - Pick Bjorn's r-b.
>
> v3:
> - Add a reg property and move the interconnect nodes under the "soc" node.
>
> v2:
> - No changes.
>
> .../bindings/interconnect/qcom,qcs404.txt | 46 ++++++++++
> .../dt-bindings/interconnect/qcom,qcs404.h | 88 +++++++++++++++++++
> 2 files changed, 134 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/interconnect/qcom,qcs404.txt
> create mode 100644 include/dt-bindings/interconnect/qcom,qcs404.h
>
> diff --git a/Documentation/devicetree/bindings/interconnect/qcom,qcs404.txt b/Documentation/devicetree/bindings/interconnect/qcom,qcs404.txt
> new file mode 100644
> index 000000000000..14a827268dda
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interconnect/qcom,qcs404.txt
> @@ -0,0 +1,46 @@
> +Qualcomm QCS404 Network-On-Chip interconnect driver binding
> +-----------------------------------------------------------
> +
> +Required properties :
> +- compatible : shall contain only one of the following:
> + "qcom,qcs404-bimc"
> + "qcom,qcs404-pcnoc"
> + "qcom,qcs404-snoc"
> +- #interconnect-cells : should contain 1
> +
> +Optional properties :
> +reg : specifies the physical base address and size of registers
> +clocks : list of phandles and specifiers to all interconnect bus clocks
> +clock-names : clock names should include both "bus_clk" and "bus_a_clk"
> +
> +Example:
> +
> +soc {
> + ...
> + bimc: interconnect@...000 {
> + reg = <0x00400000 0x80000>;
> + compatible = "qcom,qcs404-bimc";
> + #interconnect-cells = <1>;
> + clock-names = "bus_clk", "bus_a_clk";
> + clocks = <&rpmcc RPM_SMD_BIMC_CLK>,
> + <&rpmcc RPM_SMD_BIMC_A_CLK>;
> + };
> +
> + pnoc: interconnect@...000 {
> + reg = <0x00500000 0x15080>;
> + compatible = "qcom,qcs404-pcnoc";
> + #interconnect-cells = <1>;
> + clock-names = "bus_clk", "bus_a_clk";
> + clocks = <&rpmcc RPM_SMD_PNOC_CLK>,
> + <&rpmcc RPM_SMD_PNOC_A_CLK>;
> + };
> +
> + snoc: interconnect@...000 {
> + reg = <0x00580000 0x23080>;
> + compatible = "qcom,qcs404-snoc";
> + #interconnect-cells = <1>;
> + clock-names = "bus_clk", "bus_a_clk";
> + clocks = <&rpmcc RPM_SMD_SNOC_CLK>,
> + <&rpmcc RPM_SMD_SNOC_A_CLK>;
> + };
> +};
Does this look ok from DT perspective?
Thanks,
Georgi
> diff --git a/include/dt-bindings/interconnect/qcom,qcs404.h b/include/dt-bindings/interconnect/qcom,qcs404.h
> new file mode 100644
> index 000000000000..960f6e39c5f2
> --- /dev/null
> +++ b/include/dt-bindings/interconnect/qcom,qcs404.h
> @@ -0,0 +1,88 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * Qualcomm interconnect IDs
> + *
> + * Copyright (c) 2019, Linaro Ltd.
> + * Author: Georgi Djakov <georgi.djakov@...aro.org>
> + */
> +
> +#ifndef __DT_BINDINGS_INTERCONNECT_QCOM_QCS404_H
> +#define __DT_BINDINGS_INTERCONNECT_QCOM_QCS404_H
> +
> +#define MASTER_AMPSS_M0 0
> +#define MASTER_OXILI 1
> +#define MASTER_MDP_PORT0 2
> +#define MASTER_SNOC_BIMC_1 3
> +#define MASTER_TCU_0 4
> +#define SLAVE_EBI_CH0 5
> +#define SLAVE_BIMC_SNOC 6
> +
> +#define MASTER_SPDM 0
> +#define MASTER_BLSP_1 1
> +#define MASTER_BLSP_2 2
> +#define MASTER_XI_USB_HS1 3
> +#define MASTER_CRYPT0 4
> +#define MASTER_SDCC_1 5
> +#define MASTER_SDCC_2 6
> +#define MASTER_SNOC_PCNOC 7
> +#define MASTER_QPIC 8
> +#define PCNOC_INT_0 9
> +#define PCNOC_INT_2 10
> +#define PCNOC_INT_3 11
> +#define PCNOC_S_0 12
> +#define PCNOC_S_1 13
> +#define PCNOC_S_2 14
> +#define PCNOC_S_3 15
> +#define PCNOC_S_4 16
> +#define PCNOC_S_6 17
> +#define PCNOC_S_7 18
> +#define PCNOC_S_8 19
> +#define PCNOC_S_9 20
> +#define PCNOC_S_10 21
> +#define PCNOC_S_11 22
> +#define SLAVE_SPDM 23
> +#define SLAVE_PDM 24
> +#define SLAVE_PRNG 25
> +#define SLAVE_TCSR 26
> +#define SLAVE_SNOC_CFG 27
> +#define SLAVE_MESSAGE_RAM 28
> +#define SLAVE_DISP_SS_CFG 29
> +#define SLAVE_GPU_CFG 30
> +#define SLAVE_BLSP_1 31
> +#define SLAVE_BLSP_2 32
> +#define SLAVE_TLMM_NORTH 33
> +#define SLAVE_PCIE 34
> +#define SLAVE_ETHERNET 35
> +#define SLAVE_TLMM_EAST 36
> +#define SLAVE_TCU 37
> +#define SLAVE_PMIC_ARB 38
> +#define SLAVE_SDCC_1 39
> +#define SLAVE_SDCC_2 40
> +#define SLAVE_TLMM_SOUTH 41
> +#define SLAVE_USB_HS 42
> +#define SLAVE_USB3 43
> +#define SLAVE_CRYPTO_0_CFG 44
> +#define SLAVE_PCNOC_SNOC 45
> +
> +#define MASTER_QDSS_BAM 0
> +#define MASTER_BIMC_SNOC 1
> +#define MASTER_PCNOC_SNOC 2
> +#define MASTER_QDSS_ETR 3
> +#define MASTER_EMAC 4
> +#define MASTER_PCIE 5
> +#define MASTER_USB3 6
> +#define QDSS_INT 7
> +#define SNOC_INT_0 8
> +#define SNOC_INT_1 9
> +#define SNOC_INT_2 10
> +#define SLAVE_KPSS_AHB 11
> +#define SLAVE_WCSS 12
> +#define SLAVE_SNOC_BIMC_1 13
> +#define SLAVE_IMEM 14
> +#define SLAVE_SNOC_PCNOC 15
> +#define SLAVE_QDSS_STM 16
> +#define SLAVE_CATS_0 17
> +#define SLAVE_CATS_1 18
> +#define SLAVE_LPASS 19
> +
> +#endif
>
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