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This will be used by the gcc-ipq9574 driver that will for providing interconnect services using the icc-clk framework. Signed-off-by: Varadarajan Narayanan --- v2: Rename master slave macros Fix license identifier --- .../dt-bindings/interconnect/qcom,ipq9574.h | 62 +++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 include/dt-bindings/interconnect/qcom,ipq9574.h diff --git a/include/dt-bindings/interconnect/qcom,ipq9574.h b/include/dt-bindings/interconnect/qcom,ipq9574.h new file mode 100644 index 000000000000..b7b32aa6bbb1 --- /dev/null +++ b/include/dt-bindings/interconnect/qcom,ipq9574.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +#ifndef INTERCONNECT_QCOM_IPQ9574_H +#define INTERCONNECT_QCOM_IPQ9574_H + +#define IPQ_APPS_ID 9574 /* some unique value */ +#define IPQ_NSS_ID (IPQ_APPS_ID * 2) + +#define MASTER_ANOC_PCIE0_1 0 +#define SLAVE_ANOC_PCIE0_1 1 +#define MASTER_SNOC_PCIE0_1 2 +#define SLAVE_SNOC_PCIE0_1 3 +#define MASTER_ANOC_PCIE1_1 4 +#define SLAVE_ANOC_PCIE1_1 5 +#define MASTER_SNOC_PCIE1_1 6 +#define SLAVE_SNOC_PCIE1_1 7 +#define MASTER_ANOC_PCIE2_2 8 +#define SLAVE_ANOC_PCIE2_2 9 +#define MASTER_SNOC_PCIE2_2 10 +#define SLAVE_SNOC_PCIE2_2 11 +#define MASTER_ANOC_PCIE3_2 12 +#define SLAVE_ANOC_PCIE3_2 13 +#define MASTER_SNOC_PCIE3_2 14 +#define SLAVE_SNOC_PCIE3_2 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 22 +#define SLAVE_NSSNOC_SNOC 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_NSS_CC_NSSNOC_PPE 0 +#define SLAVE_NSS_CC_NSSNOC_PPE 1 +#define MASTER_NSS_CC_NSSNOC_PPE_CFG 2 +#define SLAVE_NSS_CC_NSSNOC_PPE_CFG 3 +#define MASTER_NSS_CC_NSSNOC_NSS_CSR 4 +#define SLAVE_NSS_CC_NSSNOC_NSS_CSR 5 +#define MASTER_NSS_CC_NSSNOC_IMEM_QSB 6 +#define SLAVE_NSS_CC_NSSNOC_IMEM_QSB 7 +#define MASTER_NSS_CC_NSSNOC_IMEM_AHB 8 +#define SLAVE_NSS_CC_NSSNOC_IMEM_AHB 9 + +#endif /* INTERCONNECT_QCOM_IPQ9574_H */ From patchwork Mon Mar 25 10:20:35 2024 Content-Type: text/plain; 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However, there is a requirement to enable some NoC interface clocks for accessing the peripheral controllers present on these NoCs. Though exposing these as normal clocks would work, having a minimalistic interconnect driver to handle these clocks would make it consistent with other Qualcomm platforms resulting in common code paths. This is similar to msm8996-cbf's usage of icc-clk framework. Signed-off-by: Varadarajan Narayanan --- v2: Move DTS to separate patch Update commit log Auto select CONFIG_INTERCONNECT & CONFIG_INTERCONNECT_CLK to fix build error --- drivers/clk/qcom/Kconfig | 2 ++ drivers/clk/qcom/gcc-ipq9574.c | 65 +++++++++++++++++++++++++++++++++- 2 files changed, 66 insertions(+), 1 deletion(-) diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index 8ab08e7b5b6c..af73a0b396eb 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -243,6 +243,8 @@ config IPQ_GCC_8074 config IPQ_GCC_9574 tristate "IPQ9574 Global Clock Controller" + select INTERCONNECT + select INTERCONNECT_CLK help Support for global clock controller on ipq9574 devices. Say Y if you want to use peripheral devices such as UART, SPI, diff --git a/drivers/clk/qcom/gcc-ipq9574.c b/drivers/clk/qcom/gcc-ipq9574.c index 0a3f846695b8..ed25bb34216a 100644 --- a/drivers/clk/qcom/gcc-ipq9574.c +++ b/drivers/clk/qcom/gcc-ipq9574.c @@ -9,9 +9,12 @@ #include #include #include +#include +#include #include #include +#include #include "clk-alpha-pll.h" #include "clk-branch.h" @@ -4301,6 +4304,33 @@ static const struct qcom_reset_map gcc_ipq9574_resets[] = { [GCC_WCSS_Q6_TBU_BCR] = { 0x12054, 0 }, }; + +static struct icc_clk_data *icc_ipq9574; + +static int noc_clks[] = { + GCC_ANOC_PCIE0_1LANE_M_CLK, + GCC_SNOC_PCIE0_1LANE_S_CLK, + GCC_ANOC_PCIE1_1LANE_M_CLK, + GCC_SNOC_PCIE1_1LANE_S_CLK, + GCC_ANOC_PCIE2_2LANE_M_CLK, + GCC_SNOC_PCIE2_2LANE_S_CLK, + GCC_ANOC_PCIE3_2LANE_M_CLK, + GCC_SNOC_PCIE3_2LANE_S_CLK, + GCC_SNOC_USB_CLK, + GCC_ANOC_USB_AXI_CLK, + GCC_NSSNOC_NSSCC_CLK, + GCC_NSSNOC_SNOC_CLK, + GCC_NSSNOC_SNOC_1_CLK, + GCC_NSSNOC_PCNOC_1_CLK, + GCC_NSSNOC_QOSGEN_REF_CLK, + GCC_NSSNOC_TIMEOUT_REF_CLK, + GCC_NSSNOC_XO_DCD_CLK, + GCC_NSSNOC_ATB_CLK, + GCC_MEM_NOC_NSSNOC_CLK, + GCC_NSSNOC_MEMNOC_CLK, + GCC_NSSNOC_MEM_NOC_1_CLK, +}; + static const struct of_device_id gcc_ipq9574_match_table[] = { { .compatible = "qcom,ipq9574-gcc" }, { } @@ -4327,7 +4357,40 @@ static const struct qcom_cc_desc gcc_ipq9574_desc = { static int gcc_ipq9574_probe(struct platform_device *pdev) { - return qcom_cc_probe(pdev, &gcc_ipq9574_desc); + int ret = qcom_cc_probe(pdev, &gcc_ipq9574_desc); + struct icc_provider *provider; + struct icc_clk_data *icd; + int i; + + if (ret) + return dev_err_probe(&pdev->dev, ret, "%s failed\n", __func__); + + icd = devm_kmalloc(&pdev->dev, ARRAY_SIZE(noc_clks) * sizeof(*icd), + GFP_KERNEL); + + if (IS_ERR_OR_NULL(icd)) + return dev_err_probe(&pdev->dev, PTR_ERR(icd), + "%s malloc failed\n", __func__); + + icc_ipq9574 = icd; + + for (i = 0; i < ARRAY_SIZE(noc_clks); i++, icd++) { + icd->clk = gcc_ipq9574_clks[noc_clks[i]]->hw.clk; + if (IS_ERR_OR_NULL(icd->clk)) { + dev_err(&pdev->dev, "%s: %d clock not found\n", + __func__, noc_clks[i]); + return -ENOENT; + } + icd->name = clk_hw_get_name(&gcc_ipq9574_clks[noc_clks[i]]->hw); 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Mon, 25 Mar 2024 10:21:16 GMT Received: from hu-varada-blr.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Mon, 25 Mar 2024 03:21:11 -0700 From: Varadarajan Narayanan To: , , , , , , , , , , , , , CC: Varadarajan Narayanan Subject: [PATCH v2 4/4] arm64: dts: qcom: ipq9574: Add icc provider ability to gcc Date: Mon, 25 Mar 2024 15:50:36 +0530 Message-ID: <20240325102036.95484-5-quic_varada@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240325102036.95484-1-quic_varada@quicinc.com> References: <20240325102036.95484-1-quic_varada@quicinc.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: sqxEGgZ6sgjvxuXxq4wskYn9EM-KoJ3E X-Proofpoint-GUID: sqxEGgZ6sgjvxuXxq4wskYn9EM-KoJ3E X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-25_07,2024-03-21_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 mlxscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 clxscore=1015 adultscore=0 mlxlogscore=999 priorityscore=1501 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2403210001 definitions=main-2403250056 IPQ SoCs dont involve RPM in managing NoC related clocks and there is no NoC scaling. Linux itself handles these clocks. However, these should not be exposed as just clocks and align with other Qualcomm SoCs that handle these clocks from a interconnect provider. Hence include icc provider capability to the gcc node so that peripherals can use the interconnect facility to enable these clocks. Signed-off-by: Varadarajan Narayanan --- v2: Fix include file order Move to separate patch --- arch/arm64/boot/dts/qcom/ipq9574.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi index 7f2e5cbf3bbb..5b3e69379b1f 100644 --- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi @@ -8,6 +8,7 @@ #include #include +#include #include #include #include @@ -306,6 +307,7 @@ gcc: clock-controller@1800000 { #clock-cells = <1>; #reset-cells = <1>; #power-domain-cells = <1>; + #interconnect-cells = <1>; }; tcsr_mutex: hwlock@1905000 {