diff options
Diffstat (limited to 'drivers/mailbox/qcom-apcs-ipc-mailbox.c')
| -rw-r--r-- | drivers/mailbox/qcom-apcs-ipc-mailbox.c | 102 |
1 files changed, 72 insertions, 30 deletions
diff --git a/drivers/mailbox/qcom-apcs-ipc-mailbox.c b/drivers/mailbox/qcom-apcs-ipc-mailbox.c index 3cf2937be149..d3a8f6b4a03b 100644 --- a/drivers/mailbox/qcom-apcs-ipc-mailbox.c +++ b/drivers/mailbox/qcom-apcs-ipc-mailbox.c @@ -1,14 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2017, Linaro Ltd - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. */ #include <linux/kernel.h> @@ -32,12 +24,40 @@ struct qcom_apcs_ipc { struct platform_device *clk; }; +struct qcom_apcs_ipc_data { + int offset; + char *clk_name; +}; + +static const struct qcom_apcs_ipc_data ipq6018_apcs_data = { + .offset = 8, .clk_name = "qcom,apss-ipq6018-clk" +}; + +static const struct qcom_apcs_ipc_data msm8916_apcs_data = { + .offset = 8, .clk_name = "qcom-apcs-msm8916-clk" +}; + +static const struct qcom_apcs_ipc_data msm8994_apcs_data = { + .offset = 8, .clk_name = NULL +}; + +static const struct qcom_apcs_ipc_data msm8996_apcs_data = { + .offset = 16, .clk_name = "qcom-apcs-msm8996-clk" +}; + +static const struct qcom_apcs_ipc_data apps_shared_apcs_data = { + .offset = 12, .clk_name = NULL +}; + +static const struct qcom_apcs_ipc_data sdx55_apcs_data = { + .offset = 0x1008, .clk_name = "qcom-sdx55-acps-clk" +}; + static const struct regmap_config apcs_regmap_config = { .reg_bits = 32, .reg_stride = 4, .val_bits = 32, - .max_register = 0x1000, - .fast_io = true, + .max_register = 0x1008, }; static int qcom_apcs_ipc_send_data(struct mbox_chan *chan, void *data) @@ -55,11 +75,9 @@ static const struct mbox_chan_ops qcom_apcs_ipc_ops = { static int qcom_apcs_ipc_probe(struct platform_device *pdev) { - struct device_node *np = pdev->dev.of_node; struct qcom_apcs_ipc *apcs; + const struct qcom_apcs_ipc_data *apcs_data; struct regmap *regmap; - struct resource *res; - unsigned long offset; void __iomem *base; unsigned long i; int ret; @@ -68,8 +86,7 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev) if (!apcs) return -ENOMEM; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - base = devm_ioremap_resource(&pdev->dev, res); + base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) return PTR_ERR(base); @@ -77,10 +94,10 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev) if (IS_ERR(regmap)) return PTR_ERR(regmap); - offset = (unsigned long)of_device_get_match_data(&pdev->dev); + apcs_data = of_device_get_match_data(&pdev->dev); apcs->regmap = regmap; - apcs->offset = offset; + apcs->offset = apcs_data->offset; /* Initialize channel identifiers */ for (i = 0; i < ARRAY_SIZE(apcs->mbox_chans); i++) @@ -97,10 +114,19 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev) return ret; } - if (of_device_is_compatible(np, "qcom,msm8916-apcs-kpss-global")) { - apcs->clk = platform_device_register_data(&pdev->dev, - "qcom-apcs-msm8916-clk", - -1, NULL, 0); + if (apcs_data->clk_name) { + struct device_node *np = of_get_child_by_name(pdev->dev.of_node, + "clock-controller"); + struct platform_device_info pdevinfo = { + .parent = &pdev->dev, + .name = apcs_data->clk_name, + .id = PLATFORM_DEVID_AUTO, + .fwnode = of_fwnode_handle(np) ?: pdev->dev.fwnode, + .of_node_reused = !np, + }; + + apcs->clk = platform_device_register_full(&pdevinfo); + of_node_put(np); if (IS_ERR(apcs->clk)) dev_err(&pdev->dev, "failed to register APCS clk\n"); } @@ -110,23 +136,39 @@ static int qcom_apcs_ipc_probe(struct platform_device *pdev) return 0; } -static int qcom_apcs_ipc_remove(struct platform_device *pdev) +static void qcom_apcs_ipc_remove(struct platform_device *pdev) { struct qcom_apcs_ipc *apcs = platform_get_drvdata(pdev); struct platform_device *clk = apcs->clk; platform_device_unregister(clk); - - return 0; } /* .data is the offset of the ipc register within the global block */ static const struct of_device_id qcom_apcs_ipc_of_match[] = { - { .compatible = "qcom,msm8916-apcs-kpss-global", .data = (void *)8 }, - { .compatible = "qcom,msm8996-apcs-hmss-global", .data = (void *)16 }, - { .compatible = "qcom,msm8998-apcs-hmss-global", .data = (void *)8 }, - { .compatible = "qcom,qcs404-apcs-apps-global", .data = (void *)8 }, - { .compatible = "qcom,sdm845-apss-shared", .data = (void *)12 }, + { .compatible = "qcom,ipq6018-apcs-apps-global", .data = &ipq6018_apcs_data }, + { .compatible = "qcom,msm8916-apcs-kpss-global", .data = &msm8916_apcs_data }, + { .compatible = "qcom,msm8939-apcs-kpss-global", .data = &msm8916_apcs_data }, + { .compatible = "qcom,msm8953-apcs-kpss-global", .data = &msm8994_apcs_data }, + { .compatible = "qcom,msm8994-apcs-kpss-global", .data = &msm8994_apcs_data }, + { .compatible = "qcom,msm8996-apcs-hmss-global", .data = &msm8996_apcs_data }, + { .compatible = "qcom,qcm2290-apcs-hmss-global", .data = &msm8994_apcs_data }, + { .compatible = "qcom,sdm845-apss-shared", .data = &apps_shared_apcs_data }, + { .compatible = "qcom,sdx55-apcs-gcc", .data = &sdx55_apcs_data }, + /* Do not add any more entries using existing driver data */ + { .compatible = "qcom,msm8976-apcs-kpss-global", .data = &msm8994_apcs_data }, + { .compatible = "qcom,msm8998-apcs-hmss-global", .data = &msm8994_apcs_data }, + { .compatible = "qcom,qcs404-apcs-apps-global", .data = &msm8916_apcs_data }, + { .compatible = "qcom,sdm660-apcs-hmss-global", .data = &msm8994_apcs_data }, + { .compatible = "qcom,sm4250-apcs-hmss-global", .data = &msm8994_apcs_data }, + { .compatible = "qcom,sm6125-apcs-hmss-global", .data = &msm8994_apcs_data }, + { .compatible = "qcom,sm6115-apcs-hmss-global", .data = &msm8994_apcs_data }, + { .compatible = "qcom,ipq5332-apcs-apps-global", .data = &ipq6018_apcs_data }, + { .compatible = "qcom,ipq5424-apcs-apps-global", .data = &msm8994_apcs_data }, + { .compatible = "qcom,ipq8074-apcs-apps-global", .data = &ipq6018_apcs_data }, + { .compatible = "qcom,sc7180-apss-shared", .data = &apps_shared_apcs_data }, + { .compatible = "qcom,sc8180x-apss-shared", .data = &apps_shared_apcs_data }, + { .compatible = "qcom,sm8150-apss-shared", .data = &apps_shared_apcs_data }, {} }; MODULE_DEVICE_TABLE(of, qcom_apcs_ipc_of_match); |