From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- drivers/interconnect/imx/Kconfig | 21 +++ drivers/interconnect/imx/Makefile | 11 ++ drivers/interconnect/imx/imx.c | 337 ++++++++++++++++++++++++++++++++++++++ drivers/interconnect/imx/imx.h | 108 ++++++++++++ drivers/interconnect/imx/imx8mm.c | 107 ++++++++++++ drivers/interconnect/imx/imx8mn.c | 96 +++++++++++ drivers/interconnect/imx/imx8mp.c | 261 +++++++++++++++++++++++++++++ drivers/interconnect/imx/imx8mq.c | 107 ++++++++++++ 8 files changed, 1048 insertions(+) create mode 100644 drivers/interconnect/imx/Kconfig create mode 100644 drivers/interconnect/imx/Makefile create mode 100644 drivers/interconnect/imx/imx.c create mode 100644 drivers/interconnect/imx/imx.h create mode 100644 drivers/interconnect/imx/imx8mm.c create mode 100644 drivers/interconnect/imx/imx8mn.c create mode 100644 drivers/interconnect/imx/imx8mp.c create mode 100644 drivers/interconnect/imx/imx8mq.c (limited to 'drivers/interconnect/imx') diff --git a/drivers/interconnect/imx/Kconfig b/drivers/interconnect/imx/Kconfig new file mode 100644 index 000000000..c77255243 --- /dev/null +++ b/drivers/interconnect/imx/Kconfig @@ -0,0 +1,21 @@ +config INTERCONNECT_IMX + tristate "i.MX interconnect drivers" + depends on ARCH_MXC || COMPILE_TEST + help + Generic interconnect drivers for i.MX SOCs + +config INTERCONNECT_IMX8MM + tristate "i.MX8MM interconnect driver" + depends on INTERCONNECT_IMX + +config INTERCONNECT_IMX8MN + tristate "i.MX8MN interconnect driver" + depends on INTERCONNECT_IMX + +config INTERCONNECT_IMX8MQ + tristate "i.MX8MQ interconnect driver" + depends on INTERCONNECT_IMX + +config INTERCONNECT_IMX8MP + tristate "i.MX8MP interconnect driver" + depends on INTERCONNECT_IMX diff --git a/drivers/interconnect/imx/Makefile b/drivers/interconnect/imx/Makefile new file mode 100644 index 000000000..16d256cde --- /dev/null +++ b/drivers/interconnect/imx/Makefile @@ -0,0 +1,11 @@ +imx-interconnect-objs := imx.o +imx8mm-interconnect-objs := imx8mm.o +imx8mq-interconnect-objs := imx8mq.o +imx8mn-interconnect-objs := imx8mn.o +imx8mp-interconnect-objs := imx8mp.o + +obj-$(CONFIG_INTERCONNECT_IMX) += imx-interconnect.o +obj-$(CONFIG_INTERCONNECT_IMX8MM) += imx8mm-interconnect.o +obj-$(CONFIG_INTERCONNECT_IMX8MQ) += imx8mq-interconnect.o +obj-$(CONFIG_INTERCONNECT_IMX8MN) += imx8mn-interconnect.o +obj-$(CONFIG_INTERCONNECT_IMX8MP) += imx8mp-interconnect.o diff --git a/drivers/interconnect/imx/imx.c b/drivers/interconnect/imx/imx.c new file mode 100644 index 000000000..979ed610f --- /dev/null +++ b/drivers/interconnect/imx/imx.c @@ -0,0 +1,337 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Interconnect framework driver for i.MX SoC + * + * Copyright (c) 2019, BayLibre + * Copyright (c) 2019-2020, NXP + * Author: Alexandre Bailon + * Author: Leonard Crestez + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "imx.h" + +/* private icc_node data */ +struct imx_icc_node { + const struct imx_icc_node_desc *desc; + const struct imx_icc_noc_setting *setting; + struct device *qos_dev; + struct dev_pm_qos_request qos_req; + struct imx_icc_provider *imx_provider; +}; + +static int imx_icc_get_bw(struct icc_node *node, u32 *avg, u32 *peak) +{ + *avg = 0; + *peak = 0; + + return 0; +} + +static int imx_icc_node_set(struct icc_node *node) +{ + struct device *dev = node->provider->dev; + struct imx_icc_node *node_data = node->data; + void __iomem *base; + u32 prio; + u64 freq; + + if (node_data->setting && node->peak_bw) { + base = node_data->setting->reg + node_data->imx_provider->noc_base; + if (node_data->setting->mode == IMX_NOC_MODE_FIXED) { + prio = node_data->setting->prio_level; + prio = PRIORITY_COMP_MARK | (prio << 8) | prio; + writel(prio, base + IMX_NOC_PRIO_REG); + writel(node_data->setting->mode, base + IMX_NOC_MODE_REG); + writel(node_data->setting->ext_control, base + IMX_NOC_EXT_CTL_REG); + dev_dbg(dev, "%s: mode: 0x%x, prio: 0x%x, ext_control: 0x%x\n", + node_data->desc->name, node_data->setting->mode, prio, + node_data->setting->ext_control); + } else if (node_data->setting->mode == IMX_NOC_MODE_UNCONFIGURED) { + dev_dbg(dev, "%s: mode not unconfigured\n", node_data->desc->name); + } else { + dev_info(dev, "%s: mode: %d not supported\n", + node_data->desc->name, node_data->setting->mode); + return -EOPNOTSUPP; + } + } + + if (!node_data->qos_dev) + return 0; + + freq = (node->avg_bw + node->peak_bw) * node_data->desc->adj->bw_mul; + do_div(freq, node_data->desc->adj->bw_div); + dev_dbg(dev, "node %s device %s avg_bw %ukBps peak_bw %ukBps min_freq %llukHz\n", + node->name, dev_name(node_data->qos_dev), + node->avg_bw, node->peak_bw, freq); + + if (freq > S32_MAX) { + dev_err(dev, "%s can't request more than S32_MAX freq\n", + node->name); + return -ERANGE; + } + + dev_pm_qos_update_request(&node_data->qos_req, freq); + + return 0; +} + +static int imx_icc_set(struct icc_node *src, struct icc_node *dst) +{ + int ret; + + ret = imx_icc_node_set(src); + if (ret) + return ret; + + return imx_icc_node_set(dst); +} + +/* imx_icc_node_destroy() - Destroy an imx icc_node, including private data */ +static void imx_icc_node_destroy(struct icc_node *node) +{ + struct imx_icc_node *node_data = node->data; + int ret; + + if (dev_pm_qos_request_active(&node_data->qos_req)) { + ret = dev_pm_qos_remove_request(&node_data->qos_req); + if (ret) + dev_warn(node->provider->dev, + "failed to remove qos request for %s\n", + dev_name(node_data->qos_dev)); + } + + put_device(node_data->qos_dev); + icc_node_del(node); + icc_node_destroy(node->id); +} + +static int imx_icc_node_init_qos(struct icc_provider *provider, + struct icc_node *node) +{ + struct imx_icc_node *node_data = node->data; + const struct imx_icc_node_adj_desc *adj = node_data->desc->adj; + struct device *dev = provider->dev; + struct device_node *dn = NULL; + struct platform_device *pdev; + + if (adj->main_noc) { + node_data->qos_dev = dev; + dev_dbg(dev, "icc node %s[%d] is main noc itself\n", + node->name, node->id); + } else { + dn = of_parse_phandle(dev->of_node, adj->phandle_name, 0); + if (!dn) { + dev_warn(dev, "Failed to parse %s\n", + adj->phandle_name); + return -ENODEV; + } + /* Allow scaling to be disabled on a per-node basis */ + if (!of_device_is_available(dn)) { + dev_warn(dev, "Missing property %s, skip scaling %s\n", + adj->phandle_name, node->name); + of_node_put(dn); + return 0; + } + + pdev = of_find_device_by_node(dn); + of_node_put(dn); + if (!pdev) { + dev_warn(dev, "node %s[%d] missing device for %pOF\n", + node->name, node->id, dn); + return -EPROBE_DEFER; + } + node_data->qos_dev = &pdev->dev; + dev_dbg(dev, "node %s[%d] has device node %pOF\n", + node->name, node->id, dn); + } + + return dev_pm_qos_add_request(node_data->qos_dev, + &node_data->qos_req, + DEV_PM_QOS_MIN_FREQUENCY, 0); +} + +static struct icc_node *imx_icc_node_add(struct imx_icc_provider *imx_provider, + const struct imx_icc_node_desc *node_desc, + const struct imx_icc_noc_setting *setting) +{ + struct icc_provider *provider = &imx_provider->provider; + struct device *dev = provider->dev; + struct imx_icc_node *node_data; + struct icc_node *node; + int ret; + + node = icc_node_create(node_desc->id); + if (IS_ERR(node)) { + dev_err(dev, "failed to create node %d\n", node_desc->id); + return node; + } + + if (node->data) { + dev_err(dev, "already created node %s id=%d\n", + node_desc->name, node_desc->id); + return ERR_PTR(-EEXIST); + } + + node_data = devm_kzalloc(dev, sizeof(*node_data), GFP_KERNEL); + if (!node_data) { + icc_node_destroy(node->id); + return ERR_PTR(-ENOMEM); + } + + node->name = node_desc->name; + node->data = node_data; + node_data->desc = node_desc; + node_data->setting = setting; + node_data->imx_provider = imx_provider; + icc_node_add(node, provider); + + if (node_desc->adj) { + ret = imx_icc_node_init_qos(provider, node); + if (ret < 0) { + imx_icc_node_destroy(node); + return ERR_PTR(ret); + } + } + + return node; +} + +static void imx_icc_unregister_nodes(struct icc_provider *provider) +{ + struct icc_node *node, *tmp; + + list_for_each_entry_safe(node, tmp, &provider->nodes, node_list) + imx_icc_node_destroy(node); +} + +static int imx_icc_register_nodes(struct imx_icc_provider *imx_provider, + const struct imx_icc_node_desc *descs, + int count, + const struct imx_icc_noc_setting *settings) +{ + struct icc_provider *provider = &imx_provider->provider; + struct icc_onecell_data *provider_data = provider->data; + int ret; + int i; + + for (i = 0; i < count; i++) { + struct icc_node *node; + const struct imx_icc_node_desc *node_desc = &descs[i]; + size_t j; + + node = imx_icc_node_add(imx_provider, node_desc, + settings ? &settings[node_desc->id] : NULL); + if (IS_ERR(node)) { + ret = dev_err_probe(provider->dev, PTR_ERR(node), + "failed to add %s\n", node_desc->name); + goto err; + } + provider_data->nodes[node->id] = node; + + for (j = 0; j < node_desc->num_links; j++) { + ret = icc_link_create(node, node_desc->links[j]); + if (ret) { + dev_err(provider->dev, "failed to link node %d to %d: %d\n", + node->id, node_desc->links[j], ret); + goto err; + } + } + } + + return 0; + +err: + imx_icc_unregister_nodes(provider); + + return ret; +} + +static int get_max_node_id(struct imx_icc_node_desc *nodes, int nodes_count) +{ + int i, ret = 0; + + for (i = 0; i < nodes_count; ++i) + if (nodes[i].id > ret) + ret = nodes[i].id; + + return ret; +} + +int imx_icc_register(struct platform_device *pdev, + struct imx_icc_node_desc *nodes, int nodes_count, + struct imx_icc_noc_setting *settings) +{ + struct device *dev = &pdev->dev; + struct icc_onecell_data *data; + struct imx_icc_provider *imx_provider; + struct icc_provider *provider; + int num_nodes; + int ret; + + /* icc_onecell_data is indexed by node_id, unlike nodes param */ + num_nodes = get_max_node_id(nodes, nodes_count) + 1; + data = devm_kzalloc(dev, struct_size(data, nodes, num_nodes), + GFP_KERNEL); + if (!data) + return -ENOMEM; + data->num_nodes = num_nodes; + + imx_provider = devm_kzalloc(dev, sizeof(*imx_provider), GFP_KERNEL); + if (!imx_provider) + return -ENOMEM; + provider = &imx_provider->provider; + provider->set = imx_icc_set; + provider->get_bw = imx_icc_get_bw; + provider->aggregate = icc_std_aggregate; + provider->xlate = of_icc_xlate_onecell; + provider->data = data; + provider->dev = dev->parent; + + icc_provider_init(provider); + + platform_set_drvdata(pdev, imx_provider); + + if (settings) { + imx_provider->noc_base = devm_of_iomap(dev, provider->dev->of_node, 0, NULL); + if (IS_ERR(imx_provider->noc_base)) { + ret = PTR_ERR(imx_provider->noc_base); + dev_err(dev, "Error mapping NoC: %d\n", ret); + return ret; + } + } + + ret = imx_icc_register_nodes(imx_provider, nodes, nodes_count, settings); + if (ret) + return ret; + + ret = icc_provider_register(provider); + if (ret) + goto err_unregister_nodes; + + return 0; + +err_unregister_nodes: + imx_icc_unregister_nodes(&imx_provider->provider); + return ret; +} +EXPORT_SYMBOL_GPL(imx_icc_register); + +void imx_icc_unregister(struct platform_device *pdev) +{ + struct imx_icc_provider *imx_provider = platform_get_drvdata(pdev); + + icc_provider_deregister(&imx_provider->provider); + imx_icc_unregister_nodes(&imx_provider->provider); +} +EXPORT_SYMBOL_GPL(imx_icc_unregister); + +MODULE_LICENSE("GPL v2"); diff --git a/drivers/interconnect/imx/imx.h b/drivers/interconnect/imx/imx.h new file mode 100644 index 000000000..895907cdc --- /dev/null +++ b/drivers/interconnect/imx/imx.h @@ -0,0 +1,108 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Interconnect framework driver for i.MX SoC + * + * Copyright (c) 2019, BayLibre + * Copyright (c) 2019-2020, NXP + * Author: Alexandre Bailon + * Author: Leonard Crestez + */ +#ifndef __DRIVERS_INTERCONNECT_IMX_H +#define __DRIVERS_INTERCONNECT_IMX_H + +#include +#include + +#define IMX_ICC_MAX_LINKS 4 + +/* + * High throughput priority level in Regulator mode + * Read Priority in Fixed/Limiter mode + */ +#define PRIORITY0_SHIFT 0 +/* + * Low throughput priority level in Regulator mode + * Write Priority in Fixed/Limiter mode + */ +#define PRIORITY1_SHIFT 8 +#define PRIORITY_MASK 0x7 + +#define PRIORITY_COMP_MARK BIT(31) /* Must set */ + +#define IMX_NOC_MODE_FIXED 0 +#define IMX_NOC_MODE_LIMITER 1 +#define IMX_NOC_MODE_BYPASS 2 +#define IMX_NOC_MODE_REGULATOR 3 +#define IMX_NOC_MODE_UNCONFIGURED 0xFF + +#define IMX_NOC_PRIO_REG 0x8 +#define IMX_NOC_MODE_REG 0xC +#define IMX_NOC_BANDWIDTH_REG 0x10 +#define IMX_NOC_SATURATION 0x14 +#define IMX_NOC_EXT_CTL_REG 0x18 + +struct imx_icc_provider { + void __iomem *noc_base; + struct icc_provider provider; +}; + +/* + * struct imx_icc_node_adj - Describe a dynamic adjustable node + */ +struct imx_icc_node_adj_desc { + unsigned int bw_mul, bw_div; + const char *phandle_name; + bool main_noc; +}; + +/* + * struct imx_icc_node - Describe an interconnect node + * @name: name of the node + * @id: an unique id to identify the node + * @links: an array of slaves' node id + * @num_links: number of id defined in links + */ +struct imx_icc_node_desc { + const char *name; + u16 id; + u16 links[IMX_ICC_MAX_LINKS]; + u16 num_links; + const struct imx_icc_node_adj_desc *adj; +}; + +/* + * struct imx_icc_noc_setting - Describe an interconnect node setting + * @reg: register offset inside the NoC + * @prio_level: priority level + * @mode: functional mode + * @ext_control: external input control + */ +struct imx_icc_noc_setting { + u32 reg; + u32 prio_level; + u32 mode; + u32 ext_control; +}; + +#define DEFINE_BUS_INTERCONNECT(_name, _id, _adj, ...) \ + { \ + .id = _id, \ + .name = _name, \ + .adj = _adj, \ + .num_links = ARRAY_SIZE(((int[]){ __VA_ARGS__ })), \ + .links = { __VA_ARGS__ }, \ + } + +#define DEFINE_BUS_MASTER(_name, _id, _dest_id) \ + DEFINE_BUS_INTERCONNECT(_name, _id, NULL, _dest_id) + +#define DEFINE_BUS_SLAVE(_name, _id, _adj) \ + DEFINE_BUS_INTERCONNECT(_name, _id, _adj) + +int imx_icc_register(struct platform_device *pdev, + struct imx_icc_node_desc *nodes, + int nodes_count, + struct imx_icc_noc_setting *noc_settings); +void imx_icc_unregister(struct platform_device *pdev); + +#endif /* __DRIVERS_INTERCONNECT_IMX_H */ diff --git a/drivers/interconnect/imx/imx8mm.c b/drivers/interconnect/imx/imx8mm.c new file mode 100644 index 000000000..b43325364 --- /dev/null +++ b/drivers/interconnect/imx/imx8mm.c @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Interconnect framework driver for i.MX8MM SoC + * + * Copyright (c) 2019, BayLibre + * Copyright (c) 2019-2020, NXP + * Author: Alexandre Bailon + * Author: Leonard Crestez + */ + +#include +#include +#include + +#include "imx.h" + +static const struct imx_icc_node_adj_desc imx8mm_dram_adj = { + .bw_mul = 1, + .bw_div = 16, + .phandle_name = "fsl,ddrc", +}; + +static const struct imx_icc_node_adj_desc imx8mm_noc_adj = { + .bw_mul = 1, + .bw_div = 16, + .main_noc = true, +}; + +/* + * Describe bus masters, slaves and connections between them + * + * This is a simplified subset of the bus diagram, there are several other + * PL301 nics which are skipped/merged into PL301_MAIN + */ +static struct imx_icc_node_desc nodes[] = { + DEFINE_BUS_INTERCONNECT("NOC", IMX8MM_ICN_NOC, &imx8mm_noc_adj, + IMX8MM_ICS_DRAM, IMX8MM_ICN_MAIN), + + DEFINE_BUS_SLAVE("DRAM", IMX8MM_ICS_DRAM, &imx8mm_dram_adj), + DEFINE_BUS_SLAVE("OCRAM", IMX8MM_ICS_OCRAM, NULL), + DEFINE_BUS_MASTER("A53", IMX8MM_ICM_A53, IMX8MM_ICN_NOC), + + /* VPUMIX */ + DEFINE_BUS_MASTER("VPU H1", IMX8MM_ICM_VPU_H1, IMX8MM_ICN_VIDEO), + DEFINE_BUS_MASTER("VPU G1", IMX8MM_ICM_VPU_G1, IMX8MM_ICN_VIDEO), + DEFINE_BUS_MASTER("VPU G2", IMX8MM_ICM_VPU_G2, IMX8MM_ICN_VIDEO), + DEFINE_BUS_INTERCONNECT("PL301_VIDEO", IMX8MM_ICN_VIDEO, NULL, IMX8MM_ICN_NOC), + + /* GPUMIX */ + DEFINE_BUS_MASTER("GPU 2D", IMX8MM_ICM_GPU2D, IMX8MM_ICN_GPU), + DEFINE_BUS_MASTER("GPU 3D", IMX8MM_ICM_GPU3D, IMX8MM_ICN_GPU), + DEFINE_BUS_INTERCONNECT("PL301_GPU", IMX8MM_ICN_GPU, NULL, IMX8MM_ICN_NOC), + + /* DISPLAYMIX */ + DEFINE_BUS_MASTER("CSI", IMX8MM_ICM_CSI, IMX8MM_ICN_MIPI), + DEFINE_BUS_MASTER("LCDIF", IMX8MM_ICM_LCDIF, IMX8MM_ICN_MIPI), + DEFINE_BUS_INTERCONNECT("PL301_MIPI", IMX8MM_ICN_MIPI, NULL, IMX8MM_ICN_NOC), + + /* HSIO */ + DEFINE_BUS_MASTER("USB1", IMX8MM_ICM_USB1, IMX8MM_ICN_HSIO), + DEFINE_BUS_MASTER("USB2", IMX8MM_ICM_USB2, IMX8MM_ICN_HSIO), + DEFINE_BUS_MASTER("PCIE", IMX8MM_ICM_PCIE, IMX8MM_ICN_HSIO), + DEFINE_BUS_INTERCONNECT("PL301_HSIO", IMX8MM_ICN_HSIO, NULL, IMX8MM_ICN_NOC), + + /* Audio */ + DEFINE_BUS_MASTER("SDMA2", IMX8MM_ICM_SDMA2, IMX8MM_ICN_AUDIO), + DEFINE_BUS_MASTER("SDMA3", IMX8MM_ICM_SDMA3, IMX8MM_ICN_AUDIO), + DEFINE_BUS_INTERCONNECT("PL301_AUDIO", IMX8MM_ICN_AUDIO, NULL, IMX8MM_ICN_MAIN), + + /* Ethernet */ + DEFINE_BUS_MASTER("ENET", IMX8MM_ICM_ENET, IMX8MM_ICN_ENET), + DEFINE_BUS_INTERCONNECT("PL301_ENET", IMX8MM_ICN_ENET, NULL, IMX8MM_ICN_MAIN), + + /* Other */ + DEFINE_BUS_MASTER("SDMA1", IMX8MM_ICM_SDMA1, IMX8MM_ICN_MAIN), + DEFINE_BUS_MASTER("NAND", IMX8MM_ICM_NAND, IMX8MM_ICN_MAIN), + DEFINE_BUS_MASTER("USDHC1", IMX8MM_ICM_USDHC1, IMX8MM_ICN_MAIN), + DEFINE_BUS_MASTER("USDHC2", IMX8MM_ICM_USDHC2, IMX8MM_ICN_MAIN), + DEFINE_BUS_MASTER("USDHC3", IMX8MM_ICM_USDHC3, IMX8MM_ICN_MAIN), + DEFINE_BUS_INTERCONNECT("PL301_MAIN", IMX8MM_ICN_MAIN, NULL, + IMX8MM_ICN_NOC, IMX8MM_ICS_OCRAM), +}; + +static int imx8mm_icc_probe(struct platform_device *pdev) +{ + return imx_icc_register(pdev, nodes, ARRAY_SIZE(nodes), NULL); +} + +static int imx8mm_icc_remove(struct platform_device *pdev) +{ + imx_icc_unregister(pdev); + + return 0; +} + +static struct platform_driver imx8mm_icc_driver = { + .probe = imx8mm_icc_probe, + .remove = imx8mm_icc_remove, + .driver = { + .name = "imx8mm-interconnect", + }, +}; + +module_platform_driver(imx8mm_icc_driver); +MODULE_AUTHOR("Alexandre Bailon "); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:imx8mm-interconnect"); diff --git a/drivers/interconnect/imx/imx8mn.c b/drivers/interconnect/imx/imx8mn.c new file mode 100644 index 000000000..8ce6d8e4b --- /dev/null +++ b/drivers/interconnect/imx/imx8mn.c @@ -0,0 +1,96 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Interconnect framework driver for i.MX8MN SoC + * + * Copyright (c) 2019-2020, NXP + */ + +#include +#include +#include + +#include "imx.h" + +static const struct imx_icc_node_adj_desc imx8mn_dram_adj = { + .bw_mul = 1, + .bw_div = 4, + .phandle_name = "fsl,ddrc", +}; + +static const struct imx_icc_node_adj_desc imx8mn_noc_adj = { + .bw_mul = 1, + .bw_div = 4, + .main_noc = true, +}; + +/* + * Describe bus masters, slaves and connections between them + * + * This is a simplified subset of the bus diagram, there are several other + * PL301 nics which are skipped/merged into PL301_MAIN + */ +static struct imx_icc_node_desc nodes[] = { + DEFINE_BUS_INTERCONNECT("NOC", IMX8MN_ICN_NOC, &imx8mn_noc_adj, + IMX8MN_ICS_DRAM, IMX8MN_ICN_MAIN), + + DEFINE_BUS_SLAVE("DRAM", IMX8MN_ICS_DRAM, &imx8mn_dram_adj), + DEFINE_BUS_SLAVE("OCRAM", IMX8MN_ICS_OCRAM, NULL), + DEFINE_BUS_MASTER("A53", IMX8MN_ICM_A53, IMX8MN_ICN_NOC), + + /* GPUMIX */ + DEFINE_BUS_MASTER("GPU", IMX8MN_ICM_GPU, IMX8MN_ICN_GPU), + DEFINE_BUS_INTERCONNECT("PL301_GPU", IMX8MN_ICN_GPU, NULL, IMX8MN_ICN_NOC), + + /* DISPLAYMIX */ + DEFINE_BUS_MASTER("CSI1", IMX8MN_ICM_CSI1, IMX8MN_ICN_MIPI), + DEFINE_BUS_MASTER("CSI2", IMX8MN_ICM_CSI2, IMX8MN_ICN_MIPI), + DEFINE_BUS_MASTER("ISI", IMX8MN_ICM_ISI, IMX8MN_ICN_MIPI), + DEFINE_BUS_MASTER("LCDIF", IMX8MN_ICM_LCDIF, IMX8MN_ICN_MIPI), + DEFINE_BUS_INTERCONNECT("PL301_MIPI", IMX8MN_ICN_MIPI, NULL, IMX8MN_ICN_NOC), + + /* USB goes straight to NOC */ + DEFINE_BUS_MASTER("USB", IMX8MN_ICM_USB, IMX8MN_ICN_NOC), + + /* Audio */ + DEFINE_BUS_MASTER("SDMA2", IMX8MN_ICM_SDMA2, IMX8MN_ICN_AUDIO), + DEFINE_BUS_MASTER("SDMA3", IMX8MN_ICM_SDMA3, IMX8MN_ICN_AUDIO), + DEFINE_BUS_INTERCONNECT("PL301_AUDIO", IMX8MN_ICN_AUDIO, NULL, IMX8MN_ICN_MAIN), + + /* Ethernet */ + DEFINE_BUS_MASTER("ENET", IMX8MN_ICM_ENET, IMX8MN_ICN_ENET), + DEFINE_BUS_INTERCONNECT("PL301_ENET", IMX8MN_ICN_ENET, NULL, IMX8MN_ICN_MAIN), + + /* Other */ + DEFINE_BUS_MASTER("SDMA1", IMX8MN_ICM_SDMA1, IMX8MN_ICN_MAIN), + DEFINE_BUS_MASTER("NAND", IMX8MN_ICM_NAND, IMX8MN_ICN_MAIN), + DEFINE_BUS_MASTER("USDHC1", IMX8MN_ICM_USDHC1, IMX8MN_ICN_MAIN), + DEFINE_BUS_MASTER("USDHC2", IMX8MN_ICM_USDHC2, IMX8MN_ICN_MAIN), + DEFINE_BUS_MASTER("USDHC3", IMX8MN_ICM_USDHC3, IMX8MN_ICN_MAIN), + DEFINE_BUS_INTERCONNECT("PL301_MAIN", IMX8MN_ICN_MAIN, NULL, + IMX8MN_ICN_NOC, IMX8MN_ICS_OCRAM), +}; + +static int imx8mn_icc_probe(struct platform_device *pdev) +{ + return imx_icc_register(pdev, nodes, ARRAY_SIZE(nodes), NULL); +} + +static int imx8mn_icc_remove(struct platform_device *pdev) +{ + imx_icc_unregister(pdev); + + return 0; +} + +static struct platform_driver imx8mn_icc_driver = { + .probe = imx8mn_icc_probe, + .remove = imx8mn_icc_remove, + .driver = { + .name = "imx8mn-interconnect", + }, +}; + +module_platform_driver(imx8mn_icc_driver); +MODULE_ALIAS("platform:imx8mn-interconnect"); +MODULE_AUTHOR("Leonard Crestez "); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/interconnect/imx/imx8mp.c b/drivers/interconnect/imx/imx8mp.c new file mode 100644 index 000000000..8bfaf173f --- /dev/null +++ b/drivers/interconnect/imx/imx8mp.c @@ -0,0 +1,261 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Interconnect framework driver for i.MX8MP SoC + * + * Copyright 2022 NXP + * Peng Fan + */ + +#include +#include +#include +#include + +#include "imx.h" + +static const struct imx_icc_node_adj_desc imx8mp_noc_adj = { + .bw_mul = 1, + .bw_div = 16, + .main_noc = true, +}; + +static struct imx_icc_noc_setting noc_setting_nodes[] = { + [IMX8MP_ICM_MLMIX] = { + .reg = 0x180, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 3, + }, + [IMX8MP_ICM_DSP] = { + .reg = 0x200, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 3, + }, + [IMX8MP_ICM_SDMA2PER] = { + .reg = 0x280, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 4, + }, + [IMX8MP_ICM_SDMA2BURST] = { + .reg = 0x300, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 4, + }, + [IMX8MP_ICM_SDMA3PER] = { + .reg = 0x380, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 4, + }, + [IMX8MP_ICM_SDMA3BURST] = { + .reg = 0x400, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 4, + }, + [IMX8MP_ICM_EDMA] = { + .reg = 0x480, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 4, + }, + [IMX8MP_ICM_GPU3D] = { + .reg = 0x500, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 3, + }, + [IMX8MP_ICM_GPU2D] = { + .reg = 0x580, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 3, + }, + [IMX8MP_ICM_HRV] = { + .reg = 0x600, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 2, + .ext_control = 1, + }, + [IMX8MP_ICM_LCDIF_HDMI] = { + .reg = 0x680, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 2, + .ext_control = 1, + }, + [IMX8MP_ICM_HDCP] = { + .reg = 0x700, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 5, + }, + [IMX8MP_ICM_NOC_PCIE] = { + .reg = 0x780, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 3, + }, + [IMX8MP_ICM_USB1] = { + .reg = 0x800, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 3, + }, + [IMX8MP_ICM_USB2] = { + .reg = 0x880, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 3, + }, + [IMX8MP_ICM_PCIE] = { + .reg = 0x900, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 3, + }, + [IMX8MP_ICM_LCDIF_RD] = { + .reg = 0x980, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 2, + .ext_control = 1, + }, + [IMX8MP_ICM_LCDIF_WR] = { + .reg = 0xa00, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 2, + .ext_control = 1, + }, + [IMX8MP_ICM_ISI0] = { + .reg = 0xa80, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 2, + .ext_control = 1, + }, + [IMX8MP_ICM_ISI1] = { + .reg = 0xb00, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 2, + .ext_control = 1, + }, + [IMX8MP_ICM_ISI2] = { + .reg = 0xb80, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 2, + .ext_control = 1, + }, + [IMX8MP_ICM_ISP0] = { + .reg = 0xc00, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 7, + }, + [IMX8MP_ICM_ISP1] = { + .reg = 0xc80, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 7, + }, + [IMX8MP_ICM_DWE] = { + .reg = 0xd00, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 7, + }, + [IMX8MP_ICM_VPU_G1] = { + .reg = 0xd80, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 3, + }, + [IMX8MP_ICM_VPU_G2] = { + .reg = 0xe00, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 3, + }, + [IMX8MP_ICM_VPU_H1] = { + .reg = 0xe80, + .mode = IMX_NOC_MODE_FIXED, + .prio_level = 3, + }, + [IMX8MP_ICN_MEDIA] = { + .mode = IMX_NOC_MODE_UNCONFIGURED, + }, + [IMX8MP_ICN_VIDEO] = { + .mode = IMX_NOC_MODE_UNCONFIGURED, + }, + [IMX8MP_ICN_AUDIO] = { + .mode = IMX_NOC_MODE_UNCONFIGURED, + }, + [IMX8MP_ICN_HDMI] = { + .mode = IMX_NOC_MODE_UNCONFIGURED, + }, + [IMX8MP_ICN_GPU] = { + .mode = IMX_NOC_MODE_UNCONFIGURED, + }, + [IMX8MP_ICN_HSIO] = { + .mode = IMX_NOC_MODE_UNCONFIGURED, + }, +}; + +/* Describe bus masters, slaves and connections between them */ +static struct imx_icc_node_desc nodes[] = { + DEFINE_BUS_INTERCONNECT("NOC", IMX8MP_ICN_NOC, &imx8mp_noc_adj, + IMX8MP_ICS_DRAM, IMX8MP_ICN_MAIN), + + DEFINE_BUS_SLAVE("OCRAM", IMX8MP_ICS_OCRAM, NULL), + DEFINE_BUS_SLAVE("DRAM", IMX8MP_ICS_DRAM, NULL), + DEFINE_BUS_MASTER("A53", IMX8MP_ICM_A53, IMX8MP_ICN_NOC), + DEFINE_BUS_MASTER("SUPERMIX", IMX8MP_ICM_SUPERMIX, IMX8MP_ICN_NOC), + DEFINE_BUS_MASTER("GIC", IMX8MP_ICM_GIC, IMX8MP_ICN_NOC), + DEFINE_BUS_MASTER("MLMIX", IMX8MP_ICM_MLMIX, IMX8MP_ICN_NOC), + + DEFINE_BUS_INTERCONNECT("NOC_AUDIO", IMX8MP_ICN_AUDIO, NULL, IMX8MP_ICN_NOC), + DEFINE_BUS_MASTER("DSP", IMX8MP_ICM_DSP, IMX8MP_ICN_AUDIO), + DEFINE_BUS_MASTER("SDMA2PER", IMX8MP_ICM_SDMA2PER, IMX8MP_ICN_AUDIO), + DEFINE_BUS_MASTER("SDMA2BURST", IMX8MP_ICM_SDMA2BURST, IMX8MP_ICN_AUDIO), + DEFINE_BUS_MASTER("SDMA3PER", IMX8MP_ICM_SDMA3PER, IMX8MP_ICN_AUDIO), + DEFINE_BUS_MASTER("SDMA3BURST", IMX8MP_ICM_SDMA3BURST, IMX8MP_ICN_AUDIO), + DEFINE_BUS_MASTER("EDMA", IMX8MP_ICM_EDMA, IMX8MP_ICN_AUDIO), + + DEFINE_BUS_INTERCONNECT("NOC_GPU", IMX8MP_ICN_GPU, NULL, IMX8MP_ICN_NOC), + DEFINE_BUS_MASTER("GPU 2D", IMX8MP_ICM_GPU2D, IMX8MP_ICN_GPU), + DEFINE_BUS_MASTER("GPU 3D", IMX8MP_ICM_GPU3D, IMX8MP_ICN_GPU), + + DEFINE_BUS_INTERCONNECT("NOC_HDMI", IMX8MP_ICN_HDMI, NULL, IMX8MP_ICN_NOC), + DEFINE_BUS_MASTER("HRV", IMX8MP_ICM_HRV, IMX8MP_ICN_HDMI), + DEFINE_BUS_MASTER("LCDIF_HDMI", IMX8MP_ICM_LCDIF_HDMI, IMX8MP_ICN_HDMI), + DEFINE_BUS_MASTER("HDCP", IMX8MP_ICM_HDCP, IMX8MP_ICN_HDMI), + + DEFINE_BUS_INTERCONNECT("NOC_HSIO", IMX8MP_ICN_HSIO, NULL, IMX8MP_ICN_NOC), + DEFINE_BUS_MASTER("NOC_PCIE", IMX8MP_ICM_NOC_PCIE, IMX8MP_ICN_HSIO), + DEFINE_BUS_MASTER("USB1", IMX8MP_ICM_USB1, IMX8MP_ICN_HSIO), + DEFINE_BUS_MASTER("USB2", IMX8MP_ICM_USB2, IMX8MP_ICN_HSIO), + DEFINE_BUS_MASTER("PCIE", IMX8MP_ICM_PCIE, IMX8MP_ICN_HSIO), + + DEFINE_BUS_INTERCONNECT("NOC_MEDIA", IMX8MP_ICN_MEDIA, NULL, IMX8MP_ICN_NOC), + DEFINE_BUS_MASTER("LCDIF_RD", IMX8MP_ICM_LCDIF_RD, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("LCDIF_WR", IMX8MP_ICM_LCDIF_WR, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("ISI0", IMX8MP_ICM_ISI0, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("ISI1", IMX8MP_ICM_ISI1, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("ISI2", IMX8MP_ICM_ISI2, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("ISP0", IMX8MP_ICM_ISP0, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("ISP1", IMX8MP_ICM_ISP1, IMX8MP_ICN_MEDIA), + DEFINE_BUS_MASTER("DWE", IMX8MP_ICM_DWE, IMX8MP_ICN_MEDIA), + + DEFINE_BUS_INTERCONNECT("NOC_VIDEO", IMX8MP_ICN_VIDEO, NULL, IMX8MP_ICN_NOC), + DEFINE_BUS_MASTER("VPU G1", IMX8MP_ICM_VPU_G1, IMX8MP_ICN_VIDEO), + DEFINE_BUS_MASTER("VPU G2", IMX8MP_ICM_VPU_G2, IMX8MP_ICN_VIDEO), + DEFINE_BUS_MASTER("VPU H1", IMX8MP_ICM_VPU_H1, IMX8MP_ICN_VIDEO), + DEFINE_BUS_INTERCONNECT("PL301_MAIN", IMX8MP_ICN_MAIN, NULL, + IMX8MP_ICN_NOC, IMX8MP_ICS_OCRAM), +}; + +static int imx8mp_icc_probe(struct platform_device *pdev) +{ + return imx_icc_register(pdev, nodes, ARRAY_SIZE(nodes), noc_setting_nodes); +} + +static int imx8mp_icc_remove(struct platform_device *pdev) +{ + imx_icc_unregister(pdev); + + return 0; +} + +static struct platform_driver imx8mp_icc_driver = { + .probe = imx8mp_icc_probe, + .remove = imx8mp_icc_remove, + .driver = { + .name = "imx8mp-interconnect", + }, +}; + +module_platform_driver(imx8mp_icc_driver); +MODULE_AUTHOR("Peng Fan "); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:imx8mp-interconnect"); diff --git a/drivers/interconnect/imx/imx8mq.c b/drivers/interconnect/imx/imx8mq.c new file mode 100644 index 000000000..b6fb71305 --- /dev/null +++ b/drivers/interconnect/imx/imx8mq.c @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Interconnect framework driver for i.MX8MQ SoC + * + * Copyright (c) 2019-2020, NXP + */ + +#include +#include +#include +#include + +#include "imx.h" + +static const struct imx_icc_node_adj_desc imx8mq_dram_adj = { + .bw_mul = 1, + .bw_div = 4, + .phandle_name = "fsl,ddrc", +}; + +static const struct imx_icc_node_adj_desc imx8mq_noc_adj = { + .bw_mul = 1, + .bw_div = 4, + .main_noc = true, +}; + +/* + * Describe bus masters, slaves and connections between them + * + * This is a simplified subset of the bus diagram, there are several other + * PL301 nics which are skipped/merged into PL301_MAIN + */ +static struct imx_icc_node_desc nodes[] = { + DEFINE_BUS_INTERCONNECT("NOC", IMX8MQ_ICN_NOC, &imx8mq_noc_adj, + IMX8MQ_ICS_DRAM, IMX8MQ_ICN_MAIN), + + DEFINE_BUS_SLAVE("DRAM", IMX8MQ_ICS_DRAM, &imx8mq_dram_adj), + DEFINE_BUS_SLAVE("OCRAM", IMX8MQ_ICS_OCRAM, NULL), + DEFINE_BUS_MASTER("A53", IMX8MQ_ICM_A53, IMX8MQ_ICN_NOC), + + /* VPUMIX */ + DEFINE_BUS_MASTER("VPU", IMX8MQ_ICM_VPU, IMX8MQ_ICN_VIDEO), + DEFINE_BUS_INTERCONNECT("PL301_VIDEO", IMX8MQ_ICN_VIDEO, NULL, IMX8MQ_ICN_NOC), + + /* GPUMIX */ + DEFINE_BUS_MASTER("GPU", IMX8MQ_ICM_GPU, IMX8MQ_ICN_GPU), + DEFINE_BUS_INTERCONNECT("PL301_GPU", IMX8MQ_ICN_GPU, NULL, IMX8MQ_ICN_NOC), + + /* DISPMIX (only for DCSS) */ + DEFINE_BUS_MASTER("DC", IMX8MQ_ICM_DCSS, IMX8MQ_ICN_DCSS), + DEFINE_BUS_INTERCONNECT("PL301_DC", IMX8MQ_ICN_DCSS, NULL, IMX8MQ_ICN_NOC), + + /* USBMIX */ + DEFINE_BUS_MASTER("USB1", IMX8MQ_ICM_USB1, IMX8MQ_ICN_USB), + DEFINE_BUS_MASTER("USB2", IMX8MQ_ICM_USB2, IMX8MQ_ICN_USB), + DEFINE_BUS_INTERCONNECT("PL301_USB", IMX8MQ_ICN_USB, NULL, IMX8MQ_ICN_NOC), + + /* PL301_DISPLAY (IPs other than DCSS, inside SUPERMIX) */ + DEFINE_BUS_MASTER("CSI1", IMX8MQ_ICM_CSI1, IMX8MQ_ICN_DISPLAY), + DEFINE_BUS_MASTER("CSI2", IMX8MQ_ICM_CSI2, IMX8MQ_ICN_DISPLAY), + DEFINE_BUS_MASTER("LCDIF", IMX8MQ_ICM_LCDIF, IMX8MQ_ICN_DISPLAY), + DEFINE_BUS_INTERCONNECT("PL301_DISPLAY", IMX8MQ_ICN_DISPLAY, NULL, IMX8MQ_ICN_MAIN), + + /* AUDIO */ + DEFINE_BUS_MASTER("SDMA2", IMX8MQ_ICM_SDMA2, IMX8MQ_ICN_AUDIO), + DEFINE_BUS_INTERCONNECT("PL301_AUDIO", IMX8MQ_ICN_AUDIO, NULL, IMX8MQ_ICN_DISPLAY), + + /* ENET */ + DEFINE_BUS_MASTER("ENET", IMX8MQ_ICM_ENET, IMX8MQ_ICN_ENET), + DEFINE_BUS_INTERCONNECT("PL301_ENET", IMX8MQ_ICN_ENET, NULL, IMX8MQ_ICN_MAIN), + + /* OTHER */ + DEFINE_BUS_MASTER("SDMA1", IMX8MQ_ICM_SDMA1, IMX8MQ_ICN_MAIN), + DEFINE_BUS_MASTER("NAND", IMX8MQ_ICM_NAND, IMX8MQ_ICN_MAIN), + DEFINE_BUS_MASTER("USDHC1", IMX8MQ_ICM_USDHC1, IMX8MQ_ICN_MAIN), + DEFINE_BUS_MASTER("USDHC2", IMX8MQ_ICM_USDHC2, IMX8MQ_ICN_MAIN), + DEFINE_BUS_MASTER("PCIE1", IMX8MQ_ICM_PCIE1, IMX8MQ_ICN_MAIN), + DEFINE_BUS_MASTER("PCIE2", IMX8MQ_ICM_PCIE2, IMX8MQ_ICN_MAIN), + DEFINE_BUS_INTERCONNECT("PL301_MAIN", IMX8MQ_ICN_MAIN, NULL, + IMX8MQ_ICN_NOC, IMX8MQ_ICS_OCRAM), +}; + +static int imx8mq_icc_probe(struct platform_device *pdev) +{ + return imx_icc_register(pdev, nodes, ARRAY_SIZE(nodes), NULL); +} + +static int imx8mq_icc_remove(struct platform_device *pdev) +{ + imx_icc_unregister(pdev); + + return 0; +} + +static struct platform_driver imx8mq_icc_driver = { + .probe = imx8mq_icc_probe, + .remove = imx8mq_icc_remove, + .driver = { + .name = "imx8mq-interconnect", + .sync_state = icc_sync_state, + }, +}; + +module_platform_driver(imx8mq_icc_driver); +MODULE_ALIAS("platform:imx8mq-interconnect"); +MODULE_AUTHOR("Leonard Crestez "); +MODULE_LICENSE("GPL v2"); -- cgit v1.2.3