diff options
Diffstat (limited to 'drivers/interconnect/imx/imx8mp.c')
| -rw-r--r-- | drivers/interconnect/imx/imx8mp.c | 259 |
1 files changed, 259 insertions, 0 deletions
diff --git a/drivers/interconnect/imx/imx8mp.c b/drivers/interconnect/imx/imx8mp.c new file mode 100644 index 000000000000..5f1c83ed157b --- /dev/null +++ b/drivers/interconnect/imx/imx8mp.c @@ -0,0 +1,259 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Interconnect framework driver for i.MX8MP SoC + * + * Copyright 2022 NXP + * Peng Fan <peng.fan@nxp.com> + */ + +#include <linux/module.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> +#include <dt-bindings/interconnect/fsl,imx8mp.h> + +#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) +{ + return imx_icc_unregister(pdev); +} + +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 <peng.fan@nxp.com>"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:imx8mp-interconnect"); |