Commit c14ec5c9 authored by Peng Fan's avatar Peng Fan Committed by Georgi Djakov
Browse files

interconnect: imx: Add platform driver for imx8mp 



Add a platform driver for the i.MX8MP SoC describing bus topology, based
on internal documentation.

Signed-off-by: default avatarPeng Fan <peng.fan@nxp.com>
Link: https://lore.kernel.org/r/20220703091132.1412063-9-peng.fan@oss.nxp.com


Signed-off-by: default avatarGeorgi Djakov <djakov@kernel.org>
parent 7980d85a

drivers/interconnect/imx/Kconfig

+4 −0
Original line number Diff line number Diff line
@@ -15,3 +15,7 @@ config INTERCONNECT_IMX8MN 
config INTERCONNECT_IMX8MQ

	tristate "i.MX8MQ interconnect driver"

	depends on INTERCONNECT_IMX



config INTERCONNECT_IMX8MP

	tristate "i.MX8MP interconnect driver"

	depends on INTERCONNECT_IMX

drivers/interconnect/imx/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -2,8 +2,10 @@ 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

drivers/interconnect/imx/imx8mp.c

0 → 100644
+259 −0
Original line number Diff line number Diff line 
// 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");