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soc: microchip: mpfs-sys-controller: add support for pic64gx

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pic64gx is not compatible with mpfs because due to the lack of FPGA
functionality some features are disabled. Notably, anything to do with
FPGA fabric contents is not supported.

Signed-off-by: Pierre-Henry Moussay <pierre-henry.moussay@microchip.com>
Signed-off-by: Conor Dooley <conor.dooley@microchip.com>
This commit is contained in:
Pierre-Henry Moussay 2025-11-17 14:21:22 +00:00 committed by Conor Dooley
parent ecc09da7ba
commit 63b5305ad8
1 changed files with 54 additions and 20 deletions
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74
drivers/soc/microchip/mpfs-sys-controller.c
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@ -36,6 +36,11 @@ struct mpfs_sys_controller {
struct kref consumers;
};
struct mpfs_syscon_config {
unsigned int nb_subdevs;
struct platform_device *subdevs;
};
int mpfs_blocking_transaction(struct mpfs_sys_controller *sys_controller, struct mpfs_mss_msg *msg)
{
unsigned long timeout = msecs_to_jiffies(MPFS_SYS_CTRL_TIMEOUT_MS);
@ -110,25 +115,11 @@ struct mtd_info *mpfs_sys_controller_get_flash(struct mpfs_sys_controller *mpfs_
}
EXPORT_SYMBOL(mpfs_sys_controller_get_flash);
static struct platform_device subdevs[] = {
{
.name = "mpfs-rng",
.id = -1,
},
{
.name = "mpfs-generic-service",
.id = -1,
},
{
.name = "mpfs-auto-update",
.id = -1,
},
};
static int mpfs_sys_controller_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct mpfs_sys_controller *sys_controller;
struct mpfs_syscon_config *of_data;
struct device_node *np;
int i, ret;
@ -164,11 +155,17 @@ static int mpfs_sys_controller_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, sys_controller);
of_data = (struct mpfs_syscon_config *) device_get_match_data(dev);
if (!of_data) {
dev_err(dev, "Error getting match data\n");
return -EINVAL;
}
for (i = 0; i < ARRAY_SIZE(subdevs); i++) {
subdevs[i].dev.parent = dev;
if (platform_device_register(&subdevs[i]))
dev_warn(dev, "Error registering sub device %s\n", subdevs[i].name);
for (i = 0; i < of_data->nb_subdevs; i++) {
of_data->subdevs[i].dev.parent = dev;
if (platform_device_register(&of_data->subdevs[i]))
dev_warn(dev, "Error registering sub device %s\n",
of_data->subdevs[i].name);
}
dev_info(&pdev->dev, "Registered MPFS system controller\n");
@ -183,8 +180,45 @@ static void mpfs_sys_controller_remove(struct platform_device *pdev)
mpfs_sys_controller_put(sys_controller);
}
static struct platform_device mpfs_subdevs[] = {
{
.name = "mpfs-rng",
.id = -1,
},
{
.name = "mpfs-generic-service",
.id = -1,
},
{
.name = "mpfs-auto-update",
.id = -1,
},
};
static struct platform_device pic64gx_subdevs[] = {
{
.name = "mpfs-rng",
.id = -1,
},
{
.name = "mpfs-generic-service",
.id = -1,
},
};
static const struct mpfs_syscon_config mpfs_config = {
.nb_subdevs = ARRAY_SIZE(mpfs_subdevs),
.subdevs = mpfs_subdevs,
};
static const struct mpfs_syscon_config pic64gx_config = {
.nb_subdevs = ARRAY_SIZE(pic64gx_subdevs),
.subdevs = pic64gx_subdevs,
};
static const struct of_device_id mpfs_sys_controller_of_match[] = {
{.compatible = "microchip,mpfs-sys-controller", },
{.compatible = "microchip,mpfs-sys-controller", .data = &mpfs_config},
{.compatible = "microchip,pic64gx-sys-controller", .data = &pic64gx_config},
{},
};
MODULE_DEVICE_TABLE(of, mpfs_sys_controller_of_match);