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authorPhil Elwell <phil@raspberrypi.com>2026-03-07 00:41:21 +0100
committerLee Jones <lee@kernel.org>2026-03-25 12:45:45 +0000
commitfe0e422cbcf4b7ee35cacc463631092b310a6f6a (patch)
treeb4c47c606321d4a4c90e9173a1b8cbf93dc6e9f0 /drivers/mfd/bcm2835-pm.c
parentc7be85a3cd5c918b0fe8977b3f2ac410eb212a0f (diff)
mfd: bcm2835-pm: Introduce SoC-specific type identifier
Power management blocks across the BCM2835 family share a common base but require variant-specific handling. For instance, the BCM2712 lacks ASB register space, yet it manages the power domain for the V3D graphics block. Add a hardware type identifier to the driver's private data. This allows the driver to distinguish between SoC models and implement custom quirks or features as needed. Signed-off-by: Phil Elwell <phil@raspberrypi.com> Co-developed-by: Stanimir Varbanov <svarbanov@suse.de> Signed-off-by: Stanimir Varbanov <svarbanov@suse.de> Signed-off-by: Andrea della Porta <andrea.porta@suse.com> Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com> Link: https://patch.msgid.link/c4bb218654e91f312a01b419d3d408e5131f7673.1772839224.git.andrea.porta@suse.com Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/mfd/bcm2835-pm.c')
-rw-r--r--drivers/mfd/bcm2835-pm.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/mfd/bcm2835-pm.c b/drivers/mfd/bcm2835-pm.c
index 8bed59816e82..2d5dc521b623 100644
--- a/drivers/mfd/bcm2835-pm.c
+++ b/drivers/mfd/bcm2835-pm.c
@@ -81,6 +81,7 @@ static int bcm2835_pm_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, pm);
pm->dev = dev;
+ pm->soc = (uintptr_t)device_get_match_data(dev);
ret = bcm2835_pm_get_pdata(pdev, pm);
if (ret)
@@ -106,9 +107,9 @@ static int bcm2835_pm_probe(struct platform_device *pdev)
static const struct of_device_id bcm2835_pm_of_match[] = {
{ .compatible = "brcm,bcm2835-pm-wdt", },
- { .compatible = "brcm,bcm2835-pm", },
- { .compatible = "brcm,bcm2711-pm", },
- { .compatible = "brcm,bcm2712-pm", },
+ { .compatible = "brcm,bcm2835-pm", .data = (void *)BCM2835_PM_SOC_BCM2835 },
+ { .compatible = "brcm,bcm2711-pm", .data = (void *)BCM2835_PM_SOC_BCM2711 },
+ { .compatible = "brcm,bcm2712-pm", .data = (void *)BCM2835_PM_SOC_BCM2712 },
{},
};
MODULE_DEVICE_TABLE(of, bcm2835_pm_of_match);