prci: fix up compat
Add two additional compat strings that can be used to identify the PRCI. With newer device trees the PRCI has two parents, hfclk and rtcclk, so allow the driver to attach when more than one parent is found. Reviewed by: kp Differential Revision: https://reviews.freebsd.org/D23405
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=357370
@ -52,6 +52,13 @@ __FBSDID("$FreeBSD$");
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#include <gnu/dts/include/dt-bindings/clock/sifive-fu540-prci.h>
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static struct ofw_compat_data compat_data[] = {
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{ "sifive,aloeprci0", 1 },
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{ "sifive,ux00prci0", 1 },
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{ "sifive,fu540-c000-prci", 1 },
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{ NULL, 0 },
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};
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static struct resource_spec prci_spec[] = {
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{ SYS_RES_MEMORY, 0, RF_ACTIVE },
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RESOURCE_SPEC_END
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@ -177,7 +184,7 @@ prci_probe(device_t dev)
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if (!ofw_bus_status_okay(dev))
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return (ENXIO);
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if (!ofw_bus_is_compatible(dev, "sifive,aloeprci0"))
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if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)
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return (ENXIO);
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device_set_desc(dev, "SiFive FU540 Power Reset Clocking Interrupt");
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@ -229,7 +236,7 @@ prci_attach(device_t dev)
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node = ofw_bus_get_node(dev);
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error = ofw_bus_parse_xref_list_get_length(node, "clocks",
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"#clock-cells", &ncells);
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if (error != 0 || ncells != 1) {
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if (error != 0 || ncells < 1) {
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device_printf(dev, "couldn't find parent clock\n");
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goto fail;
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}
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