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plat/allwinner: do not setup 'disabled' regulators

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If a PMIC regulator has its DT node disabled, leave the regulator off.

Change-Id: I895f740328e8f11d485829c3a89a9b9f8e5644be
Signed-off-by: Roman Beranek <roman.beranek@prusa3d.com>
This commit is contained in:
Roman Beranek 2021-03-15 08:52:17 +01:00
parent 5491208afa
commit 9655a1f54b
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GPG key ID: F6A2DA578A259B18
1 changed files with 17 additions and 2 deletions
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19
drivers/allwinner/axp/common.c
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@ -96,12 +96,27 @@ static int setup_regulator(const void *fdt, int node,
return 0;
}
static bool is_node_disabled(const void *fdt, int node)
{
const char *cell;
cell = fdt_getprop(fdt, node, "status", NULL);
if (cell == NULL) {
return false;
}
return strcmp(cell, "okay") != 0;
}
static bool should_enable_regulator(const void *fdt, int node)
{
if (fdt_getprop(fdt, node, "phandle", NULL) != NULL)
if (is_node_disabled(fdt, node)) {
return false;
}
if (fdt_getprop(fdt, node, "phandle", NULL) != NULL) {
return true;
if (fdt_getprop(fdt, node, "regulator-always-on", NULL) != NULL)
}
if (fdt_getprop(fdt, node, "regulator-always-on", NULL) != NULL) {
return true;
}
return false;
}