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authorAnup Patel <apatel@ventanamicro.com>2024-08-07 10:47:18 +0530
committerAnup Patel <anup@brainfault.org>2024-12-06 09:26:45 +0530
commit54e632b72e80101cf733c47ad1c419d23a8b78e7 (patch)
treec4e1728b41cb62f10ba733a3141697e35e1ff290 /lib/utils/cppc/fdt_cppc.c
parent33ee9b8240fee298ddd357a68096652286024670 (diff)
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lib: utils: Add simple FDT based CPPC driver framework
The generic platform can have multiple CPPC drivers so add a simple FDT based CPPC driver framework. Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Diffstat (limited to 'lib/utils/cppc/fdt_cppc.c')
-rw-r--r--lib/utils/cppc/fdt_cppc.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/utils/cppc/fdt_cppc.c b/lib/utils/cppc/fdt_cppc.c
new file mode 100644
index 0000000..0e1ecb2
--- /dev/null
+++ b/lib/utils/cppc/fdt_cppc.c
@@ -0,0 +1,22 @@
+/*
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
+ * Copyright (c) 2024 Ventana Micro Systems Inc.
+ *
+ * Authors:
+ * Anup Patel <apatel@ventanamicro.com>
+ */
+
+#include <sbi_utils/cppc/fdt_cppc.h>
+
+/* List of FDT CPPC drivers generated at compile time */
+extern const struct fdt_driver *const fdt_cppc_drivers[];
+
+void fdt_cppc_init(const void *fdt)
+{
+ /*
+ * Platforms might have multiple CPPC devices or might
+ * not have any so probe all and don't fail.
+ */
+ fdt_driver_init_all(fdt, fdt_cppc_drivers);
+}