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authorTomasz Figa <tomasz.figa@gmail.com>2013-07-23 03:49:18 +0400
committerMike Turquette <mturquette@linaro.org>2013-08-05 22:56:46 +0400
commitc57acd14ac2d53e40f5c17701c3cc3a092a07b35 (patch)
treef26fc4f7c7449f3ccfb2e36090561adbf0504bd2 /include/linux/clk-provider.h
parent3b2f64d00c46e1e4e9bd0bb9bb12619adac27a4b (diff)
downloadlinux-c57acd14ac2d53e40f5c17701c3cc3a092a07b35.tar.xz
clk: mux: Add support for read-only muxes.
Some platforms have read-only clock muxes that are preconfigured at reset and cannot be changed at runtime. This patch extends mux clock driver to allow handling such read-only muxes by adding new CLK_MUX_READ_ONLY mux flag. Signed-off-by: Tomasz Figa <tomasz.figa@gmail.com> Signed-off-by: Mike Turquette <mturquette@linaro.org>
Diffstat (limited to 'include/linux/clk-provider.h')
-rw-r--r--include/linux/clk-provider.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index 1ec14a732176..9487b96939e8 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -327,8 +327,10 @@ struct clk_mux {
#define CLK_MUX_INDEX_ONE BIT(0)
#define CLK_MUX_INDEX_BIT BIT(1)
#define CLK_MUX_HIWORD_MASK BIT(2)
+#define CLK_MUX_READ_ONLY BIT(3) /* mux setting cannot be changed */
extern const struct clk_ops clk_mux_ops;
+extern const struct clk_ops clk_mux_ro_ops;
struct clk *clk_register_mux(struct device *dev, const char *name,
const char **parent_names, u8 num_parents, unsigned long flags,