[U-Boot] [i.MX8MM+CCF 05/41] clk-provider: sync more clk flags from Linux Kernel

Peng Fan
2019-04-30T10:17:47Z

Sync more clk flags that might be used in U-Boot CCF.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
---
include/linux/clk-provider.h | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)

diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h
index eac045c5f8..3458746a60 100644
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@@ -9,8 +9,29 @@
#ifndef __LINUX_CLK_PROVIDER_H
#define __LINUX_CLK_PROVIDER_H

+/*
+ * flags used across common struct clk. these flags should only affect the
+ * top-level framework. custom flags for dealing with hardware specifics
+ * belong in struct clk_foo
+ *
+ * Please update clk_flags[] in drivers/clk/clk.c when making changes here!
+ */
+#define CLK_SET_RATE_GATE BIT(0) /* must be gated across rate change */
+#define CLK_SET_PARENT_GATE BIT(1) /* must be gated across re-parent */
#define CLK_SET_RATE_PARENT BIT(2) /* propagate rate change up one level */
+#define CLK_IGNORE_UNUSED BIT(3) /* do not gate even if unused */
+ /* unused */
+#define CLK_IS_BASIC BIT(5) /* Basic clk, can't do a to_clk_foo() */
+#define CLK_GET_RATE_NOCACHE BIT(6) /* do not use the cached clk rate */
#define CLK_SET_RATE_NO_REPARENT BIT(7) /* don't re-parent on rate change */
+#define CLK_GET_ACCURACY_NOCACHE BIT(8) /* do not use the cached clk accuracy */
+#define CLK_RECALC_NEW_RATES BIT(9) /* recalc rates after notifications */
+#define CLK_SET_RATE_UNGATE BIT(10) /* clock needs to run to set rate */
+#define CLK_IS_CRITICAL BIT(11) /* do not gate, ever */
+/* parents need enable during gate/ungate, set rate and re-parent */
+#define CLK_OPS_PARENT_ENABLE BIT(12)
+/* duty cycle call may be forwarded to the parent clock */
+#define CLK_DUTY_CYCLE_PARENT BIT(13)

#define CLK_MUX_INDEX_ONE BIT(0)
#define CLK_MUX_INDEX_BIT BIT(1)
--
2.16.4