diff options
| author |   Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 12:17:53 -0700 |
|---|---|---|
| committer | Yunhong Jiang <yunhong.jiang@intel.com> | 2015-08-04 15:44:42 -0700 |
| commit | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (patch) | |
| tree | 1c9cafbcd35f783a87880a10f85d1a060db1a563 /kernel/drivers/clk/qcom/clk-branch.h | |
| parent | 98260f3884f4a202f9ca5eabed40b1354c489b29 (diff) | |
Add the rt linux 4.1.3-rt3 as base
Import the rt linux 4.1.3-rt3 as OPNFV kvm base.
It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:
commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: Sat Jul 25 12:13:34 2015 +0200
Prepare v4.1.3-rt3
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.
Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>
Diffstat (limited to 'kernel/drivers/clk/qcom/clk-branch.h')
| -rw-r--r-- | kernel/drivers/clk/qcom/clk-branch.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/kernel/drivers/clk/qcom/clk-branch.h b/kernel/drivers/clk/qcom/clk-branch.h new file mode 100644 index 000000000..284df3f3c --- /dev/null +++ b/kernel/drivers/clk/qcom/clk-branch.h @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2013, The Linux Foundation. All rights reserved. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __QCOM_CLK_BRANCH_H__ +#define __QCOM_CLK_BRANCH_H__ + +#include <linux/clk-provider.h> + +#include "clk-regmap.h" + +/** + * struct clk_branch - gating clock with status bit and dynamic hardware gating + * + * @hwcg_reg: dynamic hardware clock gating register + * @hwcg_bit: ORed with @hwcg_reg to enable dynamic hardware clock gating + * @halt_reg: halt register + * @halt_bit: ANDed with @halt_reg to test for clock halted + * @halt_check: type of halt checking to perform + * @clkr: handle between common and hardware-specific interfaces + * + * Clock which can gate its output. + */ +struct clk_branch { + u32 hwcg_reg; + u32 halt_reg; + u8 hwcg_bit; + u8 halt_bit; + u8 halt_check; +#define BRANCH_VOTED BIT(7) /* Delay on disable */ +#define BRANCH_HALT 0 /* pol: 1 = halt */ +#define BRANCH_HALT_VOTED (BRANCH_HALT | BRANCH_VOTED) +#define BRANCH_HALT_ENABLE 1 /* pol: 0 = halt */ +#define BRANCH_HALT_ENABLE_VOTED (BRANCH_HALT_ENABLE | BRANCH_VOTED) +#define BRANCH_HALT_DELAY 2 /* No bit to check; just delay */ + + struct clk_regmap clkr; +}; + +extern const struct clk_ops clk_branch_ops; +extern const struct clk_ops clk_branch2_ops; +extern const struct clk_ops clk_branch_simple_ops; + +#define to_clk_branch(_hw) \ + container_of(to_clk_regmap(_hw), struct clk_branch, clkr) + +#endif |