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Diffstat (limited to 'arch/arm/mach-s5p6440/include/mach/pwm-clock.h')
-rw-r--r--arch/arm/mach-s5p6440/include/mach/pwm-clock.h24
1 files changed, 16 insertions, 8 deletions
diff --git a/arch/arm/mach-s5p6440/include/mach/pwm-clock.h b/arch/arm/mach-s5p6440/include/mach/pwm-clock.h
index c4bb7c555477..6a2a02fdf12a 100644
--- a/arch/arm/mach-s5p6440/include/mach/pwm-clock.h
+++ b/arch/arm/mach-s5p6440/include/mach/pwm-clock.h
@@ -1,11 +1,14 @@
1/* linux/arch/arm/mach-s5p6440/include/mach/pwm-clock.h 1/* linux/arch/arm/mach-s5p6440/include/mach/pwm-clock.h
2 * 2 *
3 * Copyright (c) 2009 Samsung Electronics Co., Ltd.
4 * http://www.samsung.com/
5 *
6 * Copyright 2008 Openmoko, Inc.
3 * Copyright 2008 Simtec Electronics 7 * Copyright 2008 Simtec Electronics
4 * Ben Dooks <ben@simtec.co.uk> 8 * Ben Dooks <ben@simtec.co.uk>
5 * http://armlinux.simtec.co.uk/ 9 * http://armlinux.simtec.co.uk/
6 * 10 *
7 * Copyright 2009 Samsung Electronics Co., Ltd. 11 * Based on arch/arm/mach-s3c64xx/include/mach/pwm-clock.h
8 * http://www.samsung.com/
9 * 12 *
10 * S5P6440 - pwm clock and timer support 13 * S5P6440 - pwm clock and timer support
11 * 14 *
@@ -14,16 +17,19 @@
14 * published by the Free Software Foundation. 17 * published by the Free Software Foundation.
15*/ 18*/
16 19
20#ifndef __ASM_ARCH_PWMCLK_H
21#define __ASM_ARCH_PWMCLK_H __FILE__
22
17/** 23/**
18 * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk 24 * pwm_cfg_src_is_tclk() - return whether the given mux config is a tclk
19 * @cfg: The timer TCFG1 register bits shifted down to 0. 25 * @tcfg: The timer TCFG1 register bits shifted down to 0.
20 * 26 *
21 * Return true if the given configuration from TCFG1 is a TCLK instead 27 * Return true if the given configuration from TCFG1 is a TCLK instead
22 * any of the TDIV clocks. 28 * any of the TDIV clocks.
23 */ 29 */
24static inline int pwm_cfg_src_is_tclk(unsigned long tcfg) 30static inline int pwm_cfg_src_is_tclk(unsigned long tcfg)
25{ 31{
26 return tcfg == S3C2410_TCFG1_MUX_TCLK; 32 return 0;
27} 33}
28 34
29/** 35/**
@@ -35,7 +41,7 @@ static inline int pwm_cfg_src_is_tclk(unsigned long tcfg)
35 */ 41 */
36static inline unsigned long tcfg_to_divisor(unsigned long tcfg1) 42static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
37{ 43{
38 return 1 << (1 + tcfg1); 44 return 1 << tcfg1;
39} 45}
40 46
41/** 47/**
@@ -45,7 +51,7 @@ static inline unsigned long tcfg_to_divisor(unsigned long tcfg1)
45 */ 51 */
46static inline unsigned int pwm_tdiv_has_div1(void) 52static inline unsigned int pwm_tdiv_has_div1(void)
47{ 53{
48 return 0; 54 return 1;
49} 55}
50 56
51/** 57/**
@@ -56,7 +62,9 @@ static inline unsigned int pwm_tdiv_has_div1(void)
56 */ 62 */
57static inline unsigned long pwm_tdiv_div_bits(unsigned int div) 63static inline unsigned long pwm_tdiv_div_bits(unsigned int div)
58{ 64{
59 return ilog2(div) - 1; 65 return ilog2(div);
60} 66}
61 67
62#define S3C_TCFG1_MUX_TCLK S3C2410_TCFG1_MUX_TCLK 68#define S3C_TCFG1_MUX_TCLK 0
69
70#endif /* __ASM_ARCH_PWMCLK_H */