From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-mmp/clock.h | 70 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 arch/arm/mach-mmp/clock.h (limited to 'arch/arm/mach-mmp/clock.h') diff --git a/arch/arm/mach-mmp/clock.h b/arch/arm/mach-mmp/clock.h new file mode 100644 index 00000000..9b027d74 --- /dev/null +++ b/arch/arm/mach-mmp/clock.h @@ -0,0 +1,70 @@ +/* + * linux/arch/arm/mach-mmp/clock.h + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include + +struct clkops { + void (*enable)(struct clk *); + void (*disable)(struct clk *); + unsigned long (*getrate)(struct clk *); +}; + +struct clk { + const struct clkops *ops; + + void __iomem *clk_rst; /* clock reset control register */ + int fnclksel; /* functional clock select (APBC) */ + uint32_t enable_val; /* value for clock enable (APMU) */ + unsigned long rate; + int enabled; +}; + +extern struct clkops apbc_clk_ops; +extern struct clkops apmu_clk_ops; + +#define APBC_CLK(_name, _reg, _fnclksel, _rate) \ +struct clk clk_##_name = { \ + .clk_rst = (void __iomem *)APBC_##_reg, \ + .fnclksel = _fnclksel, \ + .rate = _rate, \ + .ops = &apbc_clk_ops, \ +} + +#define APBC_CLK_OPS(_name, _reg, _fnclksel, _rate, _ops) \ +struct clk clk_##_name = { \ + .clk_rst = (void __iomem *)APBC_##_reg, \ + .fnclksel = _fnclksel, \ + .rate = _rate, \ + .ops = _ops, \ +} + +#define APMU_CLK(_name, _reg, _eval, _rate) \ +struct clk clk_##_name = { \ + .clk_rst = (void __iomem *)APMU_##_reg, \ + .enable_val = _eval, \ + .rate = _rate, \ + .ops = &apmu_clk_ops, \ +} + +#define APMU_CLK_OPS(_name, _reg, _eval, _rate, _ops) \ +struct clk clk_##_name = { \ + .clk_rst = (void __iomem *)APMU_##_reg, \ + .enable_val = _eval, \ + .rate = _rate, \ + .ops = _ops, \ +} + +#define INIT_CLKREG(_clk, _devname, _conname) \ + { \ + .clk = _clk, \ + .dev_id = _devname, \ + .con_id = _conname, \ + } + +extern struct clk clk_pxa168_gpio; +extern struct clk clk_pxa168_timers; -- cgit v1.2.3