On 01/22/2013 07:08 PM, Josh Cartwright wrote: > On Wed, Jan 09, 2013 at 07:12:00PM +0100, Lars-Peter Clausen wrote: >> This driver adds support for the AXI clkgen pcore to the common clock >> framework. >> The AXI clkgen pcore is a AXI front-end to the MMCM_ADV frequency synthesizer >> commonly found in Xilinx FPGAs. >> >> The AXI clkgen pcore is used in Analog Devices' reference designs targeting >> Xilinx FPGAs. >> >> Signed-off-by: Lars-Peter Clausen <[email protected]> >> --- >> .../devicetree/bindings/clock/axi-clkgen.txt | 22 ++ >> drivers/clk/Kconfig | 8 + >> drivers/clk/Makefile | 1 + >> drivers/clk/clk-axi-clkgen.c | 326 >> +++++++++++++++++++++ >> 4 files changed, 357 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/clock/axi-clkgen.txt >> create mode 100644 drivers/clk/clk-axi-clkgen.c >> > [..] >> diff --git a/drivers/clk/clk-axi-clkgen.c b/drivers/clk/clk-axi-clkgen.c >> new file mode 100644 >> index 0000000..e9db225 >> --- /dev/null >> +++ b/drivers/clk/clk-axi-clkgen.c >> @@ -0,0 +1,326 @@ >> +/* >> + * AXI clkgen driver >> + * >> + * Copyright 2012-2013 Analog Device Inc. >> + * Author: Lars-Peter Clausen <[email protected]> >> + * >> + * Licensed under the GPL-2. >> + * >> + */ >> + >> +#include <linux/platform_device.h> >> +#include <linux/clk-provider.h> >> +#include <linux/clk.h> >> +#include <linux/slab.h> >> +#include <linux/io.h> >> +#include <linux/of.h> >> +#include <linux/module.h> >> +#include <linux/err.h> >> + >> +#define AXI_CLKGEN_REG_UPDATE_ENABLE 0x04 >> +#define AXI_CLKGEN_REG_CLK_OUT1 0x08 >> +#define AXI_CLKGEN_REG_CLK_OUT2 0x0c >> +#define AXI_CLKGEN_REG_CLK_DIV 0x10 >> +#define AXI_CLKGEN_REG_CLK_FB1 0x14 >> +#define AXI_CLKGEN_REG_CLK_FB2 0x18 >> +#define AXI_CLKGEN_REG_LOCK1 0x1c >> +#define AXI_CLKGEN_REG_LOCK2 0x20 >> +#define AXI_CLKGEN_REG_LOCK3 0x24 >> +#define AXI_CLKGEN_REG_FILTER1 0x28 >> +#define AXI_CLKGEN_REG_FILTER2 0x2c >> + >> +struct axi_clkgen { >> + void __iomem *base; >> + struct clk_hw clk_hw; >> +}; >> + >> +static uint32_t axi_clkgen_lookup_filter(unsigned int m) >> +{ >> + switch (m) { >> + case 0: >> + return 0x01001990; >> + case 1: >> + return 0x01001190; >> + case 2: >> + return 0x01009890; >> + case 3: >> + return 0x01001890; >> + case 4: >> + return 0x01008890; >> + case 5 ... 8: >> + return 0x01009090; >> + case 9 ... 11: >> + return 0x0100890; > > Just checking to ensure this ^ entry is correct, since it looks > different then the others (it may very well be).
Nice catch, it's wrong indeed. Thanks - Lars -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
