On Wed, Mar 16, 2011 at 11:51:38PM +0800, Jason Liu wrote: > Signed-off-by: Jason Liu <jason....@linaro.org> > --- > arch/arm/mach-mx5/Kconfig | 8 ++++ > arch/arm/mach-mx5/Makefile | 1 + > arch/arm/mach-mx5/board-dt.c | 64 > +++++++++++++++++++++++++++++++ > arch/arm/mach-mx5/clock-dt.c | 52 +++++++++++++++++++++++++ > arch/arm/plat-mxc/include/mach/common.h | 1 + > 5 files changed, 126 insertions(+), 0 deletions(-)
I've picked up this series into my devicetree/test branch. I still have comments, but it has come a long way and I'm happy enough with it to start carrying it. Future patches can either build on top of this series, or completely replace it (your choice). g. > > diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig > index de4fa99..6438f87 100644 > --- a/arch/arm/mach-mx5/Kconfig > +++ b/arch/arm/mach-mx5/Kconfig > @@ -47,6 +47,14 @@ config MACH_MX51_BABBAGE > u-boot. This includes specific configurations for the board and its > peripherals. > > +config MACH_MX51_DT > + bool "Generic MX51 board (FDT support)" > + select USE_OF > + select SOC_IMX51 > + help > + Support for generic Freescale i.MX51 boards using Flattened Device > + Tree. > + > config MACH_MX51_3DS > bool "Support MX51PDK (3DS)" > select SOC_IMX51 > diff --git a/arch/arm/mach-mx5/Makefile b/arch/arm/mach-mx5/Makefile > index 0d43be9..bd4542d 100644 > --- a/arch/arm/mach-mx5/Makefile > +++ b/arch/arm/mach-mx5/Makefile > @@ -18,3 +18,4 @@ obj-$(CONFIG_MACH_EUKREA_CPUIMX51SD) += board-cpuimx51sd.o > obj-$(CONFIG_MACH_EUKREA_MBIMXSD51_BASEBOARD) += eukrea_mbimxsd-baseboard.o > obj-$(CONFIG_MACH_MX51_EFIKAMX) += board-mx51_efikamx.o > obj-$(CONFIG_MACH_MX50_RDP) += board-mx50_rdp.o > +obj-$(CONFIG_MACH_MX51_DT) += board-dt.o clock-dt.o > diff --git a/arch/arm/mach-mx5/board-dt.c b/arch/arm/mach-mx5/board-dt.c > new file mode 100644 > index 0000000..62ca693 > --- /dev/null > +++ b/arch/arm/mach-mx5/board-dt.c > @@ -0,0 +1,64 @@ > +/* > + * Copyright 2011 Linaro Ltd. > + * Copyright 2011 Freescale Semiconductor, Inc. > + * > + * The code contained herein is licensed under the GNU General Public > + * License. You may obtain a copy of the GNU General Public License > + * Version 2 or later at the following locations: > + * > + * http://www.opensource.org/licenses/gpl-license.html > + * http://www.gnu.org/copyleft/gpl.html > + */ > + > +#include <linux/err.h> > +#include <linux/init.h> > +#include <linux/platform_device.h> > +#include <linux/dma-mapping.h> > +#include <linux/of_platform.h> > +#include <linux/of_fdt.h> > + > +#include <mach/common.h> > +#include <mach/hardware.h> > +#include <mach/imx-uart.h> > +#include <mach/iomux-mx51.h> > + > +#include <asm/irq.h> > +#include <asm/setup.h> > +#include <asm/mach-types.h> > +#include <asm/mach/arch.h> > +#include <asm/mach/time.h> > + > +#include "devices.h" > + > +static struct of_device_id mx51_dt_match_table[] __initdata = { > + { .compatible = "simple-bus", }, > + {} > +}; > + > +static void __init mx51_dt_board_init(void) > +{ > + of_platform_bus_probe(NULL, mx51_dt_match_table, NULL); > +} > + > +static void __init mx51_dt_timer_init(void) > +{ > + mx51_clocks_init(32768, 24000000, 22579200, 0); > + mx5_clk_dt_init(); > +} > + > +static struct sys_timer mxc_timer = { > + .init = mx51_dt_timer_init, > +}; > + > +static const char *mx51_dt_board_compat[] = { > + "fsl,mx51-babbage", > + NULL > +}; > + > +DT_MACHINE_START(MX51_DT, "Freescale MX51 (Flattened Device Tree)") > + .map_io = mx51_map_io, > + .init_irq = mx51_init_irq, > + .init_machine = mx51_dt_board_init, > + .dt_compat = mx51_dt_board_compat, > + .timer = &mxc_timer, > +MACHINE_END > diff --git a/arch/arm/mach-mx5/clock-dt.c b/arch/arm/mach-mx5/clock-dt.c > new file mode 100644 > index 0000000..9c04475 > --- /dev/null > +++ b/arch/arm/mach-mx5/clock-dt.c > @@ -0,0 +1,52 @@ > + > +/* > + * Copyright 2011 Linaro Ltd. > + * Jason Liu <jason....@linaro.org> > + * > + * The code contained herein is licensed under the GNU General Public > + * License. You may obtain a copy of the GNU General Public License > + * Version 2 or later at the following locations: > + * > + * http://www.opensource.org/licenses/gpl-license.html > + * http://www.gnu.org/copyleft/gpl.html > + */ > + > +#include <linux/err.h> > +#include <linux/init.h> > +#include <linux/clk.h> > +#include <linux/of.h> > +#include <linux/of_address.h> > +#include <linux/of_clk.h> > + > +static struct clk *mx5_dt_clk_get(struct device_node *np, > + const char *output_id, void *data) > +{ > + return data; > +} > + > +static __init void mx5_dt_scan_clks(void) > +{ > + struct device_node *node; > + struct clk *clk; > + const char *id; > + int rc; > + > + for_each_compatible_node(node, NULL, "clock") { > + id = of_get_property(node, "clock-outputs", NULL); > + if (!id) > + continue; > + > + clk = clk_get_sys(id, NULL); > + if (IS_ERR(clk)) > + continue; > + > + rc = of_clk_add_provider(node, mx5_dt_clk_get, clk); > + if (rc) > + pr_err("error adding fixed clk %s\n", node->name); > + } > +} > + > +void __init mx5_clk_dt_init(void) > +{ > + mx5_dt_scan_clks(); > +} > diff --git a/arch/arm/plat-mxc/include/mach/common.h > b/arch/arm/plat-mxc/include/mach/common.h > index aea2cd3..a28e84a 100644 > --- a/arch/arm/plat-mxc/include/mach/common.h > +++ b/arch/arm/plat-mxc/include/mach/common.h > @@ -58,4 +58,5 @@ extern void mxc91231_arch_reset(int, const char *); > extern void mxc91231_prepare_idle(void); > extern void mx51_efikamx_reset(void); > extern int mx53_revision(void); > +extern void mx5_clk_dt_init(void); > #endif > -- > 1.7.1 > _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
