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author | Olof Johansson <olof@lixom.net> | 2012-09-21 06:16:43 +0200 |
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committer | Olof Johansson <olof@lixom.net> | 2012-09-21 06:16:43 +0200 |
commit | ea832c41dacbc4a5f3888d9ef7c38213914aba2a (patch) | |
tree | bee97817d9a55f000e2bec5fa5d62d325050e6a6 /arch/arm/mach-imx/mach-imx53.c | |
parent | Merge branch 'next/cleanup' into next/multiplatform (diff) | |
parent | Merge tag 'imx-dt-3.7-2' of git://git.linaro.org/people/shawnguo/linux-2.6 in... (diff) | |
download | linux-ea832c41dacbc4a5f3888d9ef7c38213914aba2a.tar.xz linux-ea832c41dacbc4a5f3888d9ef7c38213914aba2a.zip |
Merge branch 'next/dt' into next/multiplatform
* next/dt: (182 commits)
ARM: tegra: Add Avionic Design Tamonten Evaluation Carrier support
ARM: tegra: Add Avionic Design Medcom-Wide support
ARM: tegra: Add Avionic Design Plutux support
ARM: tegra: Add Avionic Design Tamonten support
ARM: tegra: dts: Add pwm label
ARM: dt: tegra: whistler: configure power off
ARM: mxs: m28evk: Disable OCOTP OUI loading
ARM: imx6q: use pll2_pfd2_396m as the enfc_sel's parent
ARM: dts: imx6q-sabrelite: add usbotg pinctrl support
ARM: dts: imx23-olinuxino: Add USB host support
ARM: dts: imx6q-sabrelite: add usbmisc device
ARM: dts: mx23: Add USB resources
ARM: dts: mxs: Add ethernetX to macX aliases
ARM: msm: Remove non-DT targets from 8960
ARM: msm: Add DT support for 8960
ARM: msm: Move io mapping prototypes to common.h
ARM: msm: Rename board-msm8x60 to signify its DT only status
ARM: msm: Make 8660 a DT only target
ARM: msm: Move 8660 to DT timer
ARM: msm: Add DT support to msm_timer
...
Diffstat (limited to 'arch/arm/mach-imx/mach-imx53.c')
-rw-r--r-- | arch/arm/mach-imx/mach-imx53.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx53.c b/arch/arm/mach-imx/mach-imx53.c new file mode 100644 index 000000000000..29711e95579f --- /dev/null +++ b/arch/arm/mach-imx/mach-imx53.c @@ -0,0 +1,99 @@ +/* + * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2011 Linaro Ltd. + * + * 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/clk.h> +#include <linux/clkdev.h> +#include <linux/err.h> +#include <linux/io.h> +#include <linux/irq.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <mach/common.h> +#include <mach/mx53.h> + +/* + * Lookup table for attaching a specific name and platform_data pointer to + * devices as they get created by of_platform_populate(). Ideally this table + * would not exist, but the current clock implementation depends on some devices + * having a specific name. + */ +static const struct of_dev_auxdata imx53_auxdata_lookup[] __initconst = { + OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART1_BASE_ADDR, "imx21-uart.0", NULL), + OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART2_BASE_ADDR, "imx21-uart.1", NULL), + OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART3_BASE_ADDR, "imx21-uart.2", NULL), + OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART4_BASE_ADDR, "imx21-uart.3", NULL), + OF_DEV_AUXDATA("fsl,imx53-uart", MX53_UART5_BASE_ADDR, "imx21-uart.4", NULL), + OF_DEV_AUXDATA("fsl,imx53-fec", MX53_FEC_BASE_ADDR, "imx25-fec.0", NULL), + OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC1_BASE_ADDR, "sdhci-esdhc-imx53.0", NULL), + OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC2_BASE_ADDR, "sdhci-esdhc-imx53.1", NULL), + OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC3_BASE_ADDR, "sdhci-esdhc-imx53.2", NULL), + OF_DEV_AUXDATA("fsl,imx53-esdhc", MX53_ESDHC4_BASE_ADDR, "sdhci-esdhc-imx53.3", NULL), + OF_DEV_AUXDATA("fsl,imx53-ecspi", MX53_ECSPI1_BASE_ADDR, "imx51-ecspi.0", NULL), + OF_DEV_AUXDATA("fsl,imx53-ecspi", MX53_ECSPI2_BASE_ADDR, "imx51-ecspi.1", NULL), + OF_DEV_AUXDATA("fsl,imx53-cspi", MX53_CSPI_BASE_ADDR, "imx35-cspi.0", NULL), + OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C1_BASE_ADDR, "imx-i2c.0", NULL), + OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C2_BASE_ADDR, "imx-i2c.1", NULL), + OF_DEV_AUXDATA("fsl,imx53-i2c", MX53_I2C3_BASE_ADDR, "imx-i2c.2", NULL), + OF_DEV_AUXDATA("fsl,imx53-sdma", MX53_SDMA_BASE_ADDR, "imx35-sdma", NULL), + OF_DEV_AUXDATA("fsl,imx53-wdt", MX53_WDOG1_BASE_ADDR, "imx2-wdt.0", NULL), + { /* sentinel */ } +}; + +static void __init imx53_qsb_init(void) +{ + struct clk *clk; + + clk = clk_get_sys(NULL, "ssi_ext1"); + if (IS_ERR(clk)) { + pr_err("failed to get clk ssi_ext1\n"); + return; + } + + clk_register_clkdev(clk, NULL, "0-000a"); +} + +static void __init imx53_dt_init(void) +{ + if (of_machine_is_compatible("fsl,imx53-qsb")) + imx53_qsb_init(); + + of_platform_populate(NULL, of_default_bus_match_table, + imx53_auxdata_lookup, NULL); +} + +static void __init imx53_timer_init(void) +{ + mx53_clocks_init_dt(); +} + +static struct sys_timer imx53_timer = { + .init = imx53_timer_init, +}; + +static const char *imx53_dt_board_compat[] __initdata = { + "fsl,imx53", + NULL +}; + +DT_MACHINE_START(IMX53_DT, "Freescale i.MX53 (Device Tree Support)") + .map_io = mx53_map_io, + .init_early = imx53_init_early, + .init_irq = mx53_init_irq, + .handle_irq = imx53_handle_irq, + .timer = &imx53_timer, + .init_machine = imx53_dt_init, + .init_late = imx53_init_late, + .dt_compat = imx53_dt_board_compat, + .restart = mxc_restart, +MACHINE_END |