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authorOlof Johansson <olof@lixom.net>2012-09-12 23:17:11 -0700
committerOlof Johansson <olof@lixom.net>2012-09-12 23:17:11 -0700
commitcecb9a1e4dda8a8cb74227b79091edcd62e04674 (patch)
treef8f562281fb9390a91c18b10d076bc47dfaafc0a /arch/arm/mach-imx/mach-imx53.c
parent83ae0ffa50d4be8936efd73bd84f0a6287ebc100 (diff)
parentf8135a74df53ba7010a162dddd112b73ee5652e3 (diff)
downloadtalos-op-linux-cecb9a1e4dda8a8cb74227b79091edcd62e04674.tar.gz
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Merge tag 'imx-dt-3.7' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt
- All imx53 board files are removed by the equal device tree support - The efikamx board files are removed to ease device tree migration - Remove dummy pinctrl state by setting up pinctrl in device tree * tag 'imx-dt-3.7' of git://git.linaro.org/people/shawnguo/linux-2.6: (28 commits) ARM: imx6q-sabrelite: Rename 'pinctrl_gpio_hog' ARM: imx51: decouple device tree boot from board files ARM: imx51: build in pinctrl support ARM: dts: imx51-babbage: add pinctrl settings ARM: imx53: remove unneeded files and functions ARM: imx53: support device tree boot only ARM: imx53: decouple device tree boot from board files ARM: imx53: build in pinctrl support ARM: dts: imx53-smd: add pinctrl settings ARM: dts: imx53-evk: add pinctrl settings ARM: dts: imx53-ard: add pinctrl settings ARM: dts: imx53-qsb: add pinctrl settings ARM: imx6q: remove dummy pinctrl state ARM: dts: imx6q-sabresd: add pinctrl settings ARM: dts: imx6q-arm2: add pinctrl for uart and enet ARM: dts: imx6q-sabrelite: add pinctrl for usdhc and enet ARM: dts: imx6q: sort iomuxc sub-nodes in name ARM: dts: imx6q: name iomuxc sub-nodes following pin function ARM: dts: imx6q: improve indentation for fsl,pins ARM: efikamx: remove Genesi Efika MX platform files from the tree ... Resolved trivial context conflict in arch/arm/boot/dts/imx51-babbage.dts
Diffstat (limited to 'arch/arm/mach-imx/mach-imx53.c')
-rw-r--r--arch/arm/mach-imx/mach-imx53.c99
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
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