ARM: mx3: dynamically allocate "mxc_rtc" devices
LAKML-Reference: 1299271882-2130-2-git-send-email-u.kleine-koenig@pengutronix.de
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig
index b0831ef..ae23211 100644
--- a/arch/arm/mach-mx3/Kconfig
+++ b/arch/arm/mach-mx3/Kconfig
@@ -84,6 +84,7 @@
select IMX_HAVE_PLATFORM_MXC_EHCI
select IMX_HAVE_PLATFORM_MXC_MMC
select IMX_HAVE_PLATFORM_MXC_NAND
+ select IMX_HAVE_PLATFORM_MXC_RTC
select IMX_HAVE_PLATFORM_SPI_IMX
help
Include support for MX31 LITEKIT platform. This includes specific
diff --git a/arch/arm/mach-mx3/devices-imx31.h b/arch/arm/mach-mx3/devices-imx31.h
index cf621d2..3059b3e 100644
--- a/arch/arm/mach-mx3/devices-imx31.h
+++ b/arch/arm/mach-mx3/devices-imx31.h
@@ -56,6 +56,10 @@
#define imx31_add_mxc_nand(pdata) \
imx_add_mxc_nand(&imx31_mxc_nand_data, pdata)
+extern const struct imx_mxc_rtc_data imx31_mxc_rtc_data;
+#define imx31_add_mxc_rtc(pdata) \
+ imx_add_mxc_rtc(&imx31_mxc_rtc_data)
+
extern const struct imx_mxc_w1_data imx31_mxc_w1_data;
#define imx31_add_mxc_w1(pdata) \
imx_add_mxc_w1(&imx31_mxc_w1_data)
diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c
index b6672db..0701ee4 100644
--- a/arch/arm/mach-mx3/devices.c
+++ b/arch/arm/mach-mx3/devices.c
@@ -94,22 +94,3 @@
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
-
-static struct resource imx_rtc_resources[] = {
- {
- .start = MX31_RTC_BASE_ADDR,
- .end = MX31_RTC_BASE_ADDR + 0x3fff,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = MX31_INT_RTC,
- .flags = IORESOURCE_IRQ,
- },
-};
-
-struct platform_device imx_rtc_device0 = {
- .name = "mxc_rtc",
- .id = -1,
- .num_resources = ARRAY_SIZE(imx_rtc_resources),
- .resource = imx_rtc_resources,
-};
diff --git a/arch/arm/mach-mx3/devices.h b/arch/arm/mach-mx3/devices.h
index 121962c..d23f8537 100644
--- a/arch/arm/mach-mx3/devices.h
+++ b/arch/arm/mach-mx3/devices.h
@@ -1,4 +1,3 @@
extern struct platform_device mx3_ipu;
extern struct platform_device mx3_fb;
extern struct platform_device mx3_camera;
-extern struct platform_device imx_rtc_device0;
diff --git a/arch/arm/mach-mx3/mx31lite-db.c b/arch/arm/mach-mx3/mx31lite-db.c
index 3124ea8..04fab65 100644
--- a/arch/arm/mach-mx3/mx31lite-db.c
+++ b/arch/arm/mach-mx3/mx31lite-db.c
@@ -200,5 +200,5 @@
imx31_add_spi_imx0(&spi0_pdata);
platform_device_register(&litekit_led_device);
imx31_add_imx2_wdt(NULL);
- mxc_register_device(&imx_rtc_device0, NULL);
+ imx31_add_mxc_rtc(NULL);
}
diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig
index b9ab1d5..0e8d7ab 100644
--- a/arch/arm/plat-mxc/devices/Kconfig
+++ b/arch/arm/plat-mxc/devices/Kconfig
@@ -63,6 +63,9 @@
bool
select ARCH_HAS_RNGA
+config IMX_HAVE_PLATFORM_MXC_RTC
+ bool
+
config IMX_HAVE_PLATFORM_MXC_W1
bool
diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile
index 75cd2ec..ca227eae 100644
--- a/arch/arm/plat-mxc/devices/Makefile
+++ b/arch/arm/plat-mxc/devices/Makefile
@@ -19,6 +19,7 @@
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_NAND) += platform-mxc_nand.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_PWM) += platform-mxc_pwm.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_RNGA) += platform-mxc_rnga.o
+obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_RTC) += platform-mxc_rtc.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_W1) += platform-mxc_w1.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX) += platform-sdhci-esdhc-imx.o
obj-$(CONFIG_IMX_HAVE_PLATFORM_SPI_IMX) += platform-spi_imx.o
diff --git a/arch/arm/plat-mxc/devices/platform-mxc_rtc.c b/arch/arm/plat-mxc/devices/platform-mxc_rtc.c
new file mode 100644
index 0000000..16d0ec4
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-mxc_rtc.c
@@ -0,0 +1,40 @@
+/*
+ * Copyright (C) 2010-2011 Pengutronix
+ * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
+ *
+ * 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 <mach/hardware.h>
+#include <mach/devices-common.h>
+
+#define imx_mxc_rtc_data_entry_single(soc) \
+ { \
+ .iobase = soc ## _RTC_BASE_ADDR, \
+ .irq = soc ## _INT_RTC, \
+ }
+
+#ifdef CONFIG_SOC_IMX31
+const struct imx_mxc_rtc_data imx31_mxc_rtc_data __initconst =
+ imx_mxc_rtc_data_entry_single(MX31);
+#endif /* ifdef CONFIG_SOC_IMX31 */
+
+struct platform_device *__init imx_add_mxc_rtc(
+ const struct imx_mxc_rtc_data *data)
+{
+ struct resource res[] = {
+ {
+ .start = data->iobase,
+ .end = data->iobase + SZ_16K - 1,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = data->irq,
+ .end = data->irq,
+ .flags = IORESOURCE_IRQ,
+ },
+ };
+
+ return imx_add_platform_device("mxc_rtc", -1,
+ res, ARRAY_SIZE(res), NULL, 0);
+}
diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h
index 8658c9c..b0bc198 100644
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -237,6 +237,15 @@
struct platform_device *__init imx_add_mxc_pwm(
const struct imx_mxc_pwm_data *data);
+/* mxc_rtc */
+struct imx_mxc_rtc_data {
+ resource_size_t iobase;
+ resource_size_t irq;
+};
+struct platform_device *__init imx_add_mxc_rtc(
+ const struct imx_mxc_rtc_data *data);
+
+/* mxc_w1 */
struct imx_mxc_w1_data {
resource_size_t iobase;
};