sh: sh2a MTU2 platform data
This patch adds MTU2 platform data for the following cpus:
- sh7201 (3/5 channels)
- sh7203/sh7263 (2/4 channels)
- sh7206 (3/5 channels)
- MXG (3/5 channels)
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/cpu/sh2a/setup-sh7201.c b/arch/sh/kernel/cpu/sh2a/setup-sh7201.c
index 00f42f9..074aa90 100644
--- a/arch/sh/kernel/cpu/sh2a/setup-sh7201.c
+++ b/arch/sh/kernel/cpu/sh2a/setup-sh7201.c
@@ -12,6 +12,8 @@
#include <linux/init.h>
#include <linux/serial.h>
#include <linux/serial_sci.h>
+#include <linux/sh_mtu2.h>
+#include <linux/io.h>
enum {
UNUSED = 0,
@@ -249,9 +251,105 @@
.resource = rtc_resources,
};
+static struct sh_mtu2_config mtu2_0_platform_data = {
+ .name = "MTU2_0",
+ .channel_offset = -0x80,
+ .timer_bit = 0,
+ .clk = "module_clk",
+ .clockevent_rating = 200,
+};
+
+static struct resource mtu2_0_resources[] = {
+ [0] = {
+ .name = "MTU2_0",
+ .start = 0xfffe4300,
+ .end = 0xfffe4326,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 108,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mtu2_0_device = {
+ .name = "sh_mtu2",
+ .id = 0,
+ .dev = {
+ .platform_data = &mtu2_0_platform_data,
+ },
+ .resource = mtu2_0_resources,
+ .num_resources = ARRAY_SIZE(mtu2_0_resources),
+};
+
+static struct sh_mtu2_config mtu2_1_platform_data = {
+ .name = "MTU2_1",
+ .channel_offset = -0x100,
+ .timer_bit = 1,
+ .clk = "module_clk",
+ .clockevent_rating = 200,
+};
+
+static struct resource mtu2_1_resources[] = {
+ [0] = {
+ .name = "MTU2_1",
+ .start = 0xfffe4380,
+ .end = 0xfffe4390,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 116,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mtu2_1_device = {
+ .name = "sh_mtu2",
+ .id = 1,
+ .dev = {
+ .platform_data = &mtu2_1_platform_data,
+ },
+ .resource = mtu2_1_resources,
+ .num_resources = ARRAY_SIZE(mtu2_1_resources),
+};
+
+static struct sh_mtu2_config mtu2_2_platform_data = {
+ .name = "MTU2_2",
+ .channel_offset = 0x80,
+ .timer_bit = 2,
+ .clk = "module_clk",
+ .clockevent_rating = 200,
+};
+
+static struct resource mtu2_2_resources[] = {
+ [0] = {
+ .name = "MTU2_2",
+ .start = 0xfffe4000,
+ .end = 0xfffe400a,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = 124,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device mtu2_2_device = {
+ .name = "sh_mtu2",
+ .id = 2,
+ .dev = {
+ .platform_data = &mtu2_2_platform_data,
+ },
+ .resource = mtu2_2_resources,
+ .num_resources = ARRAY_SIZE(mtu2_2_resources),
+};
+
static struct platform_device *sh7201_devices[] __initdata = {
&sci_device,
&rtc_device,
+ &mtu2_0_device,
+ &mtu2_1_device,
+ &mtu2_2_device,
};
static int __init sh7201_devices_setup(void)
@@ -265,3 +363,20 @@
{
register_intc_controller(&intc_desc);
}
+
+static struct platform_device *sh7201_early_devices[] __initdata = {
+ &mtu2_0_device,
+ &mtu2_1_device,
+ &mtu2_2_device,
+};
+
+#define STBCR3 0xfffe0408
+
+void __init plat_early_device_setup(void)
+{
+ /* enable MTU2 clock */
+ __raw_writeb(__raw_readb(STBCR3) & ~0x20, STBCR3);
+
+ early_platform_add_devices(sh7201_early_devices,
+ ARRAY_SIZE(sh7201_early_devices));
+}