From: magnus.damm@gmail.com (Magnus Damm)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: shmobile: Enable MTU2 on r7s72100
Date: Wed, 06 Nov 2013 19:43:32 +0900 [thread overview]
Message-ID: <20131106104332.6327.73303.sendpatchset@w520> (raw)
From: Magnus Damm <damm@opensource.se>
Add MTU2 as r7s72100 system timer.
Signed-off-by: Magnus Damm <damm@opensource.se>
---
Built on top of "renesas-devel-v3.12-rc7-20131101"
arch/arm/mach-shmobile/clock-r7s72100.c | 1 +
arch/arm/mach-shmobile/setup-r7s72100.c | 22 ++++++++++++++++++++++
2 files changed, 23 insertions(+)
--- 0001/arch/arm/mach-shmobile/clock-r7s72100.c
+++ work/arch/arm/mach-shmobile/clock-r7s72100.c 2013-11-05 21:07:13.000000000 +0900
@@ -178,6 +178,7 @@ static struct clk_lookup lookups[] = {
CLKDEV_ICK_ID("sci_fck", "sh-sci.5", &mstp_clks[MSTP42]),
CLKDEV_ICK_ID("sci_fck", "sh-sci.6", &mstp_clks[MSTP41]),
CLKDEV_ICK_ID("sci_fck", "sh-sci.7", &mstp_clks[MSTP40]),
+ CLKDEV_CON_ID("mtu2_fck", &mstp_clks[MSTP33]),
};
void __init r7s72100_clock_init(void)
--- 0001/arch/arm/mach-shmobile/setup-r7s72100.c
+++ work/arch/arm/mach-shmobile/setup-r7s72100.c 2013-11-05 21:07:13.000000000 +0900
@@ -22,6 +22,7 @@
#include <linux/kernel.h>
#include <linux/of_platform.h>
#include <linux/serial_sci.h>
+#include <linux/sh_timer.h>
#include <mach/common.h>
#include <mach/irqs.h>
#include <mach/r7s72100.h>
@@ -58,6 +59,26 @@ static inline void r7s72100_register_sci
sizeof(struct plat_sci_port));
}
+
+static struct sh_timer_config mtu2_0_platform_data __initdata = {
+ .name = "MTU2_0",
+ .timer_bit = 0,
+ .channel_offset = -0x80,
+ .clockevent_rating = 200,
+};
+
+static struct resource mtu2_0_resources[] __initdata = {
+ DEFINE_RES_MEM(0xfcff0300, 0x27),
+ DEFINE_RES_IRQ(gic_iid(139)), /* MTU2 TGI0A */
+};
+
+#define r7s72100_register_mtu2(idx) \
+ platform_device_register_resndata(&platform_bus, "sh_mtu2", \
+ idx, mtu2_##idx##_resources, \
+ ARRAY_SIZE(mtu2_##idx##_resources), \
+ &mtu2_##idx##_platform_data, \
+ sizeof(struct sh_timer_config))
+
void __init r7s72100_add_dt_devices(void)
{
r7s72100_register_scif(SCIF0);
@@ -68,6 +89,7 @@ void __init r7s72100_add_dt_devices(void
r7s72100_register_scif(SCIF5);
r7s72100_register_scif(SCIF6);
r7s72100_register_scif(SCIF7);
+ r7s72100_register_mtu2(0);
}
void __init r7s72100_init_early(void)
next reply other threads:[~2013-11-06 10:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-06 10:43 Magnus Damm [this message]
2013-11-08 7:52 ` [PATCH] ARM: shmobile: Enable MTU2 on r7s72100 Simon Horman
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