[PATCH 20/27] ARM: shmobile: r8a7790: Switch to new style CMT device

Laurent Pinchart laurent.pinchart+renesas at ideasonboard.com
Thu Feb 13 19:59:58 EST 2014


The CMT (Compare Match Timer) driver implements a new style of platform
data that handles the timer as a single device with multiple channel.
Switch from the old-style platform data to the new-style platform data.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
---
 arch/arm/mach-shmobile/board-lager-reference.c |  2 +-
 arch/arm/mach-shmobile/clock-r8a7790.c         |  2 +-
 arch/arm/mach-shmobile/setup-r8a7790.c         | 26 ++++++++++++++++----------
 3 files changed, 18 insertions(+), 12 deletions(-)

diff --git a/arch/arm/mach-shmobile/board-lager-reference.c b/arch/arm/mach-shmobile/board-lager-reference.c
index 35fc0f2..4dd43b1 100644
--- a/arch/arm/mach-shmobile/board-lager-reference.c
+++ b/arch/arm/mach-shmobile/board-lager-reference.c
@@ -38,7 +38,7 @@ static void __init lager_add_standard_devices(void)
 
 	clk = clk_get(NULL, "cmt0");
 	if (!IS_ERR(clk)) {
-		clk_register_clkdev(clk, NULL, "sh_cmt.0");
+		clk_register_clkdev(clk, NULL, "sh-cmt-48-gen2.0");
 		clk_put(clk);
 	}
 #else
diff --git a/arch/arm/mach-shmobile/clock-r8a7790.c b/arch/arm/mach-shmobile/clock-r8a7790.c
index 4b276ef..780466e 100644
--- a/arch/arm/mach-shmobile/clock-r8a7790.c
+++ b/arch/arm/mach-shmobile/clock-r8a7790.c
@@ -357,7 +357,7 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh_mobile_sdhi.3", &mstp_clks[MSTP311]),
 	CLKDEV_DEV_ID("ee220000.mmc", &mstp_clks[MSTP305]),
 	CLKDEV_DEV_ID("sh_mmcif.1", &mstp_clks[MSTP305]),
-	CLKDEV_DEV_ID("sh_cmt.0", &mstp_clks[MSTP124]),
+	CLKDEV_DEV_ID("sh-cmt-48-gen2.0", &mstp_clks[MSTP124]),
 	CLKDEV_DEV_ID("qspi.0", &mstp_clks[MSTP917]),
 	CLKDEV_DEV_ID("renesas_usbhs", &mstp_clks[MSTP704]),
 	CLKDEV_DEV_ID("pci-rcar-gen2.0", &mstp_clks[MSTP703]),
diff --git a/arch/arm/mach-shmobile/setup-r8a7790.c b/arch/arm/mach-shmobile/setup-r8a7790.c
index b237268..3e5813f 100644
--- a/arch/arm/mach-shmobile/setup-r8a7790.c
+++ b/arch/arm/mach-shmobile/setup-r8a7790.c
@@ -269,20 +269,26 @@ static const struct resource thermal_resources[] __initconst = {
 					thermal_resources,		\
 					ARRAY_SIZE(thermal_resources))
 
-static const struct sh_timer_config cmt00_platform_data __initconst = {
-	.name = "CMT00",
-	.timer_bit = 0,
-	.clockevent_rating = 80,
+static struct sh_timer_channel_config cmt0_channels[] = {
+	{
+		.index = 0,
+		.clockevent_rating = 80,
+	},
 };
 
-static const struct resource cmt00_resources[] __initconst = {
-	DEFINE_RES_MEM(0xffca0510, 0x0c),
-	DEFINE_RES_MEM(0xffca0500, 0x04),
-	DEFINE_RES_IRQ(gic_spi(142)), /* CMT0_0 */
+static struct sh_timer_config cmt0_platform_data = {
+	.channels = cmt0_channels,
+	.num_channels = ARRAY_SIZE(cmt0_channels),
+	.channels_mask = 0x1f,
+};
+
+static struct resource cmt0_resources[] = {
+	DEFINE_RES_MEM(0xffca0000, 0x1004),
+	DEFINE_RES_IRQ(gic_spi(142)),
 };
 
 #define r8a7790_register_cmt(idx)					\
-	platform_device_register_resndata(&platform_bus, "sh_cmt",	\
+	platform_device_register_resndata(&platform_bus, "sh-cmt-48-gen2", \
 					  idx, cmt##idx##_resources,	\
 					  ARRAY_SIZE(cmt##idx##_resources), \
 					  &cmt##idx##_platform_data,	\
@@ -290,7 +296,7 @@ static const struct resource cmt00_resources[] __initconst = {
 
 void __init r8a7790_add_dt_devices(void)
 {
-	r8a7790_register_cmt(00);
+	r8a7790_register_cmt(0);
 }
 
 void __init r8a7790_add_standard_devices(void)
-- 
1.8.3.2




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