ARM: mxs: Add pwm clocks and device registration
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index 55bf075..836cc81 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -8,10 +8,12 @@
config SOC_IMX23
bool
select CPU_ARM926T
+ select HAVE_PWM
config SOC_IMX28
bool
select CPU_ARM926T
+ select HAVE_PWM
comment "MXS platforms:"
diff --git a/arch/arm/mach-mxs/clock-mx23.c b/arch/arm/mach-mxs/clock-mx23.c
index 7c5dace..38ee1b1 100644
--- a/arch/arm/mach-mxs/clock-mx23.c
+++ b/arch/arm/mach-mxs/clock-mx23.c
@@ -447,7 +447,11 @@
_REGISTER_CLOCK(NULL, "hclk", hbus_clk)
_REGISTER_CLOCK(NULL, "usb", usb_clk)
_REGISTER_CLOCK(NULL, "audio", audio_clk)
- _REGISTER_CLOCK(NULL, "pwm", pwm_clk)
+ _REGISTER_CLOCK("mxs-pwm.0", NULL, pwm_clk)
+ _REGISTER_CLOCK("mxs-pwm.1", NULL, pwm_clk)
+ _REGISTER_CLOCK("mxs-pwm.2", NULL, pwm_clk)
+ _REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk)
+ _REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk)
};
static int clk_misc_init(void)
diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
index febd787..40726c7 100644
--- a/arch/arm/mach-mxs/clock-mx28.c
+++ b/arch/arm/mach-mxs/clock-mx28.c
@@ -622,7 +622,14 @@
_REGISTER_CLOCK("flexcan.1", NULL, can1_clk)
_REGISTER_CLOCK(NULL, "usb0", usb0_clk)
_REGISTER_CLOCK(NULL, "usb1", usb1_clk)
- _REGISTER_CLOCK(NULL, "pwm", pwm_clk)
+ _REGISTER_CLOCK("mxs-pwm.0", NULL, pwm_clk)
+ _REGISTER_CLOCK("mxs-pwm.1", NULL, pwm_clk)
+ _REGISTER_CLOCK("mxs-pwm.2", NULL, pwm_clk)
+ _REGISTER_CLOCK("mxs-pwm.3", NULL, pwm_clk)
+ _REGISTER_CLOCK("mxs-pwm.4", NULL, pwm_clk)
+ _REGISTER_CLOCK("mxs-pwm.5", NULL, pwm_clk)
+ _REGISTER_CLOCK("mxs-pwm.6", NULL, pwm_clk)
+ _REGISTER_CLOCK("mxs-pwm.7", NULL, pwm_clk)
_REGISTER_CLOCK(NULL, "lradc", lradc_clk)
_REGISTER_CLOCK(NULL, "spdif", spdif_clk)
};
diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h
index c4d4773..7fb27b1 100644
--- a/arch/arm/mach-mxs/devices-mx23.h
+++ b/arch/arm/mach-mxs/devices-mx23.h
@@ -19,3 +19,5 @@
#define mx23_add_auart(id) mxs_add_auart(&mx23_auart_data[id])
#define mx23_add_auart0() mx23_add_auart(0)
#define mx23_add_auart1() mx23_add_auart(1)
+
+#define mx23_add_mxs_pwm(id) mxs_add_mxs_pwm(MX23_PWM_BASE_ADDR, id)
diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h
index 3b18304..69d19ea 100644
--- a/arch/arm/mach-mxs/devices-mx28.h
+++ b/arch/arm/mach-mxs/devices-mx28.h
@@ -32,3 +32,5 @@
mxs_add_flexcan(&mx28_flexcan_data[id], pdata)
#define mx28_add_flexcan0(pdata) mx28_add_flexcan(0, pdata)
#define mx28_add_flexcan1(pdata) mx28_add_flexcan(1, pdata)
+
+#define mx28_add_mxs_pwm(id) mxs_add_mxs_pwm(MX28_PWM_BASE_ADDR, id)
diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
index 6c65b67..3aeec24 100644
--- a/arch/arm/mach-mxs/devices/Kconfig
+++ b/arch/arm/mach-mxs/devices/Kconfig
@@ -11,3 +11,6 @@
config MXS_HAVE_PLATFORM_FLEXCAN
select HAVE_CAN_FLEXCAN if CAN
bool
+
+config MXS_HAVE_PLATFORM_MXS_PWM
+ bool
diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
index a8dc8d5..978310f 100644
--- a/arch/arm/mach-mxs/devices/Makefile
+++ b/arch/arm/mach-mxs/devices/Makefile
@@ -2,3 +2,4 @@
obj-$(CONFIG_MXS_HAVE_PLATFORM_AUART) += platform-auart.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FEC) += platform-fec.o
obj-$(CONFIG_MXS_HAVE_PLATFORM_FLEXCAN) += platform-flexcan.o
+obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o
diff --git a/arch/arm/mach-mxs/devices/platform-mxs-pwm.c b/arch/arm/mach-mxs/devices/platform-mxs-pwm.c
new file mode 100644
index 0000000..680f5a9
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-mxs-pwm.c
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2010 Pengutronix
+ * Sascha Hauer <s.hauer@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 <asm/sizes.h>
+#include <mach/devices-common.h>
+
+struct platform_device *__init mxs_add_mxs_pwm(resource_size_t iobase, int id)
+{
+ struct resource res = {
+ .flags = IORESOURCE_MEM,
+ };
+
+ res.start = iobase + 0x10 + 0x20 * id;
+ res.end = res.start + 0x1f;
+
+ return mxs_add_platform_device("mxs-pwm", id, &res, 1, NULL, 0);
+}
diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h
index e7aefb4..d460d30 100644
--- a/arch/arm/mach-mxs/include/mach/devices-common.h
+++ b/arch/arm/mach-mxs/include/mach/devices-common.h
@@ -63,3 +63,7 @@
struct platform_device *__init mxs_add_flexcan(
const struct mxs_flexcan_data *data,
const struct flexcan_platform_data *pdata);
+
+/* pwm */
+struct platform_device *__init mxs_add_mxs_pwm(
+ resource_size_t iobase, int id);