MCU is and external Freescale MC9S08QG8 microcontroller, mainly used to
provide soft power-off function, but also exports two GPIOs (wired to
the mcu1 and mcu2 LEDs and external (J28 and J43) headers.
Signed-off-by: Anton Vorontsov <[EMAIL PROTECTED]>
---
arch/powerpc/boot/dts/mpc8377_rdb.dts | 26 +++++++++++++++++++++++++-
arch/powerpc/boot/dts/mpc8378_rdb.dts | 26 +++++++++++++++++++++++++-
arch/powerpc/boot/dts/mpc8379_rdb.dts | 26 +++++++++++++++++++++++++-
arch/powerpc/platforms/83xx/Kconfig | 2 ++
arch/powerpc/platforms/83xx/mpc837x_rdb.c | 1 +
arch/powerpc/sysdev/fsl_soc.c | 1 +
6 files changed, 79 insertions(+), 3 deletions(-)
diff --git a/arch/powerpc/boot/dts/mpc8377_rdb.dts
b/arch/powerpc/boot/dts/mpc8377_rdb.dts
index 440aa4d..0897bba 100644
--- a/arch/powerpc/boot/dts/mpc8377_rdb.dts
+++ b/arch/powerpc/boot/dts/mpc8377_rdb.dts
@@ -111,7 +111,7 @@
#address-cells = <1>;
#size-cells = <0>;
cell-index = <0>;
- compatible = "fsl-i2c";
+ compatible = "fsl-i2c", "simple-bus";
reg = <0x3000 0x100>;
interrupts = <14 0x8>;
interrupt-parent = <&ipic>;
@@ -121,6 +121,30 @@
compatible = "dallas,ds1339";
reg = <0x68>;
};
+ mcu_pio: [EMAIL PROTECTED] {
+ #gpio-cells = <1>;
+ compatible = "fsl,mc9s08qg8-mpc837xrdb",
+ "fsl,mcu-mpc837xrdb",
+ "simple-bus";
+ reg = <0x0a>;
+ gpio-controller;
+
+ [EMAIL PROTECTED] {
+ compatible = "fsl,mcu-mpc837xrdb-led2",
+ "gpio-led";
+ linux,name = "mcu2";
+ linux,active-low;
+ gpios = <&mcu_pio 0>;
+ };
+
+ [EMAIL PROTECTED] {
+ compatible = "fsl,mcu-mpc837xrdb-led1",
+ "gpio-led";
+ linux,name = "mcu1";
+ linux,active-low;
+ gpios = <&mcu_pio 1>;
+ };
+ };
};
[EMAIL PROTECTED] {
diff --git a/arch/powerpc/boot/dts/mpc8378_rdb.dts
b/arch/powerpc/boot/dts/mpc8378_rdb.dts
index 9271153..e21cbb1 100644
--- a/arch/powerpc/boot/dts/mpc8378_rdb.dts
+++ b/arch/powerpc/boot/dts/mpc8378_rdb.dts
@@ -111,7 +111,7 @@
#address-cells = <1>;
#size-cells = <0>;
cell-index = <0>;
- compatible = "fsl-i2c";
+ compatible = "fsl-i2c", "simple-bus";
reg = <0x3000 0x100>;
interrupts = <14 0x8>;
interrupt-parent = <&ipic>;
@@ -121,6 +121,30 @@
compatible = "dallas,ds1339";
reg = <0x68>;
};
+ mcu_pio: [EMAIL PROTECTED] {
+ #gpio-cells = <1>;
+ compatible = "fsl,mc9s08qg8-mpc837xrdb",
+ "fsl,mcu-mpc837xrdb",
+ "simple-bus";
+ reg = <0x0a>;
+ gpio-controller;
+
+ [EMAIL PROTECTED] {
+ compatible = "fsl,mcu-mpc837xrdb-led2",
+ "gpio-led";
+ linux,name = "mcu2";
+ linux,active-low;
+ gpios = <&mcu_pio 0>;
+ };
+
+ [EMAIL PROTECTED] {
+ compatible = "fsl,mcu-mpc837xrdb-led1",
+ "gpio-led";
+ linux,name = "mcu1";
+ linux,active-low;
+ gpios = <&mcu_pio 1>;
+ };
+ };
};
[EMAIL PROTECTED] {
diff --git a/arch/powerpc/boot/dts/mpc8379_rdb.dts
b/arch/powerpc/boot/dts/mpc8379_rdb.dts
index 0dda2fc..45c164b 100644
--- a/arch/powerpc/boot/dts/mpc8379_rdb.dts
+++ b/arch/powerpc/boot/dts/mpc8379_rdb.dts
@@ -111,7 +111,7 @@
#address-cells = <1>;
#size-cells = <0>;
cell-index = <0>;
- compatible = "fsl-i2c";
+ compatible = "fsl-i2c", "simple-bus";
reg = <0x3000 0x100>;
interrupts = <14 0x8>;
interrupt-parent = <&ipic>;
@@ -121,6 +121,30 @@
compatible = "dallas,ds1339";
reg = <0x68>;
};
+ mcu_pio: [EMAIL PROTECTED] {
+ #gpio-cells = <1>;
+ compatible = "fsl,mc9s08qg8-mpc837xrdb",
+ "fsl,mcu-mpc837xrdb",
+ "simple-bus";
+ reg = <0x0a>;
+ gpio-controller;
+
+ [EMAIL PROTECTED] {
+ compatible = "fsl,mcu-mpc837xrdb-led2",
+ "gpio-led";
+ linux,name = "mcu2";
+ linux,active-low;
+ gpios = <&mcu_pio 0>;
+ };
+
+ [EMAIL PROTECTED] {
+ compatible = "fsl,mcu-mpc837xrdb-led1",
+ "gpio-led";
+ linux,name = "mcu1";
+ linux,active-low;
+ gpios = <&mcu_pio 1>;
+ };
+ };
};
[EMAIL PROTECTED] {
diff --git a/arch/powerpc/platforms/83xx/Kconfig
b/arch/powerpc/platforms/83xx/Kconfig
index a5f72bb..3dd4213 100644
--- a/arch/powerpc/platforms/83xx/Kconfig
+++ b/arch/powerpc/platforms/83xx/Kconfig
@@ -77,6 +77,8 @@ config MPC837x_RDB
bool "Freescale MPC837x RDB"
select DEFAULT_UIMAGE
select PPC_MPC837x
+ select GENERIC_GPIO
+ select HAVE_GPIO_LIB
help
This option enables support for the MPC837x RDB Board.
diff --git a/arch/powerpc/platforms/83xx/mpc837x_rdb.c
b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
index 2293ae5..c00356b 100644
--- a/arch/powerpc/platforms/83xx/mpc837x_rdb.c
+++ b/arch/powerpc/platforms/83xx/mpc837x_rdb.c
@@ -46,6 +46,7 @@ static void __init mpc837x_rdb_setup_arch(void)
static struct of_device_id mpc837x_ids[] = {
{ .type = "soc", },
{ .compatible = "soc", },
+ { .compatible = "simple-bus", },
{},
};
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index 7ad9bce..97a209a 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -410,6 +410,7 @@ static struct i2c_driver_device i2c_devices[] __initdata = {
{"dallas,ds1340", "rtc-ds1307", "ds1340",},
{"stm,m41t00", "rtc-ds1307", "m41t00"},
{"dallas,ds1374", "rtc-ds1374", "rtc-ds1374",},
+ {"fsl,mcu-mpc837xrdb", "mcu-mpc837xrdb", "mcu-mpc837xrdb"},
};
static int __init of_find_i2c_driver(struct device_node *node,
--
1.5.2.2
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