mpc837xrdb: add support for MCU
PATCH 5/5 mpc837xrdb: add support for MCU
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(-)
arch/powerpc/boot/dts/mpc8377_rdb.dts +25 -1
@@ -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: mcu@0a { + #gpio-cells = <1>; + compatible = "fsl,mc9s08qg8-mpc837xrdb", + "fsl,mcu-mpc837xrdb", + "simple-bus"; + reg = <0x0a>; + gpio-controller; + + led@0 { + compatible = "fsl,mcu-mpc837xrdb-led2", + "gpio-led"; + linux,name = "mcu2"; + linux,active-low; + gpios = <&mcu_pio 0>; + }; + + led@1 { + compatible = "fsl,mcu-mpc837xrdb-led1", + "gpio-led"; + linux,name = "mcu1"; + linux,active-low; + gpios = <&mcu_pio 1>; + }; + }; }; i2c@3100 {
arch/powerpc/boot/dts/mpc8378_rdb.dts +25 -1
@@ -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: mcu@0a { + #gpio-cells = <1>; + compatible = "fsl,mc9s08qg8-mpc837xrdb", + "fsl,mcu-mpc837xrdb", + "simple-bus"; + reg = <0x0a>; + gpio-controller; + + led@0 { + compatible = "fsl,mcu-mpc837xrdb-led2", + "gpio-led"; + linux,name = "mcu2"; + linux,active-low; + gpios = <&mcu_pio 0>; + }; + + led@1 { + compatible = "fsl,mcu-mpc837xrdb-led1", + "gpio-led"; + linux,name = "mcu1"; + linux,active-low; + gpios = <&mcu_pio 1>; + }; + }; }; i2c@3100 {
arch/powerpc/boot/dts/mpc8379_rdb.dts +25 -1
@@ -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: mcu@0a { + #gpio-cells = <1>; + compatible = "fsl,mc9s08qg8-mpc837xrdb", + "fsl,mcu-mpc837xrdb", + "simple-bus"; + reg = <0x0a>; + gpio-controller; + + led@0 { + compatible = "fsl,mcu-mpc837xrdb-led2", + "gpio-led"; + linux,name = "mcu2"; + linux,active-low; + gpios = <&mcu_pio 0>; + }; + + led@1 { + compatible = "fsl,mcu-mpc837xrdb-led1", + "gpio-led"; + linux,name = "mcu1"; + linux,active-low; + gpios = <&mcu_pio 1>; + }; + }; }; i2c@3100 {
arch/powerpc/platforms/83xx/Kconfig +2 -0
@@ -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.
arch/powerpc/platforms/83xx/mpc837x_rdb.c +1 -0
@@ -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" , }, {}, };
arch/powerpc/sysdev/fsl_soc.c +1 -0
@@ -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,
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1.5.2.2