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board: cssi: add support for reading temperature

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All CSSI boards have an LM74 chip as temperature sensor.

Enable it.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
This commit is contained in:
Christophe Leroy 2024-04-02 19:22:24 +02:00
parent c58074af2e
commit 57eb454392
6 changed files with 37 additions and 2 deletions
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12
arch/powerpc/dts/cmpc885.dts
View file

@ -85,12 +85,22 @@
#address-cells = <1>;
#size-cells = <0>;
compatible = "fsl,mpc8xx-spi";
gpios = <&CPM1_PIO_B 21 1>; /* /EEPROM_CS ACTIVE_LOW */
gpios = <&CPM1_PIO_B 21 1 /* /EEPROM_CS ACTIVE_LOW */
&CPM1_PIO_B 23 1 /* Temperature mother board */
&CPM1_PIO_B 14 1>; /* Temperature CPU board */
eeprom@0 {
reg = <0>;
compatible = "atmel,at25", "cs,eeprom";
};
temp@1 {
reg = <1>;
compatible = "ti,lm74";
};
temp@2 {
reg = <2>;
compatible = "ti,lm74";
};
};
};
};

12
arch/powerpc/dts/cmpcpro.dts
View file

@ -140,12 +140,22 @@
compatible = "fsl,mpc832x-spi";
reg = <0x4c0 0x40>;
mode = "cpu";
gpios = <&qe_pio_d 3 1>;
gpios = <&qe_pio_d 3 1
&qe_pio_c 5 1 /* TEMP mother board */
&qe_pio_c 3 1>; /* TEMP CPU board */
clock-frequency = <0>;
eeprom@0 {
reg = <0>;
compatible = "atmel,at25", "cs,eeprom";
};
temp@1 {
reg = <1>;
compatible = "ti,lm74";
};
temp@2 {
reg = <2>;
compatible = "ti,lm74";
};
};
eth0: ucc@3000 {
device_type = "network";

6
arch/powerpc/dts/mcr3000.dts
View file

@ -33,6 +33,12 @@
#size-cells = <0>;
cell-index = <0>;
compatible = "fsl,mpc8xx-spi";
gpios = <&csspi 2 0>;
temp@0 {
reg = <0>;
compatible = "ti,lm74";
};
};
};

3
configs/CMPC885_defconfig
View file

@ -50,6 +50,7 @@ CONFIG_CMD_ASKENV=y
# CONFIG_CMD_LOADS is not set
CONFIG_CMD_MTD=y
CONFIG_CMD_NAND=y
CONFIG_CMD_TEMPERATURE=y
CONFIG_CMD_DHCP=y
CONFIG_CMD_MII=y
CONFIG_MII_INIT=y
@ -107,6 +108,8 @@ CONFIG_DM_SERIAL=y
CONFIG_SPI=y
CONFIG_DM_SPI=y
CONFIG_MPC8XX_SPI=y
CONFIG_DM_THERMAL=y
CONFIG_TI_LM74_THERMAL=y
CONFIG_WDT=y
CONFIG_WDT_MPC8xxx_BME=y
# CONFIG_REGEX is not set

3
configs/CMPCPRO_defconfig
View file

@ -134,6 +134,7 @@ CONFIG_CMD_ASKENV=y
# CONFIG_CMD_LOADS is not set
CONFIG_CMD_MTD=y
CONFIG_CMD_NAND=y
CONFIG_CMD_TEMPERATURE=y
CONFIG_CMD_DHCP=y
CONFIG_BOOTP_BOOTFILESIZE=y
CONFIG_CMD_MII=y
@ -197,6 +198,8 @@ CONFIG_DM_SPI=y
CONFIG_MPC8XXX_SPI=y
CONFIG_SYSRESET=y
CONFIG_SYSRESET_MPC83XX=y
CONFIG_DM_THERMAL=y
CONFIG_TI_LM74_THERMAL=y
CONFIG_WDT=y
CONFIG_WDT_MPC8xxx=y
# CONFIG_REGEX is not set

3
configs/MCR3000_defconfig
View file

@ -47,6 +47,7 @@ CONFIG_CMD_ASKENV=y
# CONFIG_CMD_LOADS is not set
CONFIG_CMD_MTD=y
CONFIG_CMD_NAND=y
CONFIG_CMD_TEMPERATURE=y
# CONFIG_CMD_ECHO is not set
# CONFIG_CMD_ITEST is not set
# CONFIG_CMD_SOURCE is not set
@ -107,6 +108,8 @@ CONFIG_DM_SERIAL=y
CONFIG_SPI=y
CONFIG_DM_SPI=y
CONFIG_MPC8XX_SPI=y
CONFIG_DM_THERMAL=y
CONFIG_TI_LM74_THERMAL=y
CONFIG_WDT=y
CONFIG_WDT_MPC8xxx_BME=y
CONFIG_LZMA=y