[PATCH v2 10/17] board: cssi: add support for reading temperature

[Christophe Leroy]

All CSSI boards have an LM74 chip as temperature sensor.

Enable it.

Signed-off-by: Christophe Leroy <christophe.leroy at csgroup.eu>
---
 arch/powerpc/dts/cmpc885.dts | 12 +++++++++++-
 arch/powerpc/dts/cmpcpro.dts | 12 +++++++++++-
 arch/powerpc/dts/mcr3000.dts |  6 ++++++
 configs/CMPC885_defconfig    |  3 +++
 configs/CMPCPRO_defconfig    |  3 +++
 configs/MCR3000_defconfig    |  3 +++
 6 files changed, 37 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/dts/cmpc885.dts b/arch/powerpc/dts/cmpc885.dts
index 9a33e7e77c..454ceb91ca 100644
--- a/arch/powerpc/dts/cmpc885.dts
+++ b/arch/powerpc/dts/cmpc885.dts
@@ -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 at 0 {
 				reg = <0>;
 				compatible = "atmel,at25", "cs,eeprom";
 			};
+			temp at 1 {
+				reg = <1>;
+				compatible = "ti,lm74";
+			};
+			temp at 2 {
+				reg = <2>;
+				compatible = "ti,lm74";
+			};
 		};
 	};
 };
diff --git a/arch/powerpc/dts/cmpcpro.dts b/arch/powerpc/dts/cmpcpro.dts
index 78f8a9f4d3..1dfa864ebb 100644
--- a/arch/powerpc/dts/cmpcpro.dts
+++ b/arch/powerpc/dts/cmpcpro.dts
@@ -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 at 0 {
 				reg = <0>;
 				compatible = "atmel,at25", "cs,eeprom";
 			};
+			temp at 1 {
+				reg = <1>;
+				compatible = "ti,lm74";
+			};
+			temp at 2 {
+				reg = <2>;
+				compatible = "ti,lm74";
+			};
 		};
 		eth0: ucc at 3000 {
 			device_type = "network";
diff --git a/arch/powerpc/dts/mcr3000.dts b/arch/powerpc/dts/mcr3000.dts
index edcd8358d0..f678951e22 100644
--- a/arch/powerpc/dts/mcr3000.dts
+++ b/arch/powerpc/dts/mcr3000.dts
@@ -33,6 +33,12 @@
 			#size-cells = <0>;
 			cell-index = <0>;
 			compatible = "fsl,mpc8xx-spi";
+			gpios = <&csspi 2 0>;
+
+			temp at 0 {
+				reg = <0>;
+				compatible = "ti,lm74";
+			};
 		};
 	};
 
diff --git a/configs/CMPC885_defconfig b/configs/CMPC885_defconfig
index bbe8d5be7e..11c24f72a8 100644
--- a/configs/CMPC885_defconfig
+++ b/configs/CMPC885_defconfig
@@ -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
diff --git a/configs/CMPCPRO_defconfig b/configs/CMPCPRO_defconfig
index cefed63f24..f8f5c9fd86 100644
--- a/configs/CMPCPRO_defconfig
+++ b/configs/CMPCPRO_defconfig
@@ -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
diff --git a/configs/MCR3000_defconfig b/configs/MCR3000_defconfig
index ce34c2aa88..f2eac2c544 100644
--- a/configs/MCR3000_defconfig
+++ b/configs/MCR3000_defconfig
@@ -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
-- 
2.43.0