diff mbox series

[v1,5/8] ARM: dts: aspeed: System1: Voltage regulators

Message ID 20231212164004.1683589-6-ninad@linux.ibm.com
State New
Headers show
Series Add device tree for IBM system1 BMC | expand

Commit Message

Ninad Palsule Dec. 12, 2023, 4:40 p.m. UTC 
This commit adds different voltage regulators.

Tested:
    This board is tested using the simics simulator.

Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
---
 .../dts/aspeed/aspeed-bmc-ibm-system1.dts     | 266 ++++++++++++++++++
 1 file changed, 266 insertions(+)

Comments

Krzysztof Kozlowski Dec. 12, 2023, 8:22 p.m. UTC | #1 
On 12/12/2023 17:40, Ninad Palsule wrote:
> This commit adds different voltage regulators.
> 
> Tested:
>     This board is tested using the simics simulator.
> 
> Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
> ---
>  .../dts/aspeed/aspeed-bmc-ibm-system1.dts     | 266 ++++++++++++++++++

Squash it.

>  1 file changed, 266 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
> index 0557bff9f36a..b8e7e52d4600 100644
> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
> @@ -114,10 +114,127 @@ vga_memory: region@bf000000 {
>  		};
>  	};
>  
> +	iio-hwmon {
> +		compatible = "iio-hwmon";
> +		io-channels = <&p12v_vd 0>, <&p5v_aux_vd 0>,
> +			<&p5v_bmc_aux_vd 0>, <&p3v3_aux_vd 0>,
> +			<&p3v3_bmc_aux_vd 0>, <&p1v8_bmc_aux_vd 0>,
> +			<&adc1 4>, <&adc0 2>, <&adc1 0>,
> +			<&p2V5_aux_vd 0>, <&adc1 7>;
> +	};
> +
> +	p12v_vd: voltage_divider1 {

Same comments as in other patches.

> +		compatible = "voltage-divider";
> +		io-channels = <&adc1 3>;
> +		#io-channel-cells = <1>;
> +
> +		/* Scale the system voltage by 1127/127 to fit the ADC range.

Use Linux coding style comments. /* and blank line


....

Best regards,
Krzysztof
Ninad Palsule Dec. 14, 2023, 4:30 p.m. UTC | #2 
Hello Krzysztof,

On 12/12/23 14:22, Krzysztof Kozlowski wrote:
> On 12/12/2023 17:40, Ninad Palsule wrote:
>> This commit adds different voltage regulators.
>>
>> Tested:
>>      This board is tested using the simics simulator.
>>
>> Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
>> ---
>>   .../dts/aspeed/aspeed-bmc-ibm-system1.dts     | 266 ++++++++++++++++++
> Squash it.
Done.
>
>>   1 file changed, 266 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
>> index 0557bff9f36a..b8e7e52d4600 100644
>> --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
>> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
>> @@ -114,10 +114,127 @@ vga_memory: region@bf000000 {
>>   		};
>>   	};
>>   
>> +	iio-hwmon {
>> +		compatible = "iio-hwmon";
>> +		io-channels = <&p12v_vd 0>, <&p5v_aux_vd 0>,
>> +			<&p5v_bmc_aux_vd 0>, <&p3v3_aux_vd 0>,
>> +			<&p3v3_bmc_aux_vd 0>, <&p1v8_bmc_aux_vd 0>,
>> +			<&adc1 4>, <&adc0 2>, <&adc1 0>,
>> +			<&p2V5_aux_vd 0>, <&adc1 7>;
>> +	};
>> +
>> +	p12v_vd: voltage_divider1 {
> Same comments as in other patches.
Fixed.
>
>> +		compatible = "voltage-divider";
>> +		io-channels = <&adc1 3>;
>> +		#io-channel-cells = <1>;
>> +
>> +		/* Scale the system voltage by 1127/127 to fit the ADC range.
> Use Linux coding style comments. /* and blank line

Fixed.

Thanks for the review.

Regards,

Ninad

>
>
> ....
>
> Best regards,
> Krzysztof
>
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
index 0557bff9f36a..b8e7e52d4600 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
@@ -114,10 +114,127 @@  vga_memory: region@bf000000 {
 		};
 	};
 
+	iio-hwmon {
+		compatible = "iio-hwmon";
+		io-channels = <&p12v_vd 0>, <&p5v_aux_vd 0>,
+			<&p5v_bmc_aux_vd 0>, <&p3v3_aux_vd 0>,
+			<&p3v3_bmc_aux_vd 0>, <&p1v8_bmc_aux_vd 0>,
+			<&adc1 4>, <&adc0 2>, <&adc1 0>,
+			<&p2V5_aux_vd 0>, <&adc1 7>;
+	};
+
+	p12v_vd: voltage_divider1 {
+		compatible = "voltage-divider";
+		io-channels = <&adc1 3>;
+		#io-channel-cells = <1>;
+
+		/* Scale the system voltage by 1127/127 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <15>;
+		full-ohms = <133>;
+	};
+
+	p5v_aux_vd: voltage_divider2 {
+		compatible = "voltage-divider";
+		io-channels = <&adc1 5>;
+		#io-channel-cells = <1>;
+
+		/* Scale the system voltage by 1365/365 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <50>;
+		full-ohms = <187>;
+	};
+
+	p5v_bmc_aux_vd: voltage_divider3 {
+		compatible = "voltage-divider";
+		io-channels = <&adc0 3>;
+		#io-channel-cells = <1>;
+
+		/* Scale the system voltage by 1365/365 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <50>;
+		full-ohms = <187>;
+	};
+
+	p3v3_aux_vd: voltage_divider4 {
+		compatible = "voltage-divider";
+		io-channels = <&adc1 2>;
+		#io-channel-cells = <1>;
+
+		/* Scale the system voltage by 1698/698 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <14>;
+		full-ohms = <34>;
+	};
+
+	p3v3_bmc_aux_vd: voltage_divider5 {
+		compatible = "voltage-divider";
+		io-channels = <&adc0 7>;
+		#io-channel-cells = <1>;
+
+		/* Scale the system voltage by 1698/698 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <14>;
+		full-ohms = <34>;
+	};
+
+	p1v8_bmc_aux_vd: voltage_divider6 {
+		compatible = "voltage-divider";
+		io-channels = <&adc0 6>;
+		#io-channel-cells = <1>;
+
+		/* Scale the system voltage by 4000/3000 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <3>;
+		full-ohms = <4>;
+	};
+
+	p2V5_aux_vd: voltage_divider7 {
+		compatible = "voltage-divider";
+		io-channels = <&adc1 1>;
+		#io-channel-cells = <1>;
+
+		/* Scale the system voltage by 2100/1100 to fit the ADC range.
+		 * Use small nominator to prevent integer overflow.
+		 */
+		output-ohms = <11>;
+		full-ohms = <21>;
+	};
+
+	p1v8_bmc_aux: fixedregulator-p1v8_bmc_aux {
+		compatible = "regulator-fixed";
+		regulator-name = "p1v8_bmc_aux";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
+	};
+};
+
+&adc0 {
+	status = "okay";
+	vref-supply = <&p1v8_bmc_aux>;
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_adc0_default
+		&pinctrl_adc1_default
+		&pinctrl_adc2_default
+		&pinctrl_adc3_default
+		&pinctrl_adc4_default
+		&pinctrl_adc5_default
+		&pinctrl_adc6_default
+		&pinctrl_adc7_default>;
 };
 
 &adc1 {
 	status = "okay";
+	vref-supply = <&p1v8_bmc_aux>;
+	aspeed,battery-sensing;
 
 	aspeed,int-vref-microvolt = <2500000>;
 	pinctrl-names = "default";
@@ -250,10 +367,32 @@  &kcs3 {
 
 &i2c0 {
 	status = "okay";
+
+	regulator@60 {
+		compatible = "maxim,max8952";
+		reg = <0x60>;
+
+		max8952,default-mode = <0>;
+		max8952,dvs-mode-microvolt = <1250000>, <1200000>,
+						<1050000>, <950000>;
+		max8952,sync-freq = <0>;
+		max8952,ramp-speed = <0>;
+
+		regulator-name = "VR_1.0V";
+		regulator-min-microvolt = <770000>;
+		regulator-max-microvolt = <1400000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
 };
 
 &i2c1 {
 	status = "okay";
+
+	regulator@42 {
+		compatible = "infineon,ir38263";
+		reg = <0x42>;
+	};
 };
 
 &i2c2 {
@@ -327,6 +466,21 @@  &i2c4 {
 
 &i2c5 {
 	status = "okay";
+
+	regulator@3a {
+		compatible = "maxim,max5970";
+		reg = <0x3a>;
+	};
+
+	regulator@42 {
+		compatible = "infineon,ir38263";
+		reg = <0x42>;
+	};
+
+	regulator@43 {
+		compatible = "infineon,ir38060";
+		reg = <0x43>;
+	};
 };
 
 &i2c6 {
@@ -423,6 +577,11 @@  i2c7mux0chn3: i2c@3 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <3>;
+
+			regulator@58 {
+				compatible = "mps,mp2973";
+				reg = <0x58>;
+			};
 		};
 
 		i2c7mux0chn4: i2c@4 {
@@ -435,6 +594,11 @@  i2c7mux0chn5: i2c@5 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <5>;
+
+			regulator@40 {
+				compatible = "infineon,tda38640";
+				reg = <0x40>;
+			};
 		};
 
 		i2c7mux0chn6: i2c@6 {
@@ -466,12 +630,37 @@  i2c8mux0chn0: i2c@0 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0>;
+
+			regulator@58 {
+				compatible = "mps,mp2971";
+				reg = <0x58>;
+			};
 		};
 
 		i2c8mux0chn1: i2c@1 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <1>;
+
+			regulator@40 {
+				compatible = "infineon,tda38640";
+				reg = <0x40>;
+			};
+
+			regulator@41 {
+				compatible = "infineon,tda38640";
+				reg = <0x41>;
+			};
+
+			regulator@58 {
+				compatible = "mps,mp2971";
+				reg = <0x58>;
+			};
+
+			regulator@5b {
+				compatible = "mps,mp2971";
+				reg = <0x5b>;
+			};
 		};
 
 		i2c8mux0chn2: i2c@2 {
@@ -565,12 +754,44 @@  i2c8mux0chn7: i2c@7 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <7>;
+
+			regulator@40 {
+				compatible = "infineon,ir38060";
+				reg = <0x40>;
+			};
 		};
 	};
 };
 
 &i2c9 {
 	status = "okay";
+
+	regulator@40 {
+		compatible = "infineon,ir38263";
+		reg = <0x40>;
+	};
+
+	regulator@41 {
+		compatible = "infineon,ir38263";
+		reg = <0x41>;
+	};
+
+	regulator@60 {
+		compatible = "maxim,max8952";
+		reg = <0x60>;
+
+		max8952,default-mode = <0>;
+		max8952,dvs-mode-microvolt = <1250000>, <1200000>,
+						<1050000>, <950000>;
+		max8952,sync-freq = <0>;
+		max8952,ramp-speed = <0>;
+
+		regulator-name = "VR_1.2V";
+		regulator-min-microvolt = <770000>;
+		regulator-max-microvolt = <1400000>;
+		regulator-always-on;
+		regulator-boot-on;
+	};
 };
 
 &i2c11 {
@@ -583,6 +804,11 @@  &i2c12 {
 
 &i2c13 {
 	status = "okay";
+
+	regulator@41 {
+		compatible = "infineon,ir38263";
+		reg = <0x41>;
+	};
 };
 
 &i2c14 {
@@ -618,6 +844,11 @@  i2c14mux0chn3: i2c@3 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <3>;
+
+			regulator@58 {
+				compatible = "mps,mp2973";
+				reg = <0x58>;
+			};
 		};
 
 		i2c14mux0chn4: i2c@4 {
@@ -630,6 +861,11 @@  i2c14mux0chn5: i2c@5 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <5>;
+
+			regulator@40 {
+				compatible = "infineon,tda38640";
+				reg = <0x40>;
+			};
 		};
 
 		i2c14mux0chn6: i2c@6 {
@@ -661,12 +897,37 @@  i2c15mux0chn0: i2c@0 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <0>;
+
+			regulator@58 {
+				compatible = "mps,mp2971";
+				reg = <0x58>;
+			};
 		};
 
 		i2c15mux0chn1: i2c@1 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <1>;
+
+			regulator@40 {
+				compatible = "infineon,tda38640";
+				reg = <0x40>;
+			};
+
+			regulator@41 {
+				compatible = "infineon,tda38640";
+				reg = <0x41>;
+			};
+
+			regulator@58 {
+				compatible = "mps,mp2971";
+				reg = <0x58>;
+			};
+
+			regulator@5b {
+				compatible = "mps,mp2971";
+				reg = <0x5b>;
+			};
 		};
 
 		i2c15mux0chn2: i2c@2 {
@@ -760,6 +1021,11 @@  i2c15mux0chn7: i2c@7 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <7>;
+
+			regulator@40 {
+				compatible = "infineon,ir38060";
+				reg = <0x40>;
+			};
 		};
 	};
 };