[PATCH v1] ARM: dts: aspeed: mihawk: add aliases for i2c and add thermal sensor

From: Ben Pai
Date: Wed Jun 03 2020 - 05:31:54 EST

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1.Set the bus id for each mux channel to avoid switching channels
multiple times
2.Set smbus_en of IO expander to 1 in order to be able to read tmp401
sensor
3.Add 8 tmp401 thermal sensors

Signed-off-by: Ben Pai <Ben_Pai@xxxxxxxxxxx>
---
arch/arm/boot/dts/aspeed-bmc-opp-mihawk.dts | 449 +++++++++++++++++++-
1 file changed, 444 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-mihawk.dts b/arch/arm/boot/dts/aspeed-bmc-opp-mihawk.dts
index f7e935ede919..78451b283d93 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-mihawk.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-mihawk.dts
@@ -7,7 +7,52 @@
/ {
model = "Mihawk BMC";
compatible = "ibm,mihawk-bmc", "aspeed,ast2500";
-
+ aliases {
+ i2c215 = &bus6_mux215;
+ i2c216 = &bus6_mux216;
+ i2c217 = &bus6_mux217;
+ i2c218 = &bus6_mux218;
+ i2c219 = &bus6_mux219;
+ i2c220 = &bus6_mux220;
+ i2c221 = &bus6_mux221;
+ i2c222 = &bus6_mux222;
+ i2c223 = &bus7_mux223;
+ i2c224 = &bus7_mux224;
+ i2c225 = &bus7_mux225;
+ i2c226 = &bus7_mux226;
+ i2c227 = &bus7_mux227;
+ i2c228 = &bus7_mux228;
+ i2c229 = &bus7_mux229;
+ i2c230 = &bus7_mux230;
+ i2c231 = &bus9_mux231;
+ i2c232 = &bus9_mux232;
+ i2c233 = &bus9_mux233;
+ i2c234 = &bus9_mux234;
+ i2c235 = &bus9_mux235;
+ i2c236 = &bus9_mux236;
+ i2c237 = &bus9_mux237;
+ i2c238 = &bus9_mux238;
+ i2c239 = &bus10_mux239;
+ i2c240 = &bus10_mux240;
+ i2c241 = &bus10_mux241;
+ i2c242 = &bus10_mux242;
+ i2c243 = &bus10_mux243;
+ i2c244 = &bus10_mux244;
+ i2c245 = &bus10_mux245;
+ i2c246 = &bus10_mux246;
+ i2c247 = &bus12_mux247;
+ i2c248 = &bus12_mux248;
+ i2c249 = &bus12_mux249;
+ i2c250 = &bus12_mux250;
+ i2c251 = &bus13_mux251;
+ i2c252 = &bus13_mux252;
+ i2c253 = &bus13_mux253;
+ i2c254 = &bus13_mux254;
+ i2c255 = &bus13_mux255;
+ i2c256 = &bus13_mux256;
+ i2c257 = &bus13_mux257;
+ i2c258 = &bus13_mux258;
+ };

chosen {
stdout-path = &uart5;
@@ -630,6 +675,55 @@
#address-cells = <1>;
#size-cells = <0>;
reg = <0x70>;
+
+ bus6_mux215: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ bus6_mux216: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+
+ bus6_mux217: i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ bus6_mux218: i2c@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
+
+ bus6_mux219: i2c@4 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <4>;
+ };
+
+ bus6_mux220: i2c@5 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <5>;
+ };
+
+ bus6_mux221: i2c@6 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <6>;
+ };
+
+ bus6_mux222: i2c@7 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <7>;
+ };
+
};

};
@@ -644,6 +738,55 @@
#address-cells = <1>;
#size-cells = <0>;
reg = <0x70>;
+
+ bus7_mux223: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ bus7_mux224: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+
+ bus7_mux225: i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ bus7_mux226: i2c@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
+
+ bus7_mux227: i2c@4 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <4>;
+ };
+
+ bus7_mux228: i2c@5 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <5>;
+ };
+
+ bus7_mux229: i2c@6 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <6>;
+ };
+
+ bus7_mux230: i2c@7 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <7>;
+ };
+
};

};
@@ -684,6 +827,68 @@
i2c-mux-idle-disconnect;
interrupt-controller;
#interrupt-cells = <2>;
+
+ bus9_mux231: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ tca9554@39 {
+ compatible = "ti,tca9554";
+ reg = <0x39>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ smbus0 {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "smbus0";
+ };
+ };
+
+ tmp431@4c {
+ compatible = "ti,tmp401";
+ reg = <0x4c>;
+ };
+ };
+
+ bus9_mux232: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ tca9554@39 {
+ compatible = "ti,tca9554";
+ reg = <0x39>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ smbus1 {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "smbus1";
+ };
+ };
+
+ tmp431@4c {
+ compatible = "ti,tmp401";
+ reg = <0x4c>;
+ };
+ };
+
+ bus9_mux233: i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ bus9_mux234: i2c@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
};

pca9545@71 {
@@ -695,6 +900,68 @@
i2c-mux-idle-disconnect;
interrupt-controller;
#interrupt-cells = <2>;
+
+ bus9_mux235: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ tca9554@39 {
+ compatible = "ti,tca9554";
+ reg = <0x39>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ smbus2 {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "smbus2";
+ };
+ };
+
+ tmp431@4c {
+ compatible = "ti,tmp401";
+ reg = <0x4c>;
+ };
+ };
+
+ bus9_mux236: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ tca9554@39 {
+ compatible = "ti,tca9554";
+ reg = <0x39>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ smbus3 {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "smbus3";
+ };
+ };
+
+ tmp431@4c {
+ compatible = "ti,tmp401";
+ reg = <0x4c>;
+ };
+ };
+
+ bus9_mux237: i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ bus9_mux238: i2c@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
};
};

@@ -725,6 +992,68 @@
i2c-mux-idle-disconnect;
interrupt-controller;
#interrupt-cells = <2>;
+
+ bus10_mux239: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ tca9554@39 {
+ compatible = "ti,tca9554";
+ reg = <0x39>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ smbus4 {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "smbus4";
+ };
+ };
+
+ tmp431@4c {
+ compatible = "ti,tmp401";
+ reg = <0x4c>;
+ };
+ };
+
+ bus10_mux240: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ tca9554@39 {
+ compatible = "ti,tca9554";
+ reg = <0x39>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ smbus5 {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "smbus5";
+ };
+ };
+
+ tmp431@4c {
+ compatible = "ti,tmp401";
+ reg = <0x4c>;
+ };
+ };
+
+ bus10_mux241: i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ bus10_mux242: i2c@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
};

pca9545@71 {
@@ -736,6 +1065,68 @@
i2c-mux-idle-disconnect;
interrupt-controller;
#interrupt-cells = <2>;
+
+ bus10_mux243: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ tca9554@39 {
+ compatible = "ti,tca9554";
+ reg = <0x39>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ smbus6 {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "smbus6";
+ };
+ };
+
+ tmp431@4c {
+ compatible = "ti,tmp401";
+ reg = <0x4c>;
+ };
+ };
+
+ bus10_mux244: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ tca9554@39 {
+ compatible = "ti,tca9554";
+ reg = <0x39>;
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ smbus7 {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-high;
+ line-name = "smbus7";
+ };
+ };
+
+ tmp431@4c {
+ compatible = "ti,tmp401";
+ reg = <0x4c>;
+ };
+ };
+
+ bus10_mux245: i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ bus10_mux246: i2c@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
};
};

@@ -796,7 +1187,7 @@
interrupt-controller;
#interrupt-cells = <2>;

- i2c@0 {
+ bus12_mux247: i2c@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
@@ -807,7 +1198,7 @@
};
};

- i2c@1 {
+ bus12_mux248: i2c@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
@@ -818,7 +1209,7 @@
};
};

- i2c@2 {
+ bus12_mux249: i2c@2 {
#address-cells = <1>;
#size-cells = <0>;
reg = <2>;
@@ -829,7 +1220,7 @@
};
};

- i2c@3 {
+ bus12_mux250: i2c@3 {
#address-cells = <1>;
#size-cells = <0>;
reg = <3>;
@@ -857,6 +1248,54 @@
#address-cells = <1>;
#size-cells = <0>;
reg = <0x70>;
+
+ bus13_mux251: i2c@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ };
+
+ bus13_mux252: i2c@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ };
+
+ bus13_mux253: i2c@2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <2>;
+ };
+
+ bus13_mux254: i2c@3 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <3>;
+ };
+
+ bus13_mux255: i2c@4 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <4>;
+ };
+
+ bus13_mux256: i2c@5 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <5>;
+ };
+
+ bus13_mux257: i2c@6 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <6>;
+ };
+
+ bus13_mux258: i2c@7 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <7>;
+ };
};
};

--
2.17.1

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