[PATCH 09/22] ARM: dts: aspeed: rainier: Add presence GPIOs

Eddie James eajames at linux.ibm.com
Tue Mar 30 02:00:07 AEDT 2021


From: Alpana Kumari <alpankum at in.ibm.com>

This commit adds presence detect GPIO chips for various FRUs on
Rainier. Also, correct the I2C address for the tca9554.

Signed-off-by: Alpana Kumari <alpankum at in.ibm.com>
Signed-off-by: Eddie James <eajames at linux.ibm.com>
---
 arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts | 169 ++++++++++++++++++-
 1 file changed, 160 insertions(+), 9 deletions(-)

diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
index 78238ffc8997..1d66dc995797 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts
@@ -1538,20 +1538,64 @@ eeprom at 51 {
 		reg = <0x51>;
 	};
 
-	tca9554 at 40 {
+	tca_pres1: tca9554 at 20{
 		compatible = "ti,tca9554";
-		reg = <0x40>;
+		reg = <0x20>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
 		gpio-controller;
 		#gpio-cells = <2>;
 
-		smbus0-hog {
-			gpio-hog;
-			gpios = <4 GPIO_ACTIVE_HIGH>;
-			output-high;
-			line-name = "smbus0";
+		gpio-line-names = "",
+			"RUSSEL_FW_I2C_ENABLE_N",
+			"RUSSEL_OPPANEL_PRESENCE_N",
+			"BLYTH_OPPANEL_PRESENCE_N",
+			"CPU_TPM_CARD_PRESENT_N",
+			"DASD_BP2_PRESENT_N",
+			"DASD_BP1_PRESENT_N",
+			"DASD_BP0_PRESENT_N";
+
+		gpio at 0 {
+			reg = <0>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 1 {
+			reg = <1>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 2 {
+			reg = <2>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 3 {
+			reg = <3>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 4 {
+			reg = <4>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 5 {
+			reg = <5>;
+			type = <PCA955X_TYPE_GPIO>;
 		};
-	};
 
+		gpio at 6 {
+			reg = <6>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 7 {
+			reg = <7>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+	};
 };
 
 &i2c1 {
@@ -1574,6 +1618,104 @@ power-supply at 69 {
 		compatible = "ibm,cffps";
 		reg = <0x69>;
 	};
+
+	pca_pres1: pca9552 at 61 {
+		compatible = "nxp,pca9552";
+		reg = <0x61>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		gpio-line-names =
+			"SLOT0_PRSNT_EN_RSVD", "SLOT1_PRSNT_EN_RSVD",
+			"SLOT2_PRSNT_EN_RSVD", "SLOT3_PRSNT_EN_RSVD",
+			"SLOT4_PRSNT_EN_RSVD", "SLOT0_EXPANDER_PRSNT_N",
+			"SLOT1_EXPANDER_PRSNT_N", "SLOT2_EXPANDER_PRSNT_N",
+			"SLOT3_EXPANDER_PRSNT_N", "SLOT4_EXPANDER_PRSNT_N",
+			"", "", "", "", "", "";
+
+		gpio at 0 {
+			reg = <0>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 1 {
+			reg = <1>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 2 {
+			reg = <2>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 3 {
+			reg = <3>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 4 {
+			reg = <4>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 5 {
+			reg = <5>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 6 {
+			reg = <6>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 7 {
+			reg = <7>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 8 {
+			reg = <8>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 9 {
+			reg = <9>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 10 {
+			reg = <10>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 11 {
+			reg = <11>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 12 {
+			reg = <12>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 13 {
+			reg = <13>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 14 {
+			reg = <14>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+
+		gpio at 15 {
+			reg = <15>;
+			type = <PCA955X_TYPE_GPIO>;
+		};
+	};
 };
 
 &i2c4 {
@@ -2423,7 +2565,7 @@ eeprom at 51 {
 		reg = <0x51>;
 	};
 
-	pca1: pca9552 at 61 {
+	pca_pres3: pca9552 at 61 {
 		compatible = "nxp,pca9552";
 		reg = <0x61>;
 		#address-cells = <1>;
@@ -2431,6 +2573,15 @@ pca1: pca9552 at 61 {
 		gpio-controller;
 		#gpio-cells = <2>;
 
+		gpio-line-names =
+			"SLOT6_PRSNT_EN_RSVD", "SLOT7_PRSNT_EN_RSVD",
+			"SLOT8_PRSNT_EN_RSVD", "SLOT9_PRSNT_EN_RSVD",
+			"SLOT10_PRSNT_EN_RSVD", "SLOT11_PRSNT_EN_RSVD",
+			"SLOT6_EXPANDER_PRSNT_N", "SLOT7_EXPANDER_PRSNT_N",
+			"SLOT8_EXPANDER_PRSNT_N", "SLOT9_EXPANDER_PRSNT_N",
+			"SLOT10_EXPANDER_PRSNT_N", "SLOT11_EXPANDER_PRSNT_N",
+			"", "", "", "";
+
 		gpio at 0 {
 			reg = <0>;
 			type = <PCA955X_TYPE_GPIO>;
-- 
2.27.0



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