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From:   Ninad Palsule <ninad@linux.ibm.com>
To:     robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        conor+dt@kernel.org, joel@jms.id.au, andrew@codeconstruct.com.au,
        peterhuewe@gmx.de, jarkko@kernel.org, jgg@ziepe.ca,
        keescook@chromium.org, tony.luck@intel.com, gpiccoli@igalia.com,
        ninad@linux.ibm.com, johannes.holland@infineon.com,
        linux@roeck-us.net, broonie@kernel.org
Cc:     patrick.rudolph@9elements.com, vincent@vtremblay.dev,
        peteryin.openbmc@gmail.com, lakshmiy@us.ibm.com,
        bhelgaas@google.com, naresh.solanki@9elements.com,
        alexander.stein@ew.tq-group.com, festevam@denx.de,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org,
        linux-integrity@vger.kernel.org, linux-hardening@vger.kernel.org,
        geissonator@yahoo.com
Subject: [PATCH v1 6/8] ARM: dts: aspeed: System1: GPIO, Fan ctrl, Led
Date:   Tue, 12 Dec 2023 10:40:02 -0600
Message-Id: <20231212164004.1683589-7-ninad@linux.ibm.com>
In-Reply-To: <20231212164004.1683589-1-ninad@linux.ibm.com>
References: <20231212164004.1683589-1-ninad@linux.ibm.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

This commit adds following devices to the device tree.
- GPIO pin assignements, GPIO expansion devices
- LED brinker devices
- Fan controllers

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     | 547 +++++++++++++++++-
 1 file changed, 542 insertions(+), 5 deletions(-)

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 b8e7e52d4600..75562aa63701 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
@@ -114,6 +114,99 @@ vga_memory: region@bf000000 {
 		};
 	};
 
+	leds {
+		compatible = "gpio-leds";
+
+		bmc-ready {
+			gpios = <&gpio0 ASPEED_GPIO(L, 7) GPIO_ACTIVE_HIGH>;
+		};
+
+		bmc-hb {
+			gpios = <&gpio0 ASPEED_GPIO(P, 7) GPIO_ACTIVE_HIGH>;
+		};
+
+		rear-enc-fault0 {
+			gpios = <&gpio0 ASPEED_GPIO(S, 6) GPIO_ACTIVE_HIGH>;
+		};
+
+		rear-enc-id0 {
+			gpios = <&gpio0 ASPEED_GPIO(S, 7) GPIO_ACTIVE_HIGH>;
+		};
+
+		fan0-fault-led {
+			gpios = <&pca3 5 GPIO_ACTIVE_LOW>;
+		};
+
+		fan1-fault-led {
+			gpios = <&pca3 6 GPIO_ACTIVE_LOW>;
+		};
+
+		fan2-fault-led {
+			gpios = <&pca3 7 GPIO_ACTIVE_LOW>;
+		};
+
+		fan3-fault-led {
+			gpios = <&pca3 8 GPIO_ACTIVE_LOW>;
+		};
+
+		fan4-fault-led {
+			gpios = <&pca3 9 GPIO_ACTIVE_LOW>;
+		};
+
+		fan5-fault-led {
+			gpios = <&pca3 10 GPIO_ACTIVE_LOW>;
+		};
+
+		fan6-fault-led {
+			gpios = <&pca3 11 GPIO_ACTIVE_LOW>;
+		};
+
+		nvmed0-fault-led {
+			gpios = <&pca4 4 GPIO_ACTIVE_HIGH>;
+		};
+
+		nvmed1-fault-led {
+			gpios = <&pca4 5 GPIO_ACTIVE_HIGH>;
+		};
+
+		nvmed2-fault-led {
+			gpios = <&pca4 6 GPIO_ACTIVE_HIGH>;
+		};
+
+		nvmed3-fault-led {
+			gpios = <&pca4 7 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	gpio-keys-polled {
+		compatible = "gpio-keys-polled";
+		poll-interval = <1000>;
+
+		event-nvme0-presence {
+			label = "nvme0-presence";
+			gpios = <&pca4 0 GPIO_ACTIVE_LOW>;
+			linux,code = <0>;
+		};
+
+		event-nvme1-presence {
+			label = "nvme1-presence";
+			gpios = <&pca4 1 GPIO_ACTIVE_LOW>;
+			linux,code = <1>;
+		};
+
+		event-nvme2-presence {
+			label = "nvme2-presence";
+			gpios = <&pca4 2 GPIO_ACTIVE_LOW>;
+			linux,code = <2>;
+		};
+
+		event-nvme3-presence {
+			label = "nvme3-presence";
+			gpios = <&pca4 3 GPIO_ACTIVE_LOW>;
+			linux,code = <3>;
+		};
+	};
+
 	iio-hwmon {
 		compatible = "iio-hwmon";
 		io-channels = <&p12v_vd 0>, <&p5v_aux_vd 0>,
@@ -259,7 +352,7 @@ &uhci {
 &gpio0 {
 	gpio-line-names =
 	/*A0-A7*/	"","","","","","","","",
-	/*B0-B7*/	"","","","","","","","",
+	/*B0-B7*/	"","","","","bmc-tpm-reset","","","",
 	/*C0-C7*/	"","","","","","","","",
 	/*D0-D7*/	"","","","","","","","",
 	/*E0-E7*/	"","","","","","","","",
@@ -269,17 +362,17 @@ &gpio0 {
 	/*I0-I7*/	"","","","","","","","",
 	/*J0-J7*/	"","","","","","","","",
 	/*K0-K7*/	"","","","","","","","",
-	/*L0-L7*/	"","","","","","","","",
+	/*L0-L7*/	"","","","","","","","bmc-ready",
 	/*M0-M7*/	"","","","","","","","",
 	/*N0-N7*/	"","","","","","","","",
 	/*O0-O7*/	"","","","","","","","",
-	/*P0-P7*/	"","","","","","","","",
+	/*P0-P7*/	"","","","","","","","bmc-hb",
 	/*Q0-Q7*/	"","","","","","","","",
 	/*R0-R7*/	"","","","","","","","",
-	/*S0-S7*/	"","","","","","","","",
+	/*S0-S7*/	"","","","","","","rear-enc-fault0","rear-enc-id0",
 	/*T0-T7*/	"","","","","","","","",
 	/*U0-U7*/	"","","","","","","","",
-	/*V0-V7*/	"","","","power-chassis-control","","","","",
+	/*V0-V7*/	"","rtc-battery-voltage-read-enable","","power-chassis-control","","","","",
 	/*W0-W7*/	"","","","","","","","",
 	/*X0-X7*/	"","power-chassis-good","","","","","","",
 	/*Y0-Y7*/	"","","","","","","","",
@@ -393,6 +486,171 @@ regulator@42 {
 		compatible = "infineon,ir38263";
 		reg = <0x42>;
 	};
+
+	led-controller@60 {
+		compatible = "nxp,pca9552";
+		reg = <0x60>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		led@0 {
+			label = "nic1-perst";
+			reg = <0>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@1 {
+			label = "bmc-perst";
+			reg = <1>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@2 {
+			label = "reset-M2-SSD1-2-perst";
+			reg = <2>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@3 {
+			label = "pcie-perst1";
+			reg = <3>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@4 {
+			label = "pcie-perst2";
+			reg = <4>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@5 {
+			label = "pcie-perst3";
+			reg = <5>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@6 {
+			label = "pcie-perst4";
+			reg = <6>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@7 {
+			label = "pcie-perst5";
+			reg = <7>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@8 {
+			label = "pcie-perst6";
+			reg = <8>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@9 {
+			label = "pcie-perst7";
+			reg = <9>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@10 {
+			label = "pcie-perst8";
+			reg = <10>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@11 {
+			label = "PV-cp0-sw1stk4-perst";
+			reg = <11>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@12 {
+			label = "PV-cp0-sw1stk5-perst";
+			reg = <12>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@13 {
+			label = "pe-cp-drv0-perst";
+			reg = <13>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@14 {
+			label = "pe-cp-drv1-perst";
+			reg = <14>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@15 {
+			label = "lom-perst";
+			reg = <15>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+	};
+
+	pca0: pca9539@74 {
+		compatible = "nxp,pca9539";
+		reg = <0x74>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		gpio-line-names =
+			"PLUG_DETECT_PCIE_J101_N",
+			"PLUG_DETECT_PCIE_J102_N",
+			"PLUG_DETECT_PCIE_J103_N",
+			"PLUG_DETECT_PCIE_J104_N",
+			"PLUG_DETECT_PCIE_J105_N",
+			"PLUG_DETECT_PCIE_J106_N",
+			"PLUG_DETECT_PCIE_J107_N",
+			"PLUG_DETECT_PCIE_J108_N",
+			"PLUG_DETECT_M2_SSD1_N",
+			"PLUG_DETECT_NIC1_N",
+			"SEL_SMB_DIMM_CPU0",
+			"presence-ps2",
+			"presence-ps3",
+			"", "",
+			"PWRBRD_PLUG_DETECT2_N";
+	};
 };
 
 &i2c2 {
@@ -486,6 +744,20 @@ regulator@43 {
 &i2c6 {
 	status = "okay";
 
+	fan-controller@52 {
+		compatible = "maxim,max31785a";
+		reg = <0x52>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
+	fan-controller@54 {
+		compatible = "maxim,max31785a";
+		reg = <0x54>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+	};
+
 	i2c-mux@70 {
 		compatible = "nxp,pca9548";
 		reg = <0x70>;
@@ -522,6 +794,48 @@ i2c6mux0chn4: i2c@4 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 			reg = <4>;
+
+			led-controller@60 {
+				compatible = "nxp,pca9551";
+				reg = <0x60>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				gpio-controller;
+				#gpio-cells = <2>;
+
+				led@0 {
+					label = "enclosure-id-led";
+					reg = <0>;
+					retain-state-shutdown;
+					default-state = "keep";
+					type = <PCA955X_TYPE_LED>;
+				};
+
+				led@1 {
+					label = "attention-led";
+					reg = <1>;
+					retain-state-shutdown;
+					default-state = "keep";
+					type = <PCA955X_TYPE_LED>;
+				};
+
+				led@2 {
+					label = "enclosure-fault-rollup-led";
+					reg = <2>;
+					retain-state-shutdown;
+					default-state = "keep";
+					type = <PCA955X_TYPE_LED>;
+				};
+
+				led@3 {
+					label = "power-on-led";
+					reg = <3>;
+					retain-state-shutdown;
+					default-state = "keep";
+					type = <PCA955X_TYPE_LED>;
+				};
+			};
 		};
 
 		i2c6mux0chn5: i2c@5 {
@@ -542,6 +856,44 @@ i2c6mux0chn7: i2c@7 {
 			reg = <7>;
 		};
 	};
+
+	pca3: pca9539@74 {
+		compatible = "nxp,pca9539";
+		reg = <0x74>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	pca4: pca9539@77 {
+		compatible = "nxp,pca9539";
+		reg = <0x77>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		gpio-line-names =
+			"PE_NVMED0_EXP_PRSNT_N",
+			"PE_NVMED1_EXP_PRSNT_N",
+			"PE_NVMED2_EXP_PRSNT_N",
+			"PE_NVMED3_EXP_PRSNT_N",
+			"LED_FAULT_NVMED0",
+			"LED_FAULT_NVMED1",
+			"LED_FAULT_NVMED2",
+			"LED_FAULT_NVMED3",
+			"FAN0_PRESENCE_R_N",
+			"FAN1_PRESENCE_R_N",
+			"FAN2_PRESENCE_R_N",
+			"FAN3_PRESENCE_R_N",
+			"FAN4_PRESENCE_R_N",
+			"FAN5_PRESENCE_N",
+			"FAN6_PRESENCE_N",
+			"";
+	};
 };
 
 &i2c7 {
@@ -809,6 +1161,191 @@ regulator@41 {
 		compatible = "infineon,ir38263";
 		reg = <0x41>;
 	};
+
+	led-controller@61 {
+		compatible = "nxp,pca9552";
+		reg = <0x61>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		led@0 {
+			label = "efuse-12v-slots";
+			reg = <0>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@1 {
+			label = "efuse-3p3v-slot";
+			reg = <1>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@3 {
+			label = "nic2-pert";
+			reg = <3>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@4 {
+			label = "pcie-perst9";
+			reg = <4>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@5 {
+			label = "pcie-perst10";
+			reg = <5>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@6 {
+			label = "pcie-perst11";
+			reg = <6>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@7 {
+			label = "pcie-perst12";
+			reg = <7>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@8 {
+			label = "pcie-perst13";
+			reg = <8>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@9 {
+			label = "pcie-perst14";
+			reg = <9>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@10 {
+			label = "pcie-perst15";
+			reg = <10>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@11 {
+			label = "pcie-perst16";
+			reg = <11>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@12 {
+			label = "PV-cp1-sw1stk4-perst";
+			reg = <12>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@13 {
+			label = "PV-cp1-sw1stk5-perst";
+			reg = <13>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@14 {
+			label = "pe-cp-drv2-perst";
+			reg = <14>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+
+		led@15 {
+			label = "pe-cp-drv3-perst";
+			reg = <15>;
+			retain-state-shutdown;
+			default-state = "keep";
+			type = <PCA955X_TYPE_LED>;
+		};
+	};
+
+	pca1: pca9539@75 {
+		compatible = "nxp,pca9539";
+		reg = <0x75>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		gpio-line-names =
+			"PLUG_DETECT_PCIE_J109_N",
+			"PLUG_DETECT_PCIE_J110_N",
+			"PLUG_DETECT_PCIE_J111_N",
+			"PLUG_DETECT_PCIE_J112_N",
+			"PLUG_DETECT_PCIE_J113_N",
+			"PLUG_DETECT_PCIE_J114_N",
+			"PLUG_DETECT_PCIE_J115_N",
+			"PLUG_DETECT_PCIE_J116_N",
+			"PLUG_DETECT_M2_SSD2_N",
+			"PLUG_DETECT_NIC2_N",
+			"SEL_SMB_DIMM_CPU1",
+			"presence-ps0",
+			"presence-ps1",
+			"", "",
+			"PWRBRD_PLUG_DETECT1_N";
+	};
+
+	pca2: pca9539@76 {
+		compatible = "nxp,pca9539";
+		reg = <0x76>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		gpio-line-names =
+			"SW1_BOOTRCVRYB1_N",
+			"SW1_BOOTRCVRYB0_N",
+			"SW2_BOOTRCVRYB1_N",
+			"SW2_BOOTRCVRYB0_N",
+			"SW3_4_BOOTRCVRYB1_N",
+			"SW3_4_BOOTRCVRYB0_N",
+			"SW5_BOOTRCVRYB1_N",
+			"SW5_BOOTRCVRYB0_N",
+			"SW6_BOOTRCVRYB1_N",
+			"SW6_BOOTRCVRYB0_N",
+			"SW1_RESET_N",
+			"SW3_RESET_N",
+			"SW4_RESET_N",
+			"SW2_RESET_N",
+			"SW5_RESET_N",
+			"SW6_RESET_N";
+	};
 };
 
 &i2c14 {
-- 
2.39.2