linux-kernel - [PATCH v1] ARM: dts: aspeed: mtjade: Add some gpios

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Date:   Fri, 17 Sep 2021 15:29:45 +0700
From:   Quan Nguyen <quan@...amperecomputing.com>
To:     Rob Herring <robh+dt@...nel.org>, Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Cc:     Open Source Submission <patches@...erecomputing.com>,
        Phong Vo <phong@...amperecomputing.com>,
        "Thang Q . Nguyen" <thang@...amperecomputing.com>
Subject: [PATCH v1] ARM: dts: aspeed: mtjade: Add some gpios

Add S0_SCP_AUTH_FAIL, S1_SCP_AUTH_FAIL gpios to indicates firmware
authentication fail on each socket.

Add gpio RTC_BAT_SEN_EN to enable RTC battery adc sensor.

Add BMC_I2C4_O_EN gpio to go high at boot to enable access to I2C4 bus.

Signed-off-by: Quan Nguyen <quan@...amperecomputing.com>
Signed-off-by: Thang Nguyen <thang@...amperecomputing.com>
---
 .../arm/boot/dts/aspeed-bmc-ampere-mtjade.dts | 21 ++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
index 57b0c45a2298..3515d55bd312 100644
--- a/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-ampere-mtjade.dts
@@ -86,6 +86,18 @@ S0_cpu_fault {
 			linux,code = <ASPEED_GPIO(J, 1)>;
 		};
 
+		S0_scp_auth_fail {
+			label = "S0_SCP_AUTH_FAIL";
+			gpios = <&gpio ASPEED_GPIO(J, 2) GPIO_ACTIVE_LOW>;
+			linux,code = <ASPEED_GPIO(J, 2)>;
+		};
+
+		S1_scp_auth_fail {
+			label = "S1_SCP_AUTH_FAIL";
+			gpios = <&gpio ASPEED_GPIO(Z, 5) GPIO_ACTIVE_LOW>;
+			linux,code = <ASPEED_GPIO(Z, 5)>;
+		};
+
 		S1_overtemp {
 			label = "S1_OVERTEMP";
 			gpios = <&gpio ASPEED_GPIO(Z, 6) GPIO_ACTIVE_LOW>;
@@ -590,7 +602,7 @@ &gpio {
 	/*Q0-Q7*/	"","","","","","UID_BUTTON","","",
 	/*R0-R7*/	"","","BMC_EXT_HIGHTEMP_L","OCP_AUX_PWREN",
 			"OCP_MAIN_PWREN","RESET_BUTTON","","",
-	/*S0-S7*/	"","","","","","","","",
+	/*S0-S7*/	"","","","","RTC_BAT_SEN_EN","","","",
 	/*T0-T7*/	"","","","","","","","",
 	/*U0-U7*/	"","","","","","","","",
 	/*V0-V7*/	"","","","","","","","",
@@ -604,4 +616,11 @@ &gpio {
 			"S1_BMC_DDR_ADR","","","","",
 	/*AC0-AC7*/	"SYS_PWR_GD","","","","","BMC_READY","SLAVE_PRESENT_L",
 			"BMC_OCP_PG";
+
+	i2c4_o_en {
+		gpio-hog;
+		gpios = <ASPEED_GPIO(Y, 2) GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "BMC_I2C4_O_EN";
+	};
 };
-- 
2.28.0