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From: Ninad Palsule <ninad@linux.ibm.com>
To: brgl@bgdev.pl, linus.walleij@linaro.org, minyard@acm.org,
	robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
	andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com,
	kuba@kernel.org, pabeni@redhat.com,
	openipmi-developer@lists.sourceforge.net, netdev@vger.kernel.org,
	joel@jms.id.au, andrew@codeconstruct.com.au,
	devicetree@vger.kernel.org, eajames@linux.ibm.com,
	linux-arm-kernel@lists.infradead.org,
	linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org
Cc: Ninad Palsule <ninad@linux.ibm.com>
Subject: [PATCH v7 8/9] ARM: dts: aspeed: system1: Mark GPIO line high/low
Date: Mon,  3 Feb 2025 08:44:18 -0600	[thread overview]
Message-ID: <20250203144422.269948-9-ninad@linux.ibm.com> (raw)
In-Reply-To: <20250203144422.269948-1-ninad@linux.ibm.com>

- Mark following GPIO lines as input high:
  - GPIOL4 (reset PCH registers)
  - GPIOL5 (reset portition of intel ME)
- Mark isolate errors from cpu1 gpio (GPIOO6) as active low output.
- The fan controller reset line should be active high.

Signed-off-by: Ninad Palsule <ninad@linux.ibm.com>
---
 .../dts/aspeed/aspeed-bmc-ibm-system1.dts     | 28 +++++++++++++++++++
 1 file changed, 28 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 089a8315753a..9abbad07c751 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-system1.dts
@@ -383,6 +383,34 @@ &gpio0 {
 	/*X0-X7*/	"fpga-pgood","power-chassis-good","pch-pgood","","","","","",
 	/*Y0-Y7*/	"","","","","","","","",
 	/*Z0-Z7*/	"","","","","","","","";
+
+	pin-gpio-hog-0 {
+		gpio-hog;
+		gpios = <ASPEED_GPIO(L, 4) GPIO_ACTIVE_HIGH>;
+		input;
+		line-name = "RST_RTCRST_N";
+	};
+
+	pin-gpio-hog-1 {
+		gpio-hog;
+		gpios = <ASPEED_GPIO(L, 5) GPIO_ACTIVE_HIGH>;
+		input;
+		line-name = "RST_SRTCRST_N";
+	};
+
+	pin-gpio-hog-2 {
+		gpio-hog;
+		gpios = <ASPEED_GPIO(L, 6) GPIO_ACTIVE_HIGH>;
+		output-high;
+		line-name = "BMC_FAN_E3_SVC_PEX_INT_N";
+	};
+
+	pin-gpio-hog-3 {
+		gpio-hog;
+		gpios = <ASPEED_GPIO(O, 6) GPIO_ACTIVE_LOW>;
+		output-low;
+		line-name = "isolate_errs_cpu1";
+	};
 };
 
 &emmc_controller {
-- 
2.43.0


  parent reply	other threads:[~2025-02-03 14:45 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-03 14:44 [PATCH v7 0/9] DTS updates for system1 BMC Ninad Palsule
2025-02-03 14:44 ` [PATCH v7 1/9] bindings: ipmi: Add binding for IPMB device intf Ninad Palsule
2025-02-03 15:00   ` Krzysztof Kozlowski
2025-02-03 15:17     ` Ninad Palsule
2025-02-03 16:01       ` Krzysztof Kozlowski
2025-02-03 14:44 ` [PATCH v7 2/9] dt-bindings: gpio: ast2400-gpio: Add hogs parsing Ninad Palsule
2025-02-13 11:30   ` Linus Walleij
2025-02-03 14:44 ` [PATCH v7 3/9] ARM: dts: aspeed: system1: Add IPMB device Ninad Palsule
2025-02-03 14:44 ` [PATCH v7 4/9] ARM: dts: aspeed: system1: Add GPIO line name Ninad Palsule
2025-02-03 14:44 ` [PATCH v7 5/9] ARM: dts: aspeed: system1: Reduce sgpio speed Ninad Palsule
2025-02-03 14:44 ` [PATCH v7 6/9] ARM: dts: aspeed: system1: Update LED gpio name Ninad Palsule
2025-02-03 14:44 ` [PATCH v7 7/9] ARM: dts: aspeed: system1: Remove VRs max8952 Ninad Palsule
2025-02-03 14:44 ` Ninad Palsule [this message]
2025-02-03 14:44 ` [PATCH v7 9/9] ARM: dts: aspeed: system1: Disable gpio pull down Ninad Palsule
2025-02-03 15:37 ` [PATCH v7 0/9] DTS updates for system1 BMC Rob Herring (Arm)
2025-02-04  4:33 ` Andrew Jeffery
2025-02-04 19:40   ` Ninad Palsule
2025-02-05  0:05     ` Andrew Jeffery

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