diff mbox series

[u-boot,v2019.04-aspeed-openbmc,v2,6/6] ast2600: Add GPIO controller and hog TPM reset pin

Message ID 20220207151004.15146-7-eajames@linux.ibm.com
State New
Headers show
Series Add GPIO hog support | expand

Commit Message

Eddie James Feb. 7, 2022, 3:10 p.m. UTC 
Hog the GPIO pin to reset the TPM.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
---
 arch/arm/dts/ast2600-rainier.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm/dts/ast2600-rainier.dts b/arch/arm/dts/ast2600-rainier.dts
index aae507b4c2..d0e82d1512 100755
--- a/arch/arm/dts/ast2600-rainier.dts
+++ b/arch/arm/dts/ast2600-rainier.dts
@@ -108,3 +108,14 @@ 
 	u-boot,dm-pre-reloc;
 	status = "okay";
 };
+
+&gpio0 {
+	u-boot,dm-pre-reloc;
+
+	tpm_reset {
+		u-boot,dm-pre-reloc;
+		gpio-hog;
+		output-high;
+		gpios = <ASPEED_GPIO(R, 0) GPIO_ACTIVE_HIGH>;
+	};
+};