[PATCH u-boot v2019.04-aspeed-openbmc v4 6/6] ast2600: Add GPIO controller and hog TPM reset pin

[Eddie James]

Hog the GPIO pin to reset the TPM.

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

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>;
+	};
+};
-- 
2.27.0