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Mon, 7 Feb 2022 23:13:41 +0000 (GMT) From: Eddie James To: openbmc@lists.ozlabs.org Subject: [PATCH u-boot v2019.04-aspeed-openbmc v4 6/6] ast2600: Add GPIO controller and hog TPM reset pin Date: Mon, 7 Feb 2022 17:13:34 -0600 Message-Id: <20220207231334.59845-7-eajames@linux.ibm.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20220207231334.59845-1-eajames@linux.ibm.com> References: <20220207231334.59845-1-eajames@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: ZkFLcDRsGf455a7HTg3_fZpKrAe_Ce7- X-Proofpoint-ORIG-GUID: ZkFLcDRsGf455a7HTg3_fZpKrAe_Ce7- X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-02-07_07,2022-02-07_02,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 spamscore=0 suspectscore=0 malwarescore=0 mlxscore=0 mlxlogscore=931 impostorscore=0 bulkscore=0 adultscore=0 clxscore=1015 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2202070126 X-BeenThere: openbmc@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development list for OpenBMC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: andrew@aj.id.au Errors-To: openbmc-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "openbmc" Hog the GPIO pin to reset the TPM. Signed-off-by: Eddie James Reviewed-by: Andrew Jeffery --- 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 = ; + }; +};