From patchwork Tue Apr 19 05:04:42 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: andrew.zamansky@nuvoton.com X-Patchwork-Id: 611981 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.sourceforge.net (lists.sourceforge.net [216.34.181.88]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3qptHM1njpz9s9k for ; Tue, 19 Apr 2016 15:05:03 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=sfs-ml-1.v29.ch3.sourceforge.com) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1asNqM-0004J8-39; Tue, 19 Apr 2016 05:04:58 +0000 Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-1.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1asNqK-0004J3-RA for tpmdd-devel@lists.sourceforge.net; Tue, 19 Apr 2016 05:04:56 +0000 Received: from maillog.nuvoton.com ([202.39.227.15]) by sog-mx-1.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1asNqI-0001fN-NS for tpmdd-devel@lists.sourceforge.net; Tue, 19 Apr 2016 05:04:56 +0000 Received: from nthcims04.nuvoton.com (nthcims04.nuvoton.com [10.1.8.200]) by maillog.nuvoton.com (Postfix) with ESMTP id E06481C805F5; Tue, 19 Apr 2016 13:04:47 +0800 (CST) Received: from NTILML02.nuvoton.com (10.190.1.46) by nthcims04.nuvoton.com (10.1.8.200) with Microsoft SMTP Server (TLS) id 8.3.327.1; Tue, 19 Apr 2016 13:04:47 +0800 Received: from NTILML02.nuvoton.com (10.190.1.46) by NTILML02.nuvoton.com (10.190.1.46) with Microsoft SMTP Server (TLS) id 15.0.1130.7; Tue, 19 Apr 2016 08:04:42 +0300 Received: from taln70.nuvoton.co.il (10.191.1.70) by NTILML02.nuvoton.com (10.190.1.47) with Microsoft SMTP Server id 15.0.1130.7 via Frontend Transport; Tue, 19 Apr 2016 08:04:42 +0300 Received: by taln70.nuvoton.co.il (Postfix, from userid 10050) id 7048840F8; Tue, 19 Apr 2016 08:04:42 +0300 (IDT) Date: Tue, 19 Apr 2016 08:04:42 +0300 To: , <--@taln70.nuvoton.co.il>, , , , , , , User-Agent: Heirloom mailx 12.4 7/29/08 MIME-Version: 1.0 Message-ID: <20160419050442.7048840F8@taln70.nuvoton.co.il> From: "Andrew Zamansky (NTIL)" X-Spam-Score: -1.0 (-) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [202.39.227.15 listed in list.dnswl.org] -1.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain X-Headers-End: 1asNqI-0001fN-NS Subject: [tpmdd-devel] 0001-added-tpm-2.0-support-to-nuvoton-i2c-driver.patch X-BeenThere: tpmdd-devel@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: Tpm Device Driver maintainance List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tpmdd-devel-bounces@lists.sourceforge.net >From b1503617a4c2b89f5a366a3d38b303b5de606c59 Mon Sep 17 00:00:00 2001 From: andrew azmansky Date: Thu, 7 Apr 2016 09:19:57 +0300 Subject: [PATCH 1/1] added tpm 2.0 support to nuvoton i2c driver add tpm 2.0 support to nuvoton i2c tpm driver Signed-off-by: andrew azmansky --- .../devicetree/bindings/i2c/trivial-devices.txt | 1 + drivers/char/tpm/tpm_i2c_nuvoton.c | 25 +++++++++++++++++++--- 2 files changed, 23 insertions(+), 3 deletions(-) -- 1.9.1 =========================================================================================== The privileged confidential information contained in this email is intended for use only by the addressees as indicated by the original sender of this email. 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Get your free trial! https://ad.doubleclick.net/ddm/clk/302982198;130105516;z diff --git a/Documentation/devicetree/bindings/i2c/trivial-devices.txt b/Documentation/devicetree/bindings/i2c/trivial-devices.txt index 53987449..0a07cbc 100644 --- a/Documentation/devicetree/bindings/i2c/trivial-devices.txt +++ b/Documentation/devicetree/bindings/i2c/trivial-devices.txt @@ -62,6 +62,7 @@ national,lm80 Serial Interface ACPI-Compatible Microprocessor System Hardware M national,lm85 Temperature sensor with integrated fan control national,lm92 ±0.33°C Accurate, 12-Bit + Sign Temperature Sensor and Thermal Window Comparator with Two-Wire Interface nuvoton,npct501 i2c trusted platform module (TPM) +nuvoton,npct6xx i2c trusted platform module (TPM) 6xx series nxp,pca9556 Octal SMBus and I2C registered interface nxp,pca9557 8-bit I2C-bus and SMBus I/O port with reset nxp,pcf8563 Real-time clock/calendar diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c b/drivers/char/tpm/tpm_i2c_nuvoton.c index 847f159..215a2b4 100644 --- a/drivers/char/tpm/tpm_i2c_nuvoton.c +++ b/drivers/char/tpm/tpm_i2c_nuvoton.c @@ -1,5 +1,5 @@ /****************************************************************************** - * Nuvoton TPM I2C Device Driver Interface for WPCT301/NPCT501, + * Nuvoton TPM I2C Device Driver Interface for WPCT301/NPCT501/NPCT6XX, * based on the TCG TPM Interface Spec version 1.2. * Specifications at www.trustedcomputinggroup.org * @@ -163,7 +163,7 @@ static int i2c_nuvoton_get_burstcount(struct i2c_client *client, } /* - * WPCT301/NPCT501 SINT# supports only dataAvail + * WPCT301/NPCT501/NPCT6XX SINT# supports only dataAvail * any call to this function which is not waiting for dataAvail will * set queue to NULL to avoid waiting for interrupt */ @@ -601,10 +601,28 @@ static int i2c_nuvoton_probe(struct i2c_client *client, } } + rc = tpm2_probe(chip); + if (rc) + return rc; + if (tpm_get_timeouts(chip)) return -ENODEV; - if (tpm_do_selftest(chip)) + if (chip->flags & TPM_CHIP_FLAG_TPM2) { + + rc = tpm2_do_selftest(chip); + if (rc == TPM2_RC_INITIALIZE) { + if (tpm2_startup(chip, TPM2_SU_CLEAR)) + return -ENODEV; + + rc = tpm2_do_selftest(chip); + } + + } else { + rc = tpm_do_selftest(chip); + } + + if (rc) return -ENODEV; return tpm_chip_register(chip); @@ -628,6 +646,7 @@ MODULE_DEVICE_TABLE(i2c, i2c_nuvoton_id); static const struct of_device_id i2c_nuvoton_of_match[] = { {.compatible = "nuvoton,npct501"}, {.compatible = "winbond,wpct301"}, + {.compatible = "nuvoton,npct6xx"}, {}, }; MODULE_DEVICE_TABLE(of, i2c_nuvoton_of_match);