From patchwork Tue Jan 28 17:59:58 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jones, Michael-A1" X-Patchwork-Id: 11354733 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 702DA112B for ; Tue, 28 Jan 2020 18:10:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5957D24683 for ; Tue, 28 Jan 2020 18:10:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726771AbgA1SKE (ORCPT ); Tue, 28 Jan 2020 13:10:04 -0500 Received: from [65.157.77.67] ([65.157.77.67]:62511 "HELO ubuntu.localdomain" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with SMTP id S1726520AbgA1SKE (ORCPT ); Tue, 28 Jan 2020 13:10:04 -0500 Received: by ubuntu.localdomain (Postfix, from userid 1000) id DB239461A3C; Tue, 28 Jan 2020 11:00:25 -0700 (MST) From: Mike Jones To: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: linux@roeck-us.net, jdelvare@suse.com, robh+dt@kernel.org, corbet@lwn.net, Mike Jones Subject: [PATCH 1/3] docs: hwmon: (pmbus/ltc2978): Update datasheet URLs to analog.com. Date: Tue, 28 Jan 2020 10:59:58 -0700 Message-Id: <1580234400-2829-1-git-send-email-michael-a1.jones@analog.com> X-Mailer: git-send-email 2.7.4 Sender: linux-hwmon-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Signed-off-by: Mike Jones --- Documentation/hwmon/ltc2978.rst | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) diff --git a/Documentation/hwmon/ltc2978.rst b/Documentation/hwmon/ltc2978.rst index 01a24fd..42fd841 100644 --- a/Documentation/hwmon/ltc2978.rst +++ b/Documentation/hwmon/ltc2978.rst @@ -9,7 +9,7 @@ Supported chips: Addresses scanned: - - Datasheet: http://www.linear.com/product/ltc2974 + Datasheet: https://www.analog.com/en/products/ltc2974 * Linear Technology LTC2975 @@ -17,7 +17,7 @@ Supported chips: Addresses scanned: - - Datasheet: http://www.linear.com/product/ltc2975 + Datasheet: https://www.analog.com/en/products/ltc2975 * Linear Technology LTC2977 @@ -25,7 +25,7 @@ Supported chips: Addresses scanned: - - Datasheet: http://www.linear.com/product/ltc2977 + Datasheet: https://www.analog.com/en/products/ltc2977 * Linear Technology LTC2978, LTC2978A @@ -33,9 +33,9 @@ Supported chips: Addresses scanned: - - Datasheet: http://www.linear.com/product/ltc2978 + Datasheet: https://www.analog.com/en/products/ltc2978 - http://www.linear.com/product/ltc2978a + https://www.analog.com/en/products/ltc2978a * Linear Technology LTC2980 @@ -43,7 +43,7 @@ Supported chips: Addresses scanned: - - Datasheet: http://www.linear.com/product/ltc2980 + Datasheet: https://www.analog.com/en/products/ltc2980 * Linear Technology LTC3880 @@ -51,7 +51,7 @@ Supported chips: Addresses scanned: - - Datasheet: http://www.linear.com/product/ltc3880 + Datasheet: https://www.analog.com/en/products/ltc3880 * Linear Technology LTC3882 @@ -59,7 +59,7 @@ Supported chips: Addresses scanned: - - Datasheet: http://www.linear.com/product/ltc3882 + Datasheet: https://www.analog.com/en/products/ltc3882 * Linear Technology LTC3883 @@ -67,7 +67,7 @@ Supported chips: Addresses scanned: - - Datasheet: http://www.linear.com/product/ltc3883 + Datasheet: https://www.analog.com/en/products/ltc3883 * Linear Technology LTC3886 @@ -75,7 +75,7 @@ Supported chips: Addresses scanned: - - Datasheet: http://www.linear.com/product/ltc3886 + Datasheet: https://www.analog.com/en/products/ltc3886 * Linear Technology LTC3887 @@ -83,7 +83,7 @@ Supported chips: Addresses scanned: - - Datasheet: http://www.linear.com/product/ltc3887 + Datasheet: https://www.analog.com/en/products/ltc3887 * Linear Technology LTM2987 @@ -91,7 +91,7 @@ Supported chips: Addresses scanned: - - Datasheet: http://www.linear.com/product/ltm2987 + Datasheet: https://www.analog.com/en/products/ltm2987 * Linear Technology LTM4675 @@ -99,7 +99,7 @@ Supported chips: Addresses scanned: - - Datasheet: http://www.linear.com/product/ltm4675 + Datasheet: https://www.analog.com/en/products/ltm4675 * Linear Technology LTM4676 @@ -107,7 +107,7 @@ Supported chips: Addresses scanned: - - Datasheet: http://www.linear.com/product/ltm4676 + Datasheet: https://www.analog.com/en/products/ltm4676 * Analog Devices LTM4686 From patchwork Tue Jan 28 17:59:59 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jones, Michael-A1" X-Patchwork-Id: 11354729 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1042092A for ; Tue, 28 Jan 2020 18:10:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E125322522 for ; Tue, 28 Jan 2020 18:10:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726257AbgA1SKE (ORCPT ); Tue, 28 Jan 2020 13:10:04 -0500 Received: from [65.157.77.67] ([65.157.77.67]:62512 "HELO ubuntu.localdomain" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with SMTP id S1726276AbgA1SKE (ORCPT ); Tue, 28 Jan 2020 13:10:04 -0500 X-Greylist: delayed 567 seconds by postgrey-1.27 at vger.kernel.org; Tue, 28 Jan 2020 13:09:53 EST Received: by ubuntu.localdomain (Postfix, from userid 1000) id 2FE37465314; Tue, 28 Jan 2020 11:00:36 -0700 (MST) From: Mike Jones To: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: linux@roeck-us.net, jdelvare@suse.com, robh+dt@kernel.org, corbet@lwn.net, Mike Jones Subject: [PATCH 2/3] hwmon: (pmbus/ltc2978): Fix PMBus polling of MFR_COMMON definitions. Date: Tue, 28 Jan 2020 10:59:59 -0700 Message-Id: <1580234400-2829-2-git-send-email-michael-a1.jones@analog.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1580234400-2829-1-git-send-email-michael-a1.jones@analog.com> References: <1580234400-2829-1-git-send-email-michael-a1.jones@analog.com> Sender: linux-hwmon-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Change 21537dc driver PMBus polling of MFR_COMMON from bits 5/4 to bits 6/5. This fixs a LTC297X family bug where polling always returns not busy even when the part is busy. This fixes a LTC388X and LTM467X bug where polling used PEND and NOT_IN_TRANS, and BUSY was not polled, which can lead to NACKing of commands. LTC388X and LTM467X modules now poll BUSY and PEND, increasing reliability by eliminating NACKing of commands. Signed-off-by: Mike Jones --- drivers/hwmon/pmbus/ltc2978.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c index f01f488..a91ed01 100644 --- a/drivers/hwmon/pmbus/ltc2978.c +++ b/drivers/hwmon/pmbus/ltc2978.c @@ -82,8 +82,8 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882, #define LTC_POLL_TIMEOUT 100 /* in milli-seconds */ -#define LTC_NOT_BUSY BIT(5) -#define LTC_NOT_PENDING BIT(4) +#define LTC_NOT_BUSY BIT(6) +#define LTC_NOT_PENDING BIT(5) /* * LTC2978 clears peak data whenever the CLEAR_FAULTS command is executed, which From patchwork Tue Jan 28 18:00:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Jones, Michael-A1" X-Patchwork-Id: 11354731 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6270892A for ; Tue, 28 Jan 2020 18:10:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2D6FF2467E for ; Tue, 28 Jan 2020 18:10:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726828AbgA1SKH (ORCPT ); Tue, 28 Jan 2020 13:10:07 -0500 Received: from [65.157.77.67] ([65.157.77.67]:62510 "HELO ubuntu.localdomain" rhost-flags-FAIL-FAIL-OK-FAIL) by vger.kernel.org with SMTP id S1726521AbgA1SKG (ORCPT ); Tue, 28 Jan 2020 13:10:06 -0500 Received: by ubuntu.localdomain (Postfix, from userid 1000) id 5E65D465317; Tue, 28 Jan 2020 11:00:37 -0700 (MST) From: Mike Jones To: linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: linux@roeck-us.net, jdelvare@suse.com, robh+dt@kernel.org, corbet@lwn.net, Mike Jones Subject: [PATCH 3/3] hwmon: (pmbus/ltc2978): add support for more parts. Date: Tue, 28 Jan 2020 11:00:00 -0700 Message-Id: <1580234400-2829-3-git-send-email-michael-a1.jones@analog.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1580234400-2829-1-git-send-email-michael-a1.jones@analog.com> References: <1580234400-2829-1-git-send-email-michael-a1.jones@analog.com> Sender: linux-hwmon-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org LTC2972, LTC2979, LTC3884, LTC3889, LTC7880, LTM4664, LTM4677, LTM4678, LTM4680, LTM4700. Signed-off-by: Mike Jones --- .../devicetree/bindings/hwmon/ltc2978.txt | 22 ++- Documentation/hwmon/ltc2978.rst | 164 ++++++++++++++++----- drivers/hwmon/pmbus/Kconfig | 11 +- drivers/hwmon/pmbus/ltc2978.c | 92 +++++++++++- 4 files changed, 238 insertions(+), 51 deletions(-) diff --git a/Documentation/devicetree/bindings/hwmon/ltc2978.txt b/Documentation/devicetree/bindings/hwmon/ltc2978.txt index b428a70..4e7f621 100644 --- a/Documentation/devicetree/bindings/hwmon/ltc2978.txt +++ b/Documentation/devicetree/bindings/hwmon/ltc2978.txt @@ -2,20 +2,30 @@ ltc2978 Required properties: - compatible: should contain one of: + * "lltc,ltc2972" * "lltc,ltc2974" * "lltc,ltc2975" * "lltc,ltc2977" * "lltc,ltc2978" + * "lltc,ltc2979" * "lltc,ltc2980" * "lltc,ltc3880" * "lltc,ltc3882" * "lltc,ltc3883" + * "lltc,ltc3884" * "lltc,ltc3886" * "lltc,ltc3887" + * "lltc,ltc3889" + * "lltc,ltc7880" * "lltc,ltm2987" + * "lltc,ltm4664" * "lltc,ltm4675" * "lltc,ltm4676" + * "lltc,ltm4677" + * "lltc,ltm4678" + * "lltc,ltm4680" * "lltc,ltm4686" + * "lltc,ltm4700" - reg: I2C slave address Optional properties: @@ -25,13 +35,17 @@ Optional properties: standard binding for regulators; see regulator.txt. Valid names of regulators depend on number of supplies supported per device: + * ltc2972 vout0 - vout1 * ltc2974, ltc2975 : vout0 - vout3 - * ltc2977, ltc2980, ltm2987 : vout0 - vout7 + * ltc2977, ltc2979, ltc2980, ltm2987 : vout0 - vout7 * ltc2978 : vout0 - vout7 - * ltc3880, ltc3882, ltc3886 : vout0 - vout1 + * ltc3880, ltc3882, ltc3884, ltc3886, ltc3887, ltc3889 : vout0 - vout1 + * ltc7880 : vout0 - vout1 * ltc3883 : vout0 - * ltm4676 : vout0 - vout1 - * ltm4686 : vout0 - vout1 + * ltm4664 : vout0 - vout1 + * ltm4675, ltm4676, ltm4677, ltm4678 : vout0 - vout1 + * ltm4680, ltm4686 : vout0 - vout1 + * ltm4700 : vout0 - vout1 Example: ltc2978@5e { diff --git a/Documentation/hwmon/ltc2978.rst b/Documentation/hwmon/ltc2978.rst index 42fd841..58838d4 100644 --- a/Documentation/hwmon/ltc2978.rst +++ b/Documentation/hwmon/ltc2978.rst @@ -3,6 +3,14 @@ Kernel driver ltc2978 Supported chips: + * Linear Technology LTC2972 + + Prefix: 'ltc2972' + + Addresses scanned: - + + Datasheet: https://www.analog.com/en/products/ltc2972.html + * Linear Technology LTC2974 Prefix: 'ltc2974' @@ -37,6 +45,14 @@ Supported chips: https://www.analog.com/en/products/ltc2978a + * Linear Technology LTC2979 + + Prefix: 'ltc2979' + + Addresses scanned: - + + Datasheet: https://www.analog.com/en/products/ltc2979 + * Linear Technology LTC2980 Prefix: 'ltc2980' @@ -69,6 +85,14 @@ Supported chips: Datasheet: https://www.analog.com/en/products/ltc3883 + * Linear Technology LTC3884 + + Prefix: 'ltc3884' + + Addresses scanned: - + + Datasheet: https://www.analog.com/en/products/ltc3884 + * Linear Technology LTC3886 Prefix: 'ltc3886' @@ -85,6 +109,22 @@ Supported chips: Datasheet: https://www.analog.com/en/products/ltc3887 + * Linear Technology LTC3889 + + Prefix: 'ltc3889' + + Addresses scanned: - + + Datasheet: https://www.analog.com/en/products/ltc3889 + + * Linear Technology LTC7880 + + Prefix: 'ltc7880' + + Addresses scanned: - + + Datasheet: https://www.analog.com/en/products/ltc7880 + * Linear Technology LTM2987 Prefix: 'ltm2987' @@ -93,7 +133,15 @@ Supported chips: Datasheet: https://www.analog.com/en/products/ltm2987 - * Linear Technology LTM4675 + * Linear Technology LTM4644 + + Prefix: 'ltm4644' + + Addresses scanned: - + + Datasheet: https://www.analog.com/en/products/ltm4644 + + * Linear Technology LTM4675 Prefix: 'ltm4675' @@ -109,6 +157,30 @@ Supported chips: Datasheet: https://www.analog.com/en/products/ltm4676 + * Linear Technology LTM4677 + + Prefix: 'ltm4677' + + Addresses scanned: - + + Datasheet: https://www.analog.com/en/products/ltm4677 + + * Linear Technology LTM4678 + + Prefix: 'ltm4678' + + Addresses scanned: - + + Datasheet: https://www.analog.com/en/products/ltm4678 + + * Analog Devices LTM4680 + + Prefix: 'ltm4680' + + Addresses scanned: - + + Datasheet: http://www.analog.com/ltm4680 + * Analog Devices LTM4686 Prefix: 'ltm4686' @@ -117,6 +189,15 @@ Supported chips: Datasheet: http://www.analog.com/ltm4686 + * Analog Devices LTM4700 + + Prefix: 'ltm4700' + + Addresses scanned: - + + Datasheet: http://www.analog.com/ltm4700 + + Author: Guenter Roeck @@ -166,13 +247,13 @@ in1_min Minimum input voltage. in1_max Maximum input voltage. - LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and - LTM2987 only. + LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, + LTC2979 and LTM2987 only. in1_lcrit Critical minimum input voltage. - LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and - LTM2987 only. + LTC2972, LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, + LTC2979 and LTM2987 only. in1_crit Critical maximum input voltage. @@ -180,17 +261,17 @@ in1_min_alarm Input voltage low alarm. in1_max_alarm Input voltage high alarm. - LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and - LTM2987 only. + LTC2972, LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, + LTC2979 and LTM2987 only. in1_lcrit_alarm Input voltage critical low alarm. - LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and - LTM2987 only. + LTC2972, LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, + LTC2979 and LTM2987 only. in1_crit_alarm Input voltage critical high alarm. in1_lowest Lowest input voltage. - LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and + LTC2972, LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and LTM2987 only. in1_highest Highest input voltage. @@ -198,11 +279,13 @@ in1_reset_history Reset input voltage history. in[N]_label "vout[1-8]". + - LTC2972: N=2-3 - LTC2974, LTC2975: N=2-5 - - LTC2977, LTC2980, LTM2987: N=2-9 + - LTC2977, LTC2979, LTC2980, LTM2987: N=2-9 - LTC2978: N=2-9 - - LTC3880, LTC3882, LTC23886 LTC3887, LTM4675, LTM4676: - N=2-3 + - LTC3880, LTC3882, LTC3884, LTC23886 LTC3887, LTC3889, + LTC7880, LTM4644, LTM4675, LTM4676, LTM4677, LTM4678, + LTM4680, LTM4700: N=2-3 - LTC3883: N=2 in[N]_input Measured output voltage. @@ -226,7 +309,7 @@ in[N]_crit_alarm Output voltage critical high alarm. in[N]_lowest Lowest output voltage. - LTC2974, LTC2975,and LTC2978 only. + LTC2972, LTC2974, LTC2975,and LTC2978 only. in[N]_highest Highest output voltage. @@ -234,20 +317,24 @@ in[N]_reset_history Reset output voltage history. temp[N]_input Measured temperature. + - On LTC2972, temp[1-2] report external temperatures, + and temp 3 reports the chip temperature. - On LTC2974 and LTC2975, temp[1-4] report external temperatures, and temp5 reports the chip temperature. - - On LTC2977, LTC2980, LTC2978, and LTM2987, only one - temperature measurement is supported and reports - the chip temperature. - - On LTC3880, LTC3882, LTC3887, LTM4675, and LTM4676, - temp1 and temp2 report external temperatures, and - temp3 reports the chip temperature. + - On LTC2977, LTC2979, LTC2980, LTC2978, and LTM2987, + only one temperature measurement is supported and + reports the chip temperature. + - On LTC3880, LTC3882, LTC3886, LTC3887, LTC3889, + LTM4664, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680, + and LTM4700, temp1 and temp2 report external + temperatures, and temp3 reports the chip temperature. - On LTC3883, temp1 reports an external temperature, and temp2 reports the chip temperature. temp[N]_min Mimimum temperature. - LTC2974, LCT2977, LTM2980, LTC2978, and LTM2987 only. + LTC2972, LTC2974, LCT2977, LTM2980, LTC2978, + LTC2979, and LTM2987 only. temp[N]_max Maximum temperature. @@ -257,8 +344,8 @@ temp[N]_crit Critical high temperature. temp[N]_min_alarm Temperature low alarm. - LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, and - LTM2987 only. + LTC2972, LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, + LTC2979, and LTM2987 only. temp[N]_max_alarm Temperature high alarm. @@ -269,8 +356,8 @@ temp[N]_crit_alarm Temperature critical high alarm. temp[N]_lowest Lowest measured temperature. - - LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, and - LTM2987 only. + - LTC2972, LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, + LTC2979, and LTM2987 only. - Not supported for chip temperature sensor on LTC2974 and LTC2975. @@ -290,19 +377,22 @@ power1_input Measured input power. power[N]_label "pout[1-4]". + - LTC2972: N=1-2 - LTC2974, LTC2975: N=1-4 - - LTC2977, LTC2980, LTM2987: Not supported + - LTC2977, LTC2979, LTC2980, LTM2987: Not supported - LTC2978: Not supported - - LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: - N=1-2 + - LTC3880, LTC3882, LTC3884, LTC3886, LTC3887, LTC3889, + LTM4664, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680, + LTM4700: N=1-2 - LTC3883: N=2 power[N]_input Measured output power. curr1_label "iin". - LTC3880, LTC3883, LTC3886, LTC3887, LTM4675, - and LTM4676 only. + LTC3880, LTC3883, LTC3884, LTC3886, LTC3887, LTC3889, + LTM4644, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680, + and LTM4700 only. curr1_input Measured input current. @@ -320,11 +410,13 @@ curr1_reset_history Reset input current history. curr[N]_label "iout[1-4]". + - LTC2972: N-1-2 - LTC2974, LTC2975: N=1-4 - - LTC2977, LTC2980, LTM2987: not supported + - LTC2977, LTC2979, LTC2980, LTM2987: not supported - LTC2978: not supported - - LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: - N=2-3 + - LTC3880, LTC3882, LTC3884, LTC3886, LTC3887, LTC3889, + LTM4664, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680, + LTM4700: N=2-3 - LTC3883: N=2 curr[N]_input Measured output current. @@ -335,7 +427,7 @@ curr[N]_crit Critical high output current. curr[N]_lcrit Critical low output current. - LTC2974 and LTC2975 only. + LTC2972, LTC2974 and LTC2975 only. curr[N]_max_alarm Output current high alarm. @@ -343,11 +435,11 @@ curr[N]_crit_alarm Output current critical high alarm. curr[N]_lcrit_alarm Output current critical low alarm. - LTC2974 and LTC2975 only. + LTC2972, LTC2974 and LTC2975 only. curr[N]_lowest Lowest output current. - LTC2974 and LTC2975 only. + LTC2972, LTC2974 and LTC2975 only. curr[N]_highest Highest output current. diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig index 5985997..92f26f3 100644 --- a/drivers/hwmon/pmbus/Kconfig +++ b/drivers/hwmon/pmbus/Kconfig @@ -113,8 +113,8 @@ config SENSORS_LTC2978 tristate "Linear Technologies LTC2978 and compatibles" help If you say yes here you get hardware monitoring support for Linear - Technology LTC2974, LTC2975, LTC2977, LTC2978, LTC2980, LTC3880, - LTC3883, LTC3886, LTC3887, LTCM2987, LTM4675, and LTM4676. + Technology LTC2972, LTC2974, LTC2975, LTC2977, LTC2978, LTC2979, + LTC2980, and LTM2987. This driver can also be built as a module. If so, the module will be called ltc2978. @@ -123,9 +123,10 @@ config SENSORS_LTC2978_REGULATOR bool "Regulator support for LTC2978 and compatibles" depends on SENSORS_LTC2978 && REGULATOR help - If you say yes here you get regulator support for Linear - Technology LTC2974, LTC2977, LTC2978, LTC3880, LTC3883, LTM4676 - and LTM4686. + If you say yes here you get regulator support for Linear Technology + LTC3880, LTC3883, LTC3884, LTC3886, LTC3887, LTC3889, LTC7880, + LTM4644, LTM4675, LTM4676, LTM4677, LTM4678, LTM4680, LTM4686, + and LTM4700. config SENSORS_LTC3815 tristate "Linear Technologies LTC3815" diff --git a/drivers/hwmon/pmbus/ltc2978.c b/drivers/hwmon/pmbus/ltc2978.c index a91ed01..8f619d0 100644 --- a/drivers/hwmon/pmbus/ltc2978.c +++ b/drivers/hwmon/pmbus/ltc2978.c @@ -19,8 +19,10 @@ #include #include "pmbus.h" -enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882, - ltc3883, ltc3886, ltc3887, ltm2987, ltm4675, ltm4676, ltm4686 }; +enum chips { ltc2972, ltc2974, ltc2975, ltc2977, ltc2978, ltc2979, ltc2980, /* Managers */ + ltc3880, ltc3882, ltc3883, ltc3884, ltc3886, ltc3887, ltc3889, ltc7880, /* Controllers */ + ltm2987, ltm4664, ltm4675, ltm4676, ltm4677, ltm4678, ltm4680, ltm4686, ltm4700 /* Modules */ +}; /* Common for all chips */ #define LTC2978_MFR_VOUT_PEAK 0xdd @@ -43,9 +45,10 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882, #define LTC3880_MFR_CLEAR_PEAKS 0xe3 #define LTC3880_MFR_TEMPERATURE2_PEAK 0xf4 -/* LTC3883 and LTC3886 only */ +/* LTC3883, LTC3884, LTC3886, LTC3889 and LTC7880 only */ #define LTC3883_MFR_IIN_PEAK 0xe1 + /* LTC2975 only */ #define LTC2975_MFR_IIN_PEAK 0xc4 #define LTC2975_MFR_IIN_MIN 0xc5 @@ -54,27 +57,41 @@ enum chips { ltc2974, ltc2975, ltc2977, ltc2978, ltc2980, ltc3880, ltc3882, #define LTC2978_ID_MASK 0xfff0 +#define LTC2972_ID 0x0310 #define LTC2974_ID 0x0210 #define LTC2975_ID 0x0220 #define LTC2977_ID 0x0130 #define LTC2978_ID_REV1 0x0110 /* Early revision */ #define LTC2978_ID_REV2 0x0120 +#define LTC2979_ID_A 0x8060 +#define LTC2979_ID_B 0x8070 #define LTC2980_ID_A 0x8030 /* A/B for two die IDs */ #define LTC2980_ID_B 0x8040 #define LTC3880_ID 0x4020 #define LTC3882_ID 0x4200 #define LTC3882_ID_D1 0x4240 /* Dash 1 */ #define LTC3883_ID 0x4300 +#define LTC3884_ID 0x4C00 #define LTC3886_ID 0x4600 #define LTC3887_ID 0x4700 #define LTM2987_ID_A 0x8010 /* A/B for two die IDs */ #define LTM2987_ID_B 0x8020 +#define LTC3889_ID 0x4900 +#define LTC7880_ID 0x49E0 +#define LTM4664_ID 0x4120 #define LTM4675_ID 0x47a0 #define LTM4676_ID_REV1 0x4400 #define LTM4676_ID_REV2 0x4480 #define LTM4676A_ID 0x47e0 +#define LTM4677_ID_REV1 0x47B0 +#define LTM4677_ID_REV2 0x47D0 +#define LTM4678_ID_REV1 0x4100 +#define LTM4678_ID_REV2 0x4110 +#define LTM4680_ID 0x4140 #define LTM4686_ID 0x4770 +#define LTM4700_ID 0x4130 +#define LTC2972_NUM_PAGES 2 #define LTC2974_NUM_PAGES 4 #define LTC2978_NUM_PAGES 8 #define LTC3880_NUM_PAGES 2 @@ -492,20 +509,30 @@ static int ltc2978_write_word_data(struct i2c_client *client, int page, } static const struct i2c_device_id ltc2978_id[] = { + {"ltc2972", ltc2972}, {"ltc2974", ltc2974}, {"ltc2975", ltc2975}, {"ltc2977", ltc2977}, {"ltc2978", ltc2978}, + {"ltc2979", ltc2979}, {"ltc2980", ltc2980}, {"ltc3880", ltc3880}, {"ltc3882", ltc3882}, {"ltc3883", ltc3883}, + {"ltc3884", ltc3884}, {"ltc3886", ltc3886}, {"ltc3887", ltc3887}, + {"ltc3889", ltc3889}, + {"ltc7880", ltc7880}, {"ltm2987", ltm2987}, + {"ltm4664", ltm4664}, {"ltm4675", ltm4675}, {"ltm4676", ltm4676}, + {"ltm4677", ltm4677}, + {"ltm4678", ltm4678}, + {"ltm4680", ltm4680}, {"ltm4686", ltm4686}, + {"ltm4700", ltm4700}, {} }; MODULE_DEVICE_TABLE(i2c, ltc2978_id); @@ -555,7 +582,9 @@ static int ltc2978_get_id(struct i2c_client *client) chip_id &= LTC2978_ID_MASK; - if (chip_id == LTC2974_ID) + if (chip_id == LTC2972_ID) + return ltc2972; + else if (chip_id == LTC2974_ID) return ltc2974; else if (chip_id == LTC2975_ID) return ltc2975; @@ -563,6 +592,8 @@ static int ltc2978_get_id(struct i2c_client *client) return ltc2977; else if (chip_id == LTC2978_ID_REV1 || chip_id == LTC2978_ID_REV2) return ltc2978; + else if (chip_id == LTC2979_ID_A || chip_id == LTC2979_ID_B) + return ltc2979; else if (chip_id == LTC2980_ID_A || chip_id == LTC2980_ID_B) return ltc2980; else if (chip_id == LTC3880_ID) @@ -571,19 +602,34 @@ static int ltc2978_get_id(struct i2c_client *client) return ltc3882; else if (chip_id == LTC3883_ID) return ltc3883; + else if (chip_id == LTC3884_ID) + return ltc3884; else if (chip_id == LTC3886_ID) return ltc3886; else if (chip_id == LTC3887_ID) return ltc3887; + else if (chip_id == LTC3889_ID) + return ltc3889; + else if (chip_id == LTC7880_ID) + return ltc7880; else if (chip_id == LTM2987_ID_A || chip_id == LTM2987_ID_B) return ltm2987; + else if (chip_id == LTM4664_ID) + return ltm4664; else if (chip_id == LTM4675_ID) return ltm4675; - else if (chip_id == LTM4676_ID_REV1 || chip_id == LTM4676_ID_REV2 || - chip_id == LTM4676A_ID) + else if (chip_id == LTM4676_ID_REV1 || chip_id == LTM4676_ID_REV2 || chip_id == LTM4676A_ID) return ltm4676; + else if (chip_id == LTM4677_ID_REV1 || chip_id == LTM4677_ID_REV2) + return ltm4677; + else if (chip_id == LTM4678_ID_REV1 || chip_id == LTM4678_ID_REV2) + return ltm4678; + else if (chip_id == LTM4680_ID) + return ltm4680; else if (chip_id == LTM4686_ID) return ltm4686; + else if (chip_id == LTM4700_ID) + return ltm4700; dev_err(&client->dev, "Unsupported chip ID 0x%x\n", chip_id); return -ENODEV; @@ -637,6 +683,19 @@ static int ltc2978_probe(struct i2c_client *client, data->temp2_max = 0x7c00; switch (data->id) { + case ltc2972: + info->read_word_data = ltc2975_read_word_data; + info->pages = LTC2972_NUM_PAGES; + info->func[0] = PMBUS_HAVE_IIN | PMBUS_HAVE_PIN + | PMBUS_HAVE_VIN | PMBUS_HAVE_STATUS_INPUT + | PMBUS_HAVE_TEMP2; + for (i = 0; i < info->pages; i++) { + info->func[i] |= PMBUS_HAVE_VOUT + | PMBUS_HAVE_STATUS_VOUT | PMBUS_HAVE_POUT + | PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP + | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT; + } + break; case ltc2974: info->read_word_data = ltc2974_read_word_data; info->pages = LTC2974_NUM_PAGES; @@ -662,8 +721,10 @@ static int ltc2978_probe(struct i2c_client *client, | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT; } break; + case ltc2977: case ltc2978: + case ltc2979: case ltc2980: case ltm2987: info->read_word_data = ltc2978_read_word_data; @@ -680,6 +741,7 @@ static int ltc2978_probe(struct i2c_client *client, case ltc3887: case ltm4675: case ltm4676: + case ltm4677: case ltm4686: data->features |= FEAT_CLEAR_PEAKS | FEAT_NEEDS_POLLING; info->read_word_data = ltc3880_read_word_data; @@ -721,7 +783,14 @@ static int ltc2978_probe(struct i2c_client *client, | PMBUS_HAVE_PIN | PMBUS_HAVE_POUT | PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP; break; + case ltc3884: case ltc3886: + case ltc3889: + case ltc7880: + case ltm4664: + case ltm4678: + case ltm4680: + case ltm4700: data->features |= FEAT_CLEAR_PEAKS | FEAT_NEEDS_POLLING; info->read_word_data = ltc3883_read_word_data; info->pages = LTC3880_NUM_PAGES; @@ -752,22 +821,33 @@ static int ltc2978_probe(struct i2c_client *client, return pmbus_do_probe(client, id, info); } + #ifdef CONFIG_OF static const struct of_device_id ltc2978_of_match[] = { + { .compatible = "lltc,ltc2972" }, { .compatible = "lltc,ltc2974" }, { .compatible = "lltc,ltc2975" }, { .compatible = "lltc,ltc2977" }, { .compatible = "lltc,ltc2978" }, + { .compatible = "lltc,ltc2979" }, { .compatible = "lltc,ltc2980" }, { .compatible = "lltc,ltc3880" }, { .compatible = "lltc,ltc3882" }, { .compatible = "lltc,ltc3883" }, + { .compatible = "lltc,ltc3884" }, { .compatible = "lltc,ltc3886" }, { .compatible = "lltc,ltc3887" }, + { .compatible = "lltc,ltc3889" }, + { .compatible = "lltc,ltc7880" }, { .compatible = "lltc,ltm2987" }, + { .compatible = "lltc,ltm4664" }, { .compatible = "lltc,ltm4675" }, { .compatible = "lltc,ltm4676" }, + { .compatible = "lltc,ltm4677" }, + { .compatible = "lltc,ltm4678" }, + { .compatible = "lltc,ltm4680" }, { .compatible = "lltc,ltm4686" }, + { .compatible = "lltc,ltm4700" }, { } }; MODULE_DEVICE_TABLE(of, ltc2978_of_match);