[v2,0/4] Add nxp bbnsm module support

Message ID	20221226023942.1027270-1-ping.bai@nxp.com
Headers	show Return-Path: <devicetree-owner@vger.kernel.org> From: Jacky Bai <ping.bai@nxp.com> To: lee@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org, s.hauer@pengutronix.de, dmitry.torokhov@gmail.com, a.zummo@towertech.it, alexandre.belloni@bootlin.com Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org, linux-rtc@vger.kernel.org, kernel@pengutronix.de, linux-imx@nxp.com, festevam@gmail.com Subject: [PATCH v2 0/4] Add nxp bbnsm module support Date: Mon, 26 Dec 2022 10:39:38 +0800 Message-Id: <20221226023942.1027270-1-ping.bai@nxp.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain MIME-Version: 1.0 Precedence: bulk
Series	Add nxp bbnsm module support \| expand [v2,0/4] Add nxp bbnsm module support [v2,1/4] dt-bindings: mfd: Add nxp bbnsm [v2,2/4] input: bbnsm_pwrkey: Add bbnsm power key support [v2,3/4] rtc: bbnsm: Add the bbnsm rtc support [v2,4/4] arm64: dts: imx93: Add the bbnsm dts node

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20221226023942.1027270-1-ping.bai@nxp.com

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From: Jacky Bai <ping.bai@nxp.com>
To: lee@kernel.org, robh+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org,
        s.hauer@pengutronix.de, dmitry.torokhov@gmail.com,
        a.zummo@towertech.it, alexandre.belloni@bootlin.com
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-input@vger.kernel.org, linux-rtc@vger.kernel.org,
        kernel@pengutronix.de, linux-imx@nxp.com, festevam@gmail.com
Subject: [PATCH v2 0/4] Add nxp bbnsm module support
Date: Mon, 26 Dec 2022 10:39:38 +0800
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Series

Add nxp bbnsm module support | expand

Message

Jacky Bai Dec. 26, 2022, 2:39 a.m. UTC

NXP BBNSM (Battery-Backed Non-Secure Module) serves as non-volatile
logic and storage for the system. it provides some similar functions
like RTC and ON/OFF support as previous SNVS module found on legacy
i.MX SoCs. The BBNSM is replacement of previous SNVS module, and more
likely it will be used on all the future i.MX SoC or other SoCs from
NXP.

This patchset add the basic support for BBNSM that found on i.MX93.

Jacky Bai (4):
  dt-bindings: mfd: Add nxp bbnsm
  input: bbnsm_pwrkey: Add bbnsm power key support
  rtc: bbnsm: Add the bbnsm rtc support
  arm64: dts: imx93: Add the bbnsm dts node

 .../devicetree/bindings/mfd/nxp,bbnsm.yaml    | 113 +++++++++
 arch/arm64/boot/dts/freescale/imx93.dtsi      |  18 ++
 drivers/input/keyboard/Kconfig                |  11 +
 drivers/input/keyboard/Makefile               |   1 +
 drivers/input/keyboard/nxp-bbnsm-pwrkey.c     | 190 +++++++++++++++
 drivers/rtc/Kconfig                           |  12 +
 drivers/rtc/Makefile                          |   1 +
 drivers/rtc/rtc-nxp-bbnsm.c                   | 225 ++++++++++++++++++
 8 files changed, 571 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/nxp,bbnsm.yaml
 create mode 100644 drivers/input/keyboard/nxp-bbnsm-pwrkey.c
 create mode 100644 drivers/rtc/rtc-nxp-bbnsm.c