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Thu, 14 May 2015 18:27:44 +0000 Received: from shlinux2.ap.freescale.net (shlinux2.ap.freescale.net [10.192.224.44]) by tx30smr01.am.freescale.net (8.14.3/8.14.0) with ESMTP id t4EIRUpK019483; Thu, 14 May 2015 11:27:41 -0700 From: To: , , , CC: , , , , , Frank Li Subject: [rtc-linux] [PATCH 3/7] Document: dt: fsl: snvs: change support syscon Date: Fri, 15 May 2015 01:18:49 +0800 Message-ID: <1431623933-3473-4-git-send-email-Frank.Li@freescale.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1431623933-3473-1-git-send-email-Frank.Li@freescale.com> References: <1431623933-3473-1-git-send-email-Frank.Li@freescale.com> X-EOPAttributedMessage: 0 X-Microsoft-Exchange-Diagnostics: 1; BL2FFO11FD035; 1:VET4YnqhIrd7wqKC8vBWT2aHAsbLAnJxxBFJEJqE0DNKLtCMRjrZ4vSP4kSC1ZiF1K8IaN7GPHD6wTcedl1x2AjcXT4BejAFHG3y6BpJlhJAG7lgIXs9VXToaN9AUN68kXy7RI1u56lpRhGiQth3HoOJljPg1fQv7nfVL7Q5GK42URHIG9K9cqNZznQwDyfteSI0r5K9SagOPUMivf/STqJFLifnFy/k+0Us0oJWNcF/A0DxRjB8l/6vFE3xhXZdgtaeLCtGP0N6OiGcPmGA/65DIwiY/FK4modFI+wpoU1o4jAAeJBNdtHp7+tOOUSE8Ar7WKuAXP1HMP0rhMzbhw== X-Forefront-Antispam-Report: CIP:192.88.168.50; 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contact rtc-linux+owners@googlegroups.com List-ID: X-Google-Group-Id: 712029733259 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , From: Frank Li snvs actually is multi fucntion driver. Change to use syscon to access register. Signed-off-by: Frank Li --- .../devicetree/bindings/crypto/fsl-sec4.txt | 51 ++++++++++++++++------ .../bindings/power_supply/imx-snvs-poweroff.txt | 24 +--------- 2 files changed, 39 insertions(+), 36 deletions(-) diff --git a/Documentation/devicetree/bindings/crypto/fsl-sec4.txt b/Documentation/devicetree/bindings/crypto/fsl-sec4.txt index e402277..ca04206 100644 --- a/Documentation/devicetree/bindings/crypto/fsl-sec4.txt +++ b/Documentation/devicetree/bindings/crypto/fsl-sec4.txt @@ -288,12 +288,13 @@ Secure Non-Volatile Storage (SNVS) Node Node defines address range and the associated interrupt for the SNVS function. This function monitors security state information & reports - security violations. + security violations. This also included rtc, + system power off and ON/OFF key. - compatible Usage: required Value type: - Definition: Must include "fsl,sec-v4.0-mon". + Definition: Must include "fsl,sec-v4.0-mon" and "syscon". - reg Usage: required @@ -324,7 +325,7 @@ Secure Non-Volatile Storage (SNVS) Node the child address, parent address, & length. - interrupts - Usage: required + Usage: optional Value type: Definition: Specifies the interrupts generated by this device. The value of the interrupts property @@ -341,7 +342,7 @@ Secure Non-Volatile Storage (SNVS) Node EXAMPLE sec_mon@314000 { - compatible = "fsl,sec-v4.0-mon"; + compatible = "fsl,sec-v4.0-mon", "syscon"; reg = <0x314000 0x1000>; ranges = <0 0x314000 0x1000>; interrupt-parent = <&mpic>; @@ -358,19 +359,41 @@ Secure Non-Volatile Storage (SNVS) Low Power (LP) RTC Node Value type: Definition: Must include "fsl,sec-v4.0-mon-rtc-lp". - - reg + - interrupts Usage: required - Value type: - Definition: A standard property. Specifies the physical - address and length of the SNVS LP configuration registers. + Value type: + Definition: Specifies the interrupts generated by this + device. The value of the interrupts property + consists of one interrupt specifier. The format + of the specifier is defined by the binding document + describing the node's interrupt parent. EXAMPLE - sec_mon_rtc_lp@314000 { + sec_mon_rtc_lp@1 { compatible = "fsl,sec-v4.0-mon-rtc-lp"; - reg = <0x34 0x58>; + interrupts = <93 2>; }; ===================================================================== +System power off Driver + + A SNVS child node that define system power off + SNVS_LPCR in SNVS module can power off the whole system by pull + PMIC_ON_REQ low if PMIC_ON_REQ is connected with external PMIC. + If you don't want to use PMIC_ON_REQ as power on/off control, + please set status='disabled' to disable this driver. + + - compatible + Usage: regquied + Value type: + Definition: Must include "fsl,sec-v4.0-poweroff" + +EXAMPLE + snvs_poweroff: snvs-poweroff { + compatible = "fsl,sec-v4.0-poweroff"; +}; + +===================================================================== FULL EXAMPLE crypto: crypto@300000 { @@ -443,13 +466,15 @@ FULL EXAMPLE compatible = "fsl,sec-v4.0-mon"; reg = <0x314000 0x1000>; ranges = <0 0x314000 0x1000>; - interrupt-parent = <&mpic>; - interrupts = <93 2>; sec_mon_rtc_lp@34 { compatible = "fsl,sec-v4.0-mon-rtc-lp"; - reg = <0x34 0x58>; + interrupts = <93 2>; }; + + snvs_poweroff: snvs-poweroff@38 { + compatible = "fsl,sec-v4.0-poweroff"; + }; }; ===================================================================== diff --git a/Documentation/devicetree/bindings/power_supply/imx-snvs-poweroff.txt b/Documentation/devicetree/bindings/power_supply/imx-snvs-poweroff.txt index dc7c9ba..70c1425 100644 --- a/Documentation/devicetree/bindings/power_supply/imx-snvs-poweroff.txt +++ b/Documentation/devicetree/bindings/power_supply/imx-snvs-poweroff.txt @@ -1,23 +1 @@ -i.mx6 Poweroff Driver - -SNVS_LPCR in SNVS module can power off the whole system by pull -PMIC_ON_REQ low if PMIC_ON_REQ is connected with external PMIC. -If you don't want to use PMIC_ON_REQ as power on/off control, -please set status='disabled' to disable this driver. - -Required Properties: --compatible: "fsl,sec-v4.0-poweroff" --reg: Specifies the physical address of the SNVS_LPCR register - -Example: - snvs@020cc000 { - compatible = "fsl,sec-v4.0-mon", "simple-bus"; - #address-cells = <1>; - #size-cells = <1>; - ranges = <0 0x020cc000 0x4000>; - ..... - snvs_poweroff: snvs-poweroff@38 { - compatible = "fsl,sec-v4.0-poweroff"; - reg = <0x38 0x4>; - }; - } +See Documentation/devicetree/bindings/crypto/fsl-sec4.txt