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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Claudiu.Beznea@microchip.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Claudiu Beznea Add RTT wakeup capability. Signed-off-by: Claudiu Beznea Acked-by: Nicolas Ferre --- drivers/power/reset/at91-sama5d2_shdwc.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c index 2b686c55b717..0747e0cdf350 100644 --- a/drivers/power/reset/at91-sama5d2_shdwc.c +++ b/drivers/power/reset/at91-sama5d2_shdwc.c @@ -57,15 +57,21 @@ #define SHDW_WK_PIN(reg, cfg) ((reg) & AT91_SHDW_WKUPIS((cfg)->wkup_pin_input)) #define SHDW_RTCWK(reg, cfg) (((reg) >> ((cfg)->sr_rtcwk_shift)) & 0x1) +#define SHDW_RTTWK(reg, cfg) (((reg) >> ((cfg)->sr_rttwk_shift)) & 0x1) #define SHDW_RTCWKEN(cfg) (1 << ((cfg)->mr_rtcwk_shift)) +#define SHDW_RTTWKEN(cfg) (1 << ((cfg)->mr_rttwk_shift)) #define DBC_PERIOD_US(x) DIV_ROUND_UP_ULL((1000000 * (x)), \ SLOW_CLOCK_FREQ) +#define SHDW_CFG_NOT_USED (32) + struct shdwc_config { u8 wkup_pin_input; u8 mr_rtcwk_shift; + u8 mr_rttwk_shift; u8 sr_rtcwk_shift; + u8 sr_rttwk_shift; }; struct shdwc { @@ -104,6 +110,8 @@ static void __init at91_wakeup_status(struct platform_device *pdev) reason = "WKUP pin"; else if (SHDW_RTCWK(reg, shdw->cfg)) reason = "RTC"; + else if (SHDW_RTTWK(reg, shdw->cfg)) + reason = "RTT"; pr_info("AT91: Wake-Up source: %s\n", reason); } @@ -221,6 +229,9 @@ static void at91_shdwc_dt_configure(struct platform_device *pdev) if (of_property_read_bool(np, "atmel,wakeup-rtc-timer")) mode |= SHDW_RTCWKEN(shdw->cfg); + if (of_property_read_bool(np, "atmel,wakeup-rtt-timer")) + mode |= SHDW_RTTWKEN(shdw->cfg); + dev_dbg(&pdev->dev, "%s: mode = %#x\n", __func__, mode); writel(mode, shdw->shdwc_base + AT91_SHDW_MR); @@ -231,7 +242,10 @@ static void at91_shdwc_dt_configure(struct platform_device *pdev) static const struct shdwc_config sama5d2_shdwc_config = { .wkup_pin_input = 0, .mr_rtcwk_shift = 17, + .mr_rttwk_shift = SHDW_CFG_NOT_USED, .sr_rtcwk_shift = 5, + .sr_rttwk_shift = SHDW_CFG_NOT_USED, +}; }; static const struct of_device_id at91_shdwc_of_match[] = { From patchwork Thu Feb 21 13:45:51 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Claudiu Beznea X-Patchwork-Id: 10824127 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0C47B13B5 for ; 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Thu, 21 Feb 2019 13:45:52 +0000 From: To: , , , , , Subject: [PATCH v2 2/3] power: reset: at91-poweroff: add support for SAM9X60 Thread-Topic: [PATCH v2 2/3] power: reset: at91-poweroff: add support for SAM9X60 Thread-Index: AQHUyevC+XfzIbxbM0yYZ6tVu9cVKA== Date: Thu, 21 Feb 2019 13:45:51 +0000 Message-ID: <1550756716-3032-3-git-send-email-claudiu.beznea@microchip.com> References: <1550756716-3032-1-git-send-email-claudiu.beznea@microchip.com> In-Reply-To: <1550756716-3032-1-git-send-email-claudiu.beznea@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: VI1P190CA0036.EURP190.PROD.OUTLOOK.COM (2603:10a6:802:2b::49) To MWHPR11MB1920.namprd11.prod.outlook.com (2603:10b6:300:110::19) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Claudiu.Beznea@microchip.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.7.4 x-originating-ip: [94.177.32.154] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: a61f572e-e926-4eca-a081-08d69802e4af x-microsoft-antispam: BCL:0; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Claudiu.Beznea@microchip.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Claudiu Beznea Add support for SAM9X60 shutdown controller. Signed-off-by: Claudiu Beznea Acked-by: Nicolas Ferre --- drivers/power/reset/at91-sama5d2_shdwc.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c index 0747e0cdf350..e341cc5c0ea6 100644 --- a/drivers/power/reset/at91-sama5d2_shdwc.c +++ b/drivers/power/reset/at91-sama5d2_shdwc.c @@ -246,12 +246,23 @@ static const struct shdwc_config sama5d2_shdwc_config = { .sr_rtcwk_shift = 5, .sr_rttwk_shift = SHDW_CFG_NOT_USED, }; + +static const struct shdwc_config sam9x60_shdwc_config = { + .wkup_pin_input = 0, + .mr_rtcwk_shift = 17, + .mr_rttwk_shift = 16, + .sr_rtcwk_shift = 5, + .sr_rttwk_shift = 4, }; static const struct of_device_id at91_shdwc_of_match[] = { { .compatible = "atmel,sama5d2-shdwc", .data = &sama5d2_shdwc_config, + }, + { + .compatible = "microchip,sam9x60-shdwc", + .data = &sam9x60_shdwc_config, }, { /*sentinel*/ } From patchwork Thu Feb 21 13:45:56 2019 Content-Type: text/plain; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Claudiu.Beznea@microchip.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Claudiu Beznea Add documentation for SAM9X60 shutdown controller. Signed-off-by: Claudiu Beznea Acked-by: Nicolas Ferre Reviewed-by: Rob Herring --- Documentation/devicetree/bindings/arm/atmel-sysregs.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt index 14f319f694b7..50f282ccbcb7 100644 --- a/Documentation/devicetree/bindings/arm/atmel-sysregs.txt +++ b/Documentation/devicetree/bindings/arm/atmel-sysregs.txt @@ -83,7 +83,7 @@ SHDWC SAMA5D2-Compatible Shutdown Controller 1) shdwc node required properties: -- compatible: should be "atmel,sama5d2-shdwc". +- compatible: should be "atmel,sama5d2-shdwc" or "microchip,sam9x60-shdwc". - reg: should contain registers location and length - clocks: phandle to input clock. - #address-cells: should be one. The cell is the wake-up input index. @@ -95,6 +95,9 @@ optional properties: microseconds. It's usually a board-related property. - atmel,wakeup-rtc-timer: boolean to enable Real-Time Clock wake-up. +optional microchip,sam9x60-shdwc properties: +- atmel,wakeup-rtt-timer: boolean to enable Real-time Timer Wake-up. + The node contains child nodes for each wake-up input that the platform uses. 2) input nodes