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Thu, 20 Sep 2018 10:58:46 -0700 (PDT) From: Anand Moon To: Rob Herring , Mark Rutland , Kukjin Kim , Krzysztof Kozlowski , Marek Szyprowski , Jaehoon Chung , Ulf Hansson Subject: [PATCHv3 1/7] ARM: dts: exynos5422: Added UHS-I bus speed support Date: Thu, 20 Sep 2018 17:58:20 +0000 Message-Id: <20180920175826.1284-2-linux.amoon@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180920175826.1284-1-linux.amoon@gmail.com> References: <20180920175826.1284-1-linux.amoon@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180920_105857_900741_64C9D25C X-CRM114-Status: GOOD ( 14.63 ) 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, linux-samsung-soc@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 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 Added support for UHS-I bus speed tuning for SDR50, DDR50 SDR104. Signed-off-by: Anand Moon --- [0] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-October/376263.html Changes from above. Fix the subject and commit message. drop sd-uhs-sdr12 and sd-uhs-sdr25 as host driver is not enable as of now --- arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi index 2f4f40882dab..3a58c935c52a 100644 --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi @@ -370,6 +370,9 @@ cap-sd-highspeed; vmmc-supply = <&ldo19_reg>; vqmmc-supply = <&ldo13_reg>; + sd-uhs-sdr50; + sd-uhs-sdr104; + sd-uhs-ddr50; }; &nocp_mem0_0 { From patchwork Thu Sep 20 17:58:21 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 10608409 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 59E83913 for ; Thu, 20 Sep 2018 18:00:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 521592E579 for ; 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Thu, 20 Sep 2018 10:58:51 -0700 (PDT) Received: from localhost.localdomain ([103.51.74.159]) by smtp.gmail.com with ESMTPSA id n29-v6sm29963555pgl.30.2018.09.20.10.58.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 20 Sep 2018 10:58:50 -0700 (PDT) From: Anand Moon To: Rob Herring , Mark Rutland , Kukjin Kim , Krzysztof Kozlowski , Marek Szyprowski , Jaehoon Chung , Ulf Hansson Subject: [PATCHv3 2/7] ARM: dts: exynos5422: fix regulator min values of LDO13 for Odroid XU3/XU4 Date: Thu, 20 Sep 2018 17:58:21 +0000 Message-Id: <20180920175826.1284-3-linux.amoon@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180920175826.1284-1-linux.amoon@gmail.com> References: <20180920175826.1284-1-linux.amoon@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180920_105901_933264_DCE31DF5 X-CRM114-Status: GOOD ( 16.22 ) 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, linux-samsung-soc@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 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 looking at the schematic sd_2 min/max range from 1.8V/2.8V so fix the regulator min value to 1.8V. Without these changes sdcard will failed to detect on booting when UHS-I tuning is enabled. Signed-off-by: Anand Moon --- [0] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-October/376262.html Fixed the commit message. drop the ramp-delay changes. drop the vmmc-supply/vqmmc-supply changes. --- arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi index 3a58c935c52a..01593f4537ae 100644 --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi @@ -224,7 +224,7 @@ ldo13_reg: LDO13 { regulator-name = "vddq_mmc2"; - regulator-min-microvolt = <2800000>; + regulator-min-microvolt = <1800000>; regulator-max-microvolt = <2800000>; }; From patchwork Thu Sep 20 17:58:22 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 10608411 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 2FB6B14DA for ; 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Signed-off-by: Anand Moon --- This patch is new to this series. microSD card. root@odroid:~# sudo cat /sys/kernel/debug/mmc1/ios clock: 200000000 Hz actual clock: 200000000 Hz vdd: 16 (2.8 ~ 2.9 V) bus mode: 2 (push-pull) chip select: 0 (don't care) power mode: 2 (on) bus width: 2 (4 bits) timing spec: 6 (sd uhs SDR104) signal voltage: 1 (1.80 V) driver type: 0 (driver type B) --- arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi index 01593f4537ae..914ee08c7eb2 100644 --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi @@ -368,6 +368,7 @@ pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus1 &sd2_bus4>; bus-width = <4>; cap-sd-highspeed; + max-frequency = <200000000>; vmmc-supply = <&ldo19_reg>; vqmmc-supply = <&ldo13_reg>; sd-uhs-sdr50; From patchwork Thu Sep 20 17:58:23 2018 Content-Type: text/plain; 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Thu, 20 Sep 2018 10:58:59 -0700 (PDT) From: Anand Moon To: Rob Herring , Mark Rutland , Kukjin Kim , Krzysztof Kozlowski , Marek Szyprowski , Jaehoon Chung , Ulf Hansson Subject: [PATCHv3 4/7] ARM: dts: exynos5422: use cd-gpio method to detect sd-card Date: Thu, 20 Sep 2018 17:58:23 +0000 Message-Id: <20180920175826.1284-5-linux.amoon@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180920175826.1284-1-linux.amoon@gmail.com> References: <20180920175826.1284-1-linux.amoon@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180920_105910_453923_A6117E79 X-CRM114-Status: GOOD ( 14.09 ) 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, linux-samsung-soc@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 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 add the Card Detect GPIO property for sdcard detect, to fix the warning message during boot time. of_get_named_gpiod_flags: can't parse 'cp-gpios' property of node '/soc/mmc@12220000[0]' Signed-off-by: Anand Moon --- [0] http://lists.infradead.org/pipermail/linux-arm-kernel/2015-October/376261.html Fixed the commit message. --- arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi index 914ee08c7eb2..03fe02ceae66 100644 --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi @@ -369,6 +369,7 @@ bus-width = <4>; cap-sd-highspeed; max-frequency = <200000000>; + cd-gpios = <&gpc2 2 GPIO_ACTIVE_LOW>; vmmc-supply = <&ldo19_reg>; vqmmc-supply = <&ldo13_reg>; sd-uhs-sdr50; From patchwork Thu Sep 20 17:58:24 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 10608415 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 C2400913 for ; Thu, 20 Sep 2018 18:02:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BA1702E590 for ; Thu, 20 Sep 2018 18:02:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id ADAA42E5A6; Thu, 20 Sep 2018 18:02:40 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,DKIM_VALID,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A566A2E590 for ; 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Thu, 20 Sep 2018 10:59:03 -0700 (PDT) From: Anand Moon To: Rob Herring , Mark Rutland , Kukjin Kim , Krzysztof Kozlowski , Marek Szyprowski , Jaehoon Chung , Ulf Hansson Subject: [PATCHv3 5/7] ARM: dts: exynos5422: use wp-gpio method to detect sd-card Date: Thu, 20 Sep 2018 17:58:24 +0000 Message-Id: <20180920175826.1284-6-linux.amoon@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180920175826.1284-1-linux.amoon@gmail.com> References: <20180920175826.1284-1-linux.amoon@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180920_105914_741418_81A0E569 X-CRM114-Status: GOOD ( 14.12 ) 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, linux-samsung-soc@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 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 add the Write Protect GPIO property for sdcard, to fix the warning message during boot time. of_get_named_gpiod_flags: can't parse 'wp-gpios' property of node '/soc/mmc@12220000[0]' Signed-off-by: Anand Moon --- New patch to this series. If we keep the wp-gpio GPIO_ACTIVE_LOW sdcard boot into RO mode. --- arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi index 03fe02ceae66..475c38bbc99e 100644 --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi @@ -370,6 +370,7 @@ cap-sd-highspeed; max-frequency = <200000000>; cd-gpios = <&gpc2 2 GPIO_ACTIVE_LOW>; + wp-gpios = <&gpc4 0 GPIO_ACTIVE_HIGH>; vmmc-supply = <&ldo19_reg>; vqmmc-supply = <&ldo13_reg>; sd-uhs-sdr50; From patchwork Thu Sep 20 17:58:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 10608417 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 419AE14DA for ; 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Signed-off-by: Anand Moon --- This patch is new to this series. MMC root@odroid:~# sudo cat /sys/kernel/debug/mmc0/ios clock: 200000000 Hz actual clock: 200000000 Hz vdd: 7 (1.65 - 1.95 V) bus mode: 2 (push-pull) chip select: 0 (don't care) power mode: 2 (on) bus width: 3 (8 bits) timing spec: 10 (mmc HS400) signal voltage: 1 (1.80 V) driver type: 0 (driver type B) --- arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi index 96e281c0a118..5748f840becc 100644 --- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi +++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi @@ -386,6 +386,7 @@ cap-mmc-highspeed; mmc-hs200-1_8v; mmc-hs400-1_8v; + max-frequency = <200000000>; vmmc-supply = <&ldo18_reg>; vqmmc-supply = <&ldo3_reg>; }; From patchwork Thu Sep 20 17:58:26 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anand Moon X-Patchwork-Id: 10608425 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 90FC0913 for ; 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Thu, 20 Sep 2018 10:59:35 -0700 (PDT) Received: from localhost.localdomain ([103.51.74.159]) by smtp.gmail.com with ESMTPSA id n29-v6sm29963555pgl.30.2018.09.20.10.59.31 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 20 Sep 2018 10:59:34 -0700 (PDT) From: Anand Moon To: Rob Herring , Mark Rutland , Kukjin Kim , Krzysztof Kozlowski , Marek Szyprowski , Jaehoon Chung , Ulf Hansson Subject: [PATCHv3 7/7] mmc: dw_mmc-exynos: Add tuning for sdr and ddr timing for USH-I mode Date: Thu, 20 Sep 2018 17:58:26 +0000 Message-Id: <20180920175826.1284-8-linux.amoon@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180920175826.1284-1-linux.amoon@gmail.com> References: <20180920175826.1284-1-linux.amoon@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180920_105946_993175_5623E46A X-CRM114-Status: GOOD ( 15.20 ) 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, linux-samsung-soc@vger.kernel.org, linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 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 Add tuning for sdr and ddr timing for USH-I mode sdr104/sdr50/ddr50 for host controller. CC: Jaehoon Chung CC: Marek Szyprowski Signed-off-by: Anand Moon --- This patch is new to this series --- drivers/mmc/host/dw_mmc-exynos.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c index ab47b018716a..d46c3439b508 100644 --- a/drivers/mmc/host/dw_mmc-exynos.c +++ b/drivers/mmc/host/dw_mmc-exynos.c @@ -253,6 +253,8 @@ static void dw_mci_exynos_config_hs400(struct dw_mci *host, u32 timing) if (timing == MMC_TIMING_MMC_HS400) { dqs |= DATA_STROBE_EN; strobe = DQS_CTRL_RD_DELAY(strobe, priv->dqs_delay); + } else if (timing == MMC_TIMING_UHS_SDR104) { + dqs &= 0xffffff00; } else { dqs &= ~DATA_STROBE_EN; } @@ -312,6 +314,15 @@ static void dw_mci_exynos_set_ios(struct dw_mci *host, struct mmc_ios *ios) if (ios->bus_width == MMC_BUS_WIDTH_8) wanted <<= 1; break; + case MMC_TIMING_UHS_SDR104: + case MMC_TIMING_UHS_SDR50: + clksel = (priv->sdr_timing & 0xfff8ffff) | + (priv->ciu_div << 16); + break; + case MMC_TIMING_UHS_DDR50: + clksel = (priv->ddr_timing & 0xfff8ffff) | + (priv->ciu_div << 16); + break; default: clksel = priv->sdr_timing; }