From: Anand Moon <linux.amoon@gmail.com> To: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Kukjin Kim <kgene@kernel.org>, Krzysztof Kozlowski <krzk@kernel.org>, Marek Szyprowski <m.szyprowski@samsung.com>, Jaehoon Chung <jh80.chung@samsung.com>, Ulf Hansson <ulf.hansson@linaro.org> Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org 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 [thread overview] Message-ID: <20180920175826.1284-8-linux.amoon@gmail.com> (raw) In-Reply-To: <20180920175826.1284-1-linux.amoon@gmail.com> Add tuning for sdr and ddr timing for USH-I mode sdr104/sdr50/ddr50 for host controller. CC: Jaehoon Chung <jh80.chung@samsung.com> CC: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Anand Moon <linux.amoon@gmail.com> --- 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; } -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: linux.amoon@gmail.com (Anand Moon) To: linux-arm-kernel@lists.infradead.org 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 [thread overview] Message-ID: <20180920175826.1284-8-linux.amoon@gmail.com> (raw) In-Reply-To: <20180920175826.1284-1-linux.amoon@gmail.com> Add tuning for sdr and ddr timing for USH-I mode sdr104/sdr50/ddr50 for host controller. CC: Jaehoon Chung <jh80.chung@samsung.com> CC: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Anand Moon <linux.amoon@gmail.com> --- 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; } -- 2.17.1
next prev parent reply other threads:[~2018-09-20 17:59 UTC|newest] Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-09-20 17:58 [PATCHv3 0/7] Add support for UHS-I on Exynos5422 odroid boards Anand Moon 2018-09-20 17:58 ` Anand Moon 2018-09-20 17:58 ` [PATCHv3 1/7] ARM: dts: exynos5422: Added UHS-I bus speed support Anand Moon 2018-09-20 17:58 ` Anand Moon 2018-09-20 17:58 ` [PATCHv3 2/7] ARM: dts: exynos5422: fix regulator min values of LDO13 for Odroid XU3/XU4 Anand Moon 2018-09-20 17:58 ` Anand Moon 2018-09-20 17:58 ` [PATCHv3 3/7] ARM: dts: exynos5422: update maximum frequency for sdcard to 200MHz Anand Moon 2018-09-20 17:58 ` Anand Moon 2018-09-20 17:58 ` [PATCHv3 4/7] ARM: dts: exynos5422: use cd-gpio method to detect sd-card Anand Moon 2018-09-20 17:58 ` Anand Moon 2018-09-20 17:58 ` [PATCHv3 5/7] ARM: dts: exynos5422: use wp-gpio " Anand Moon 2018-09-20 17:58 ` Anand Moon 2018-09-21 11:12 ` Krzysztof Kozlowski 2018-09-21 11:12 ` Krzysztof Kozlowski 2018-09-21 11:12 ` Krzysztof Kozlowski 2018-09-21 12:31 ` Anand Moon 2018-09-21 12:31 ` Anand Moon 2018-09-21 12:31 ` Anand Moon 2018-09-21 21:09 ` Krzysztof Kozlowski 2018-09-21 21:09 ` Krzysztof Kozlowski 2018-09-22 7:55 ` Anand Moon 2018-09-22 7:55 ` Anand Moon 2018-09-20 17:58 ` [PATCHv3 6/7] ARM: dts: exynos5422: update maximum frequency for emmc to 200MHz Anand Moon 2018-09-20 17:58 ` Anand Moon 2018-09-20 17:58 ` Anand Moon [this message] 2018-09-20 17:58 ` [PATCHv3 7/7] mmc: dw_mmc-exynos: Add tuning for sdr and ddr timing for USH-I mode Anand Moon 2018-09-21 10:55 ` [PATCHv3 0/7] Add support for UHS-I on Exynos5422 odroid boards Krzysztof Kozlowski 2018-09-21 10:55 ` Krzysztof Kozlowski 2018-09-21 10:55 ` Krzysztof Kozlowski 2018-09-21 12:30 ` Anand Moon 2018-09-21 12:30 ` Anand Moon
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