diff options
Diffstat (limited to 'arm-sdhci-esdhc-imx-fixes.patch')
| -rw-r--r-- | arm-sdhci-esdhc-imx-fixes.patch | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/arm-sdhci-esdhc-imx-fixes.patch b/arm-sdhci-esdhc-imx-fixes.patch index c42f9e195..5f041cedc 100644 --- a/arm-sdhci-esdhc-imx-fixes.patch +++ b/arm-sdhci-esdhc-imx-fixes.patch @@ -1,118 +1,3 @@ -From patchwork Thu Jun 28 07:31:36 2018 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -Subject: mmc: sdhci-esdhc-imx: support eMMC DDR mode when running at 3.3V -From: Stefan Agner <stefan@agner.ch> -X-Patchwork-Id: 10493185 -Message-Id: <20180628073136.21748-1-stefan@agner.ch> -To: adrian.hunter@intel.com, ulf.hansson@linaro.org -Cc: fabio.estevam@nxp.com, haibo.chen@nxp.com, aisheng.dong@nxp.com, - michael@amarulasolutions.com, linux-mmc@vger.kernel.org, - linux-kernel@vger.kernel.org, Stefan Agner <stefan@agner.ch> -Date: Thu, 28 Jun 2018 09:31:36 +0200 - -The uSDHC supports DDR modes for eMMC devices running at 3.3V. This -allows to run eMMC with 3.3V signaling voltage at DDR52 mode: - - # cat /sys/kernel/debug/mmc1/ios - clock: 52000000 Hz - vdd: 21 (3.3 ~ 3.4 V) - bus mode: 2 (push-pull) - chip select: 0 (don't care) - power mode: 2 (on) - bus width: 3 (8 bits) - timing spec: 8 (mmc DDR52) - signal voltage: 0 (3.30 V) - driver type: 0 (driver type B) - -Signed-off-by: Stefan Agner <stefan@agner.ch> ---- - drivers/mmc/host/sdhci-esdhc-imx.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c -index b716b933f00a..6f444731754d 100644 ---- a/drivers/mmc/host/sdhci-esdhc-imx.c -+++ b/drivers/mmc/host/sdhci-esdhc-imx.c -@@ -1324,7 +1324,7 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev) - - if (esdhc_is_usdhc(imx_data)) { - host->quirks2 |= SDHCI_QUIRK2_PRESET_VALUE_BROKEN; -- host->mmc->caps |= MMC_CAP_1_8V_DDR; -+ host->mmc->caps |= MMC_CAP_1_8V_DDR | MMC_CAP_3_3V_DDR; - if (!(imx_data->socdata->flags & ESDHC_FLAG_HS200)) - host->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200; - -From patchwork Thu Jun 28 08:13:29 2018 -Content-Type: text/plain; charset="utf-8" -MIME-Version: 1.0 -Content-Transfer-Encoding: 7bit -Subject: [1/3] mmc: sdhci-esdhc-imx: get rid of support_vsel -From: Stefan Agner <stefan@agner.ch> -X-Patchwork-Id: 10493269 -Message-Id: <20180628081331.13051-2-stefan@agner.ch> -To: adrian.hunter@intel.com, ulf.hansson@linaro.org -Cc: fabio.estevam@nxp.com, haibo.chen@nxp.com, aisheng.dong@nxp.com, - michael@amarulasolutions.com, rmk+kernel@armlinux.org.uk, - linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org, - Stefan Agner <stefan@agner.ch> -Date: Thu, 28 Jun 2018 10:13:29 +0200 - -The field support_vsel is currently only used in the device tree -case. Get rid of it. No change in behavior. - -Signed-off-by: Stefan Agner <stefan@agner.ch> ---- - drivers/mmc/host/sdhci-esdhc-imx.c | 8 ++------ - include/linux/platform_data/mmc-esdhc-imx.h | 2 -- - 2 files changed, 2 insertions(+), 8 deletions(-) - -diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c -index 6f444731754d..20a420b765b3 100644 ---- a/drivers/mmc/host/sdhci-esdhc-imx.c -+++ b/drivers/mmc/host/sdhci-esdhc-imx.c -@@ -1145,18 +1145,14 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev, - &boarddata->tuning_start_tap); - - if (of_find_property(np, "no-1-8-v", NULL)) -- boarddata->support_vsel = false; -- else -- boarddata->support_vsel = true; -+ host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V; - - if (of_property_read_u32(np, "fsl,delay-line", &boarddata->delay_line)) - boarddata->delay_line = 0; - - mmc_of_parse_voltage(np, &host->ocr_mask); - -- /* sdr50 and sdr104 need work on 1.8v signal voltage */ -- if ((boarddata->support_vsel) && esdhc_is_usdhc(imx_data) && -- !IS_ERR(imx_data->pins_default)) { -+ if (esdhc_is_usdhc(imx_data) && !IS_ERR(imx_data->pins_default)) { - imx_data->pins_100mhz = pinctrl_lookup_state(imx_data->pinctrl, - ESDHC_PINCTRL_STATE_100MHZ); - imx_data->pins_200mhz = pinctrl_lookup_state(imx_data->pinctrl, -diff --git a/include/linux/platform_data/mmc-esdhc-imx.h b/include/linux/platform_data/mmc-esdhc-imx.h -index 7daa78a2f342..640dec8b5b0c 100644 ---- a/include/linux/platform_data/mmc-esdhc-imx.h -+++ b/include/linux/platform_data/mmc-esdhc-imx.h -@@ -34,7 +34,6 @@ enum cd_types { - * @cd_gpio: gpio for card_detect interrupt - * @wp_type: type of write_protect method (see wp_types enum above) - * @cd_type: type of card_detect method (see cd_types enum above) -- * @support_vsel: indicate it supports 1.8v switching - */ - - struct esdhc_platform_data { -@@ -43,7 +42,6 @@ struct esdhc_platform_data { - enum wp_types wp_type; - enum cd_types cd_type; - int max_bus_width; -- bool support_vsel; - unsigned int delay_line; - unsigned int tuning_step; /* The delay cell steps in tuning procedure */ - unsigned int tuning_start_tap; /* The start delay cell point in tuning procedure */ From patchwork Thu Jun 28 08:13:30 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 |