Message ID | 20210128094348.4038-1-a-govindraju@ti.com |
---|---|
Headers | show |
Series | Add support for MMC higher speed modes for TI's am65x, j721e and j7200 platforms | expand |
Hi, On 28/01/21 3:13 pm, Aswath Govindraju wrote: > The following patches add support for higher speeds in the SD card and > eMMC for TI's am65x, j721e, j7200 platforms. > > With these patches, the following max speeds are supported: > j721e: DDR50, HS200 > j7200: SDR104, HS400 > am65x: SDR104*, HS200 > > changes since v3: > 1. changed #if to if(IS_ENABLED()) in patch 1 for MMC_IO_VOLTAGE. > 2. changed the format for print statements added in v3 to remove > warnings arising when DM_REGULATOR variable is not defined > 3. Added a patch to add support for HS400 speed mode in J7200 > as it is now supported. > 4. edited patch 17 (in v3) to add support for HS400 instead of > HS200 as it is now supported in J7200 SoC. > 4. Added description for sdhci_set_ctrl_reg() function in > include/sdhci.h > 5. Added comment for mdelay in patch 1 > 6. Picked up Reviewed-by's from Jaehoon Chung > > changes since v2: > 1. Added print statements in case of failure for regulator_set_enable and > regulator_set_value function calls in patch 1 > 2. Removed patch 18 (in v2) as it has been applied by commit [1] > 3. renamed the function dev_get_platdata() to dev_get_plat in patch 8 > 4. rebased all the patches in seriesn > > changes since v1: > 1. Added patches to support UHS modes for the SD card even in am654x > platforms. > 2. Fixed an issue with patch 1 that was breaking builds on some platforms. > > * There's an issue with the am65x base board such that the power cycle > circuit to the card takes way longer than the wait time in mmc core. Until > this is fixed, am654x-evm and -idk will only support High speed mode at > 3.3V (see patch 20) but this shouldn't block us from adding UHS modes in > the dtsi as well as in the configs so other boards can still take advantage > of the higher speed. UHS modes have been tested by adding the appropriate > delay in the power cycle circuit. > > [1] - commit 67507e4aab5b ("sandbox: Fix up building for of-platdata") > > Link to v1: > https://patchwork.ozlabs.org/project/uboot/list/?series=206622 > > Aswath Govindraju (1): > arm: dts: k3-j7200-main: Add support for HS400 mode in MMCSD0 > subsystem > > Faiz Abbas (20): > mmc: sdhci: Add helper functions for UHS modes > mmc: am654_sdhci: Unconditionally switch off DLL in the beginning of > ios_post() > mmc: am654_sdhci: Convert flag fields to BIT macro > mmc: am654_sdhci: Add flag for PHY calibration > mmc: am654_sdhci: Add support for AM65x SR2.0 > mmc: am654_sdhci: Add support for input tap delay > mmc: am654_sdhci: Add support for writing to clkbuf_sel > mmc: am654_sdhci: Add support for software tuning > mmc: am654_sdhci: Fix HISPD bit configuration in some lower speed > modes > mmc: am654_sdhci: Use sdhci_set_control_reg() > arm: dts: k3-am65: Fix mmc nodes > arm: dts: k3-j721e-main: Update otap-delay values > arm: dts: k3-j721e-common-proc-board: Add support for UHS modes for SD > card > arm: dts: k3-j7200-main: Add support for gpio0 > arm: dts: k3-j7200-common-proc-board: Enable support for UHS modes > configs: j721e_evm: Add support for UHS modes > configs: j7200_evm: Add support for UHS modes > arm: dts: k3-am65-main: Add itapdly and clkbuf-sel values > arm: dts: k3-am654-base-board: Limit Sd card to High speed modes > configs: am65x_evm: Add configs for UHS modes > > arch/arm/dts/k3-am65-main.dtsi | 31 ++ > arch/arm/dts/k3-am654-base-board-u-boot.dtsi | 67 +-- > arch/arm/dts/k3-am654-base-board.dts | 26 ++ > arch/arm/dts/k3-am654-r5-base-board.dts | 20 +- > arch/arm/dts/k3-j7200-common-proc-board.dts | 49 ++- > arch/arm/dts/k3-j7200-main.dtsi | 24 ++ > .../arm/dts/k3-j7200-r5-common-proc-board.dts | 15 + > arch/arm/dts/k3-j721e-common-proc-board.dts | 32 ++ > arch/arm/dts/k3-j721e-main.dtsi | 8 +- > configs/am65x_evm_a53_defconfig | 8 + > configs/am65x_evm_r5_defconfig | 2 + > configs/j7200_evm_a72_defconfig | 8 + > configs/j7200_evm_r5_defconfig | 1 + > configs/j721e_evm_a72_defconfig | 8 + > configs/j721e_evm_r5_defconfig | 1 + > drivers/mmc/Kconfig | 1 + > drivers/mmc/am654_sdhci.c | 384 +++++++++++++----- > drivers/mmc/sdhci.c | 73 ++++ > include/sdhci.h | 10 + > 19 files changed, 595 insertions(+), 173 deletions(-) > I have posted a respin(v5) for this patch series. Thanks, Aswath