Hi Kishon, On 25/03/21 9:44 pm, Kishon Vijay Abraham I wrote: > Hi Aswath, > > On 24/03/21 12:07 pm, Aswath Govindraju wrote: >> The following speed modes are now supported in J7200 SoC, >> - HS200 and HS400 modes at 1.8 V card voltage, in MMCSD0 subsystem [1]. >> - UHS-I speed modes in MMCSD1 subsystem [1]. >> >> Add support for UHS-I modes by adding voltage regulator device tree nodes >> and corresponding pinmux details, to power cycle and voltage switch cards. >> Set respective tags in sdhci0 and remove no-1-8-v tag from sdhci1 >> device tree nodes. >> >> Also update the delay values for various speed modes supported, based on >> the revised january 2021 J7200 datasheet[2]. >> >> [1] - section 12.3.6.1.1 MMCSD Features, in >> https://www.ti.com/lit/ug/spruiu1a/spruiu1a.pdf, >> (SPRUIU1A – JULY 2020 – REVISED JANUARY 2021) >> >> [2] - https://www.ti.com/lit/ds/symlink/dra821u.pdf, >> (SPRSP57B – APRIL 2020 – REVISED JANUARY 2021) > minor comments below.. once you fix them, please add > > Reviewed-by: Kishon Vijay Abraham I <kishon@xxxxxx> >> Thank you for your review :). >> Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx> >> --- >> .../dts/ti/k3-j7200-common-proc-board.dts | 78 +++++++++++++++++++ >> arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 14 +++- >> 2 files changed, 90 insertions(+), 2 deletions(-) >> >> diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts >> index b493f939b09a..a069787e1783 100644 >> --- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts >> +++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts >> @@ -16,6 +16,65 @@ >> stdout-path = "serial2:115200n8"; >> bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; >> }; >> + >> + evm_12v0: fixedregulator-evm12v0 { >> + /* main supply */ >> + compatible = "regulator-fixed"; >> + regulator-name = "evm_12v0"; >> + regulator-min-microvolt = <12000000>; >> + regulator-max-microvolt = <12000000>; >> + regulator-always-on; >> + regulator-boot-on; >> + }; >> + >> + vsys_3v3: fixedregulator-vsys3v3 { >> + /* Output of LMS140 */ > > %s/LMS140/LM5140 Will make this change in respin. >> + compatible = "regulator-fixed"; >> + regulator-name = "vsys_3v3"; >> + regulator-min-microvolt = <3300000>; >> + regulator-max-microvolt = <3300000>; >> + vin-supply = <&evm_12v0>; >> + regulator-always-on; >> + regulator-boot-on; >> + }; >> + >> + vsys_5v0: fixedregulator-vsys5v0 { >> + /* Output of LM5140 */ >> + compatible = "regulator-fixed"; >> + regulator-name = "vsys_5v0"; >> + regulator-min-microvolt = <5000000>; >> + regulator-max-microvolt = <5000000>; >> + vin-supply = <&evm_12v0>; >> + regulator-always-on; >> + regulator-boot-on; >> + }; >> + >> + vdd_mmc1: fixedregulator-sd { >> + /* Output of TPS22918 */ >> + compatible = "regulator-fixed"; >> + regulator-name = "vdd_mmc1"; >> + regulator-min-microvolt = <3300000>; >> + regulator-max-microvolt = <3300000>; >> + regulator-boot-on; >> + enable-active-high; >> + vin-supply = <&vsys_3v3>; >> + gpio = <&exp2 2 GPIO_ACTIVE_HIGH>; >> + }; >> + >> + vdd_sd_dv: gpio-regulator-vdd-sd-dv { >> + /* Output of TLV71033 */ > > Would have preferred to keep this similar to j721e. > gpio-regulator-TLV71033 is used in j721e Will make this change in respin >> + compatible = "regulator-gpio"; >> + regulator-name = "vdd_sd_dv"; > > same comment here.. Will make this change in respin >> + pinctrl-names = "default"; >> + pinctrl-0 = <&vdd_sd_dv_pins_default>; >> + regulator-min-microvolt = <1800000>; >> + regulator-max-microvolt = <3300000>; >> + regulator-boot-on; >> + vin-supply = <&vsys_5v0>; >> + gpios = <&main_gpio0 55 GPIO_ACTIVE_HIGH>; >> + states = <1800000 0x0>, >> + <3300000 0x1>; >> + }; >> }; >> >> &wkup_pmx0 { >> @@ -45,6 +104,13 @@ >> }; >> >> &main_pmx0 { >> + main_i2c0_pins_default: main-i2c0-pins-default { >> + pinctrl-single,pins = < >> + J721E_IOPAD(0xd4, PIN_INPUT_PULLUP, 0) /* (V3) I2C0_SCL */ >> + J721E_IOPAD(0xd8, PIN_INPUT_PULLUP, 0) /* (W2) I2C0_SDA */ >> + >; >> + }; >> + >> main_i2c1_pins_default: main-i2c1-pins-default { >> pinctrl-single,pins = < >> J721E_IOPAD(0xdc, PIN_INPUT_PULLUP, 3) /* (U3) ECAP0_IN_APWM_OUT.I2C1_SCL */ >> @@ -70,6 +136,12 @@ >> J721E_IOPAD(0x120, PIN_OUTPUT, 0) /* (T4) USB0_DRVVBUS */ >> >; >> }; >> + >> + vdd_sd_dv_pins_default: vdd-sd-dv-pins-default { >> + pinctrl-single,pins = < >> + J721E_IOPAD(0xd0, PIN_INPUT, 7) /* (T5) SPI0_D1.GPIO0_55 */ > > This should ideally be PIN_OUTPUT. Can you check the latest sysconfig? > The sysconfig tool by default is giving the mode as PIN_INPUT(bidirectional) but yes ideally this should be PIN_OUTPUT. Will make this change in respin. Thanks, Aswath > Thanks > Kishon >
