Add support for UHS modes by adding the regulators to power cycle and voltage switch the card. Also add pinmuxes required for each node
Signed-off-by: Faiz Abbas faiz_abbas@ti.com --- arch/arm/dts/k3-j7200-common-proc-board.dts | 49 ++++++++++++++++++- arch/arm/dts/k3-j7200-main.dtsi | 1 + .../arm/dts/k3-j7200-r5-common-proc-board.dts | 15 ++++++ 3 files changed, 63 insertions(+), 2 deletions(-)
diff --git a/arch/arm/dts/k3-j7200-common-proc-board.dts b/arch/arm/dts/k3-j7200-common-proc-board.dts index cc3d933cbb..20974aff59 100644 --- a/arch/arm/dts/k3-j7200-common-proc-board.dts +++ b/arch/arm/dts/k3-j7200-common-proc-board.dts @@ -7,6 +7,7 @@
#include <dt-bindings/net/ti-dp83867.h> #include "k3-j7200-som-p0.dtsi" +#include <dt-bindings/gpio/gpio.h>
/ { chosen { @@ -20,6 +21,29 @@ remoteproc2 = &main_r5fss0_core0; remoteproc3 = &main_r5fss0_core1; }; + + vdd_mmc1: fixedregulator-sd { + compatible = "regulator-fixed"; + regulator-name = "vdd_mmc1"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + enable-active-high; + gpio = <&exp2 2 GPIO_ACTIVE_HIGH>; + }; + + vdd_sd_dv: gpio-regulator-vdd-sd-dv { + compatible = "regulator-gpio"; + regulator-name = "vdd_sd_dv"; + pinctrl-names = "default"; + pinctrl-0 = <&vdd_sd_dv_pins_default>; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + gpios = <&main_gpio0 55 GPIO_ACTIVE_HIGH>; + states = <1800000 0x0 + 3300000 0x1>; + }; };
&wkup_pmx0 { @@ -69,6 +93,25 @@ >; };
+ main_mmc1_pins_default: main_mmc1_pins_default { + pinctrl-single,pins = < + J721E_IOPAD(0x104, PIN_INPUT, 0) /* (M20) MMC1_CMD */ + J721E_IOPAD(0x100, PIN_INPUT, 0) /* (P21) MMC1_CLK */ + J721E_IOPAD(0xfc, PIN_INPUT, 0) /* (P25) MMC1_CLKLB */ + J721E_IOPAD(0xf8, PIN_INPUT, 0) /* (M19) MMC1_DAT0 */ + J721E_IOPAD(0xf4, PIN_INPUT, 0) /* (N21) MMC1_DAT1 */ + J721E_IOPAD(0xf0, PIN_INPUT, 0) /* (N20) MMC1_DAT2 */ + J721E_IOPAD(0xec, PIN_INPUT, 0) /* (N19) MMC1_DAT3 */ + J721E_IOPAD(0xe4, PIN_INPUT, 8) /* (V1) TIMER_IO0.MMC1_SDCD */ + >; + }; + + vdd_sd_dv_pins_default: vdd_sd_dv_pins_default { + pinctrl-single,pins = < + J721E_IOPAD(0xd0, PIN_INPUT, 7) /* (T5) SPI0_D1.GPIO0_55 */ + >; + }; + main_usbss0_pins_default: main_usbss0_pins_default { pinctrl-single,pins = < J721E_IOPAD(0x120, PIN_OUTPUT, 0) /* (T4) USB0_DRVVBUS */ @@ -140,10 +183,12 @@
&main_sdhci1 { /* SD card */ + pinctrl-0 = <&main_mmc1_pins_default>; + pinctrl-names = "default"; + vmmc-supply = <&vdd_mmc1>; + vqmmc-supply = <&vdd_sd_dv>; ti,driver-strength-ohm = <50>; disable-wp; - no-1-8-v; - sdhci-caps-mask = <0x8000000F 0x0>; };
&main_i2c0 { diff --git a/arch/arm/dts/k3-j7200-main.dtsi b/arch/arm/dts/k3-j7200-main.dtsi index b722204c44..8150ff6332 100644 --- a/arch/arm/dts/k3-j7200-main.dtsi +++ b/arch/arm/dts/k3-j7200-main.dtsi @@ -253,6 +253,7 @@ ti,otap-del-sel-sdr50 = <0xc>; ti,otap-del-sel-sdr104 = <0x5>; ti,otap-del-sel-ddr50 = <0xc>; + ti,clkbuf-sel = <0x7>; dma-coherent; };
diff --git a/arch/arm/dts/k3-j7200-r5-common-proc-board.dts b/arch/arm/dts/k3-j7200-r5-common-proc-board.dts index db63d93777..288f4bf565 100644 --- a/arch/arm/dts/k3-j7200-r5-common-proc-board.dts +++ b/arch/arm/dts/k3-j7200-r5-common-proc-board.dts @@ -161,6 +161,19 @@ >; };
+ main_mmc1_pins_default: main_mmc1_pins_default { + pinctrl-single,pins = < + J721E_IOPAD(0x104, PIN_INPUT, 0) /* (M20) MMC1_CMD */ + J721E_IOPAD(0x100, PIN_INPUT, 0) /* (P21) MMC1_CLK */ + J721E_IOPAD(0xfc, PIN_INPUT, 0) /* (P25) MMC1_CLKLB */ + J721E_IOPAD(0xf8, PIN_INPUT, 0) /* (M19) MMC1_DAT0 */ + J721E_IOPAD(0xf4, PIN_INPUT, 0) /* (N21) MMC1_DAT1 */ + J721E_IOPAD(0xf0, PIN_INPUT, 0) /* (N20) MMC1_DAT2 */ + J721E_IOPAD(0xec, PIN_INPUT, 0) /* (N19) MMC1_DAT3 */ + J721E_IOPAD(0xe4, PIN_INPUT, 8) /* (V1) TIMER_IO0.MMC1_SDCD */ + >; + }; + main_usbss0_pins_default: main_usbss0_pins_default { pinctrl-single,pins = < J721E_IOPAD(0x120, PIN_OUTPUT, 0) /* (T4) USB0_DRVVBUS */ @@ -197,6 +210,8 @@ /delete-property/ power-domains; /delete-property/ assigned-clocks; /delete-property/ assigned-clock-parents; + pinctrl-0 = <&main_mmc1_pins_default>; + pinctrl-names = "default"; clock-names = "clk_xin"; clocks = <&clk_200mhz>; ti,driver-strength-ohm = <50>;