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arm: dts: k3-j7200-common-proc-board: Enable support for UHS modes

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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>
Signed-off-by: Aswath Govindraju <a-govindraju@ti.com>
This commit is contained in:
Faiz Abbas 2021-02-04 15:11:00 +05:30 committed by Lokesh Vutla
parent f695347066
commit b4e85ca0ba
3 changed files with 63 additions and 2 deletions
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49
arch/arm/dts/k3-j7200-common-proc-board.dts
View File

@ -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_OUTPUT, 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 {

1
arch/arm/dts/k3-j7200-main.dtsi
View File

@ -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;
};

15
arch/arm/dts/k3-j7200-r5-common-proc-board.dts
View File

@ -162,6 +162,19 @@
>;
};
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 */
@ -198,6 +211,8 @@
/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>;