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arm64: dts: sparx5: Add Sparx5 eMMC support

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This adds eMMC support to the applicable Sparx5 board configuration
files.

Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Link: https://lore.kernel.org/r/20200825081357.32354-4-lars.povlsen@microchip.com
This commit is contained in:
Lars Povlsen 2020-04-28 14:40:23 +02:00
parent 9123e3a74e
commit 45145406f3
4 changed files with 93 additions and 0 deletions
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24
arch/arm64/boot/dts/microchip/sparx5.dtsi
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@ -5,6 +5,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/microchip,sparx5.h>
/ {
compatible = "microchip,sparx5";
@ -151,6 +152,20 @@
interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
};
sdhci0: mmc@600800000 {
compatible = "microchip,dw-sparx5-sdhci";
status = "disabled";
reg = <0x6 0x00800000 0x1000>;
pinctrl-0 = <&emmc_pins>;
pinctrl-names = "default";
clocks = <&clks CLK_ID_AUX1>;
clock-names = "core";
assigned-clocks = <&clks CLK_ID_AUX1>;
assigned-clock-rates = <800000000>;
interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
bus-width = <8>;
};
gpio: pinctrl@6110101e0 {
compatible = "microchip,sparx5-pinctrl";
reg = <0x6 0x110101e0 0x90>, <0x6 0x10508010 0x100>;
@ -180,6 +195,15 @@
pins = "GPIO_28", "GPIO_29";
function = "twi2";
};
emmc_pins: emmc-pins {
pins = "GPIO_34", "GPIO_35", "GPIO_36",
"GPIO_37", "GPIO_38", "GPIO_39",
"GPIO_40", "GPIO_41", "GPIO_42",
"GPIO_43", "GPIO_44", "GPIO_45",
"GPIO_46", "GPIO_47";
function = "emmc";
};
};
i2c0: i2c@600101000 {

23
arch/arm64/boot/dts/microchip/sparx5_pcb125.dts
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@ -16,6 +16,29 @@
};
};
&gpio {
emmc_pins: emmc-pins {
/* NB: No "GPIO_35", "GPIO_36", "GPIO_37"
* (N/A: CARD_nDETECT, CARD_WP, CARD_LED)
*/
pins = "GPIO_34", "GPIO_38", "GPIO_39",
"GPIO_40", "GPIO_41", "GPIO_42",
"GPIO_43", "GPIO_44", "GPIO_45",
"GPIO_46", "GPIO_47";
drive-strength = <3>;
function = "emmc";
};
};
&sdhci0 {
status = "okay";
bus-width = <8>;
non-removable;
pinctrl-0 = <&emmc_pins>;
max-frequency = <8000000>;
microchip,clock-delay = <10>;
};
&i2c1 {
status = "okay";
};

23
arch/arm64/boot/dts/microchip/sparx5_pcb134_emmc.dts
View File

@ -15,3 +15,26 @@
reg = <0x00000000 0x00000000 0x10000000>;
};
};
&gpio {
emmc_pins: emmc-pins {
/* NB: No "GPIO_35", "GPIO_36", "GPIO_37"
* (N/A: CARD_nDETECT, CARD_WP, CARD_LED)
*/
pins = "GPIO_34", "GPIO_38", "GPIO_39",
"GPIO_40", "GPIO_41", "GPIO_42",
"GPIO_43", "GPIO_44", "GPIO_45",
"GPIO_46", "GPIO_47";
drive-strength = <3>;
function = "emmc";
};
};
&sdhci0 {
status = "okay";
pinctrl-0 = <&emmc_pins>;
non-removable;
max-frequency = <52000000>;
bus-width = <8>;
microchip,clock-delay = <10>;
};

23
arch/arm64/boot/dts/microchip/sparx5_pcb135_emmc.dts
View File

@ -15,3 +15,26 @@
reg = <0x00000000 0x00000000 0x10000000>;
};
};
&gpio {
emmc_pins: emmc-pins {
/* NB: No "GPIO_35", "GPIO_36", "GPIO_37"
* (N/A: CARD_nDETECT, CARD_WP, CARD_LED)
*/
pins = "GPIO_34", "GPIO_38", "GPIO_39",
"GPIO_40", "GPIO_41", "GPIO_42",
"GPIO_43", "GPIO_44", "GPIO_45",
"GPIO_46", "GPIO_47";
drive-strength = <3>;
function = "emmc";
};
};
&sdhci0 {
status = "okay";
pinctrl-0 = <&emmc_pins>;
non-removable;
max-frequency = <52000000>;
bus-width = <8>;
microchip,clock-delay = <10>;
};