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arm64: dts: meson: g12a: add SDIO controller

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The Amlogic G12A SDIO Controller has a bug preventing direct DDR access,
add the port A (SDIO) pinctrl and controller nodes and mark this specific
controller with the amlogic,dram-access-quirk property.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Jerome Brunet 2019-06-03 12:03:54 +02:00 committed by Kevin Hilman
parent c35f6dc5c3
commit 8a6b3ca2d3
1 changed files with 37 additions and 0 deletions
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37
arch/arm64/boot/dts/amlogic/meson-g12a.dtsi
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@ -1326,6 +1326,30 @@
};
};
sdio_pins: sdio {
mux {
groups = "sdio_d0",
"sdio_d1",
"sdio_d2",
"sdio_d3",
"sdio_cmd",
"sdio_clk";
function = "sdio";
bias-disable;
drive-strength-microamp = <4000>;
};
};
sdio_clk_gate_pins: sdio_clk_gate {
mux {
groups = "GPIOX_4";
function = "gpio_periphs";
bias-pull-down;
drive-strength-microamp = <4000>;
};
};
uart_a_pins: uart-a {
mux {
groups = "uart_a_tx",
@ -2316,6 +2340,19 @@
resets = <&reset RESET_SD_EMMC_C>;
};
sd_emmc_a: sd@ffe03000 {
compatible = "amlogic,meson-axg-mmc";
reg = <0x0 0xffe03000 0x0 0x800>;
interrupts = <GIC_SPI 189 IRQ_TYPE_EDGE_RISING>;
status = "disabled";
clocks = <&clkc CLKID_SD_EMMC_A>,
<&clkc CLKID_SD_EMMC_A_CLK0>,
<&clkc CLKID_FCLK_DIV2>;
clock-names = "core", "clkin0", "clkin1";
resets = <&reset RESET_SD_EMMC_A>;
amlogic,dram-access-quirk;
};
usb: usb@ffe09000 {
status = "disabled";
compatible = "amlogic,meson-g12a-usb-ctrl";