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| author | Jerome Brunet <jbrunet@baylibre.com> | 2019-06-03 12:03:54 +0200 |
|---|---|---|
| committer | Kevin Hilman <khilman@baylibre.com> | 2019-06-12 00:50:03 +0200 |
| commit | 8a6b3ca2d361f2ff6e4412d2c07171ed8e2ee2b1 (patch) | |
| tree | f5482e0209c091dc9c2226aad5045fb8a4cea289 /arch/arm64/boot/dts | |
| parent | arm64: dts: meson: Add minimal support for Odroid-N2 (diff) | |
| download | linux-8a6b3ca2d361f2ff6e4412d2c07171ed8e2ee2b1.tar.xz linux-8a6b3ca2d361f2ff6e4412d2c07171ed8e2ee2b1.zip | |
arm64: dts: meson: g12a: add SDIO controller
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>
Diffstat (limited to 'arch/arm64/boot/dts')
| -rw-r--r-- | arch/arm64/boot/dts/amlogic/meson-g12a.dtsi | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi index 8ea2ec45add5..6aec4cf87350 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi @@ -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"; |