From: Chen Wang <unicorn_wang@xxxxxxxxxxx> SG2042 has two MMC controller, one for emmc, another for sd-card. Signed-off-by: Chen Wang <unicorn_wang@xxxxxxxxxxx> --- .../boot/dts/sophgo/sg2042-milkv-pioneer.dts | 17 +++++++++++ arch/riscv/boot/dts/sophgo/sg2042.dtsi | 28 +++++++++++++++++++ 2 files changed, 45 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts index 49b4b9c2c101..164db23586e0 100644 --- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts +++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts @@ -14,6 +14,23 @@ chosen { }; }; +&emmc { + bus-width = <4>; + no-sdio; + no-sd; + non-removable; + wp-inverted; + status = "okay"; +}; + +&sd { + bus-width = <4>; + no-sdio; + no-mmc; + wp-inverted; + status = "okay"; +}; + &uart0 { status = "okay"; }; diff --git a/arch/riscv/boot/dts/sophgo/sg2042.dtsi b/arch/riscv/boot/dts/sophgo/sg2042.dtsi index 81fda312f988..e3194f147d13 100644 --- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi +++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi @@ -346,5 +346,33 @@ uart0: serial@7040000000 { resets = <&rstgen RST_UART0>; status = "disabled"; }; + + emmc: mmc@704002a000 { + compatible = "sophgo,sg2042-dwcmshc"; + reg = <0x70 0x4002a000 0x0 0x1000>; + interrupt-parent = <&intc>; + interrupts = <134 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clkgen GATE_CLK_EMMC_100M>, + <&clkgen GATE_CLK_AXI_EMMC>, + <&clkgen GATE_CLK_100K_EMMC>; + clock-names = "core", + "bus", + "timer"; + status = "disabled"; + }; + + sd: mmc@704002b000 { + compatible = "sophgo,sg2042-dwcmshc"; + reg = <0x70 0x4002b000 0x0 0x1000>; + interrupt-parent = <&intc>; + interrupts = <136 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clkgen GATE_CLK_SD_100M>, + <&clkgen GATE_CLK_AXI_SD>, + <&clkgen GATE_CLK_100K_SD>; + clock-names = "core", + "bus", + "timer"; + status = "disabled"; + }; }; }; -- 2.34.1