[PATCH v6 8/8] riscv: sophgo: dts: add mmc controllers for SG2042 SoC

Chen Wang
2024-08-05T09:19:57Z

From: Chen Wang <unicorn_wang@outlook.com>

SG2042 has two MMC controller, one for emmc, another for sd-card.

Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
---
.../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 80cb017974d8..da6596e9192e 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
+++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts
@@ -26,6 +26,23 @@ &cgi_dpll1 {
clock-frequency = <25000000>;
};

+&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 34c802bd3f9b..f0ccefecc9c3 100644
--- a/arch/riscv/boot/dts/sophgo/sg2042.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2042.dtsi
@@ -399,5 +399,33 @@ 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