[PATCH v1 3/3] riscv: dts: starfive: Add mmc node

William Qiu
2022-12-07T13:18:29Z

This adds the mmc node for the StarFive JH7110 SoC.
Set sdioo node to emmc and set sdio1 node to sd.

Signed-off-by: William Qiu <william.qiu@starfivetech.com>
---
.../jh7110-starfive-visionfive-v2.dts | 25 ++++++++++++
arch/riscv/boot/dts/starfive/jh7110.dtsi | 38 +++++++++++++++++++
2 files changed, 63 insertions(+)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts
index c8946cf3a268..6ef8e303c2e6 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts
+++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-v2.dts
@@ -47,6 +47,31 @@ &clk_rtc {
clock-frequency = <32768>;
};

+&sdio0 {
+ max-frequency = <100000000>;
+ card-detect-delay = <300>;
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ mmc-ddr-1_8v;
+ mmc-hs200-1_8v;
+ non-removable;
+ cap-mmc-hw-reset;
+ post-power-on-delay-ms = <200>;
+ status = "okay";
+};
+
+&sdio1 {
+ max-frequency = <100000000>;
+ card-detect-delay = <300>;
+ bus-width = <4>;
+ no-sdio;
+ no-mmc;
+ broken-cd;
+ cap-sd-highspeed;
+ post-power-on-delay-ms = <200>;
+ status = "okay";
+};
+
&gmac0_rmii_refin {
clock-frequency = <50000000>;
};
diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
index c22e8f1d2640..e90b085d7e41 100644
--- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
@@ -331,6 +331,11 @@ aoncrg: clock-controller@17000000 {
#reset-cells = <1>;
};

+ sys_syscon: sys_syscon@13030000 {
+ compatible = "syscon";
+ reg = <0x0 0x13030000 0x0 0x1000>;
+ };
+
gpio: gpio@13040000 {
compatible = "starfive,jh7110-sys-pinctrl";
reg = <0x0 0x13040000 0x0 0x10000>;
@@ -433,5 +438,38 @@ uart5: serial@12020000 {
reg-shift = <2>;
status = "disabled";
};
+
+ /* unremovable emmc as mmcblk0 */
+ sdio0: mmc@16010000 {
+ compatible = "starfive,jh7110-sdio";
+ reg = <0x0 0x16010000 0x0 0x10000>;
+ clocks = <&syscrg JH7110_SYSCLK_SDIO0_AHB>,
+ <&syscrg JH7110_SYSCLK_SDIO0_SDCARD>;
+ clock-names = "biu","ciu";
+ resets = <&syscrg JH7110_SYSRST_SDIO0_AHB>;
+ reset-names = "reset";
+ interrupts = <74>;
+ fifo-depth = <32>;
+ fifo-watermark-aligned;
+ data-addr = <0>;
+ starfive,sys-syscon = <&sys_syscon 0x14 0x1a 0x7c000000>;
+ status = "disabled";
+ };
+
+ sdio1: mmc@16020000 {
+ compatible = "starfive,jh7110-sdio";
+ reg = <0x0 0x16020000 0x0 0x10000>;
+ clocks = <&syscrg JH7110_SYSCLK_SDIO1_AHB>,
+ <&syscrg JH7110_SYSCLK_SDIO1_SDCARD>;
+ clock-names = "biu","ciu";
+ resets = <&syscrg JH7110_SYSRST_SDIO1_AHB>;
+ reset-names = "reset";
+ interrupts = <75>;
+ fifo-depth = <32>;
+ fifo-watermark-aligned;
+ data-addr = <0>;
+ starfive,sys-syscon = <&sys_syscon 0x9c 0x1 0x3e>;
+ status = "disabled";
+ };
};
};
--
2.34.1