| Message ID | 20250523-22-k1-sdhci-v1-1-6e0adddf7494@gentoo.org |
|---|---|
| State | New |
| Headers | show |
| Series | riscv: dts: spacemit: enable eMMC for K1 SoC | expand |
diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts index 816ef1bc358ec490aff184d5915d680dbd9f00cb..fe22c747c5012fe56d42ac8a7efdbbdb694f31b6 100644 --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts @@ -30,6 +30,16 @@ led1 { }; }; +&emmc { + bus-width = <8>; + mmc-hs400-1_8v; + mmc-hs400-enhanced-strobe; + non-removable; + no-sd; + no-sdio; + status = "okay"; +}; + &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_2_cfg>; diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spacemit/k1.dtsi index c0f8c5fca975d73b6ea6886da13fcf55289cb16c..14097f1f6f447bd33ff3aaa07382d27ca8e59a48 100644 --- a/arch/riscv/boot/dts/spacemit/k1.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1.dtsi @@ -511,6 +511,15 @@ pll: clock-controller@d4090000 { #clock-cells = <1>; }; + emmc: mmc@d4281000 { + compatible = "spacemit,k1-sdhci"; + reg = <0x0 0xd4281000 0x0 0x200>; + clocks = <&syscon_apmu CLK_SDH_AXI>, <&syscon_apmu CLK_SDH2>; + clock-names = "core", "io"; + interrupts = <101>; + status = "disabled"; + }; + syscon_apmu: system-controller@d4282800 { compatible = "spacemit,k1-syscon-apmu"; reg = <0x0 0xd4282800 0x0 0x400>;
Enable eMMC support for SpacemiT K1 SoC, successfully tested on Bananapi-F3 board which shipped with a 16GB eMMC chip - KLMAG1JETD-B041. Signed-off-by: Yixun Lan <dlan@gentoo.org> --- Adjust DTS to enable eMMC support for K1 SoC, tested on Bananapi-F3 board. This patch is currently based on SpacemiT SoC tree[1] for-next branch. Link: https://github.com/spacemit-com/linux/ [1] --- arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 10 ++++++++++ arch/riscv/boot/dts/spacemit/k1.dtsi | 9 +++++++++ 2 files changed, 19 insertions(+) --- base-commit: 3aa64cd126b4fd298ba5d28227ea3f82cd6f541c change-id: 20250522-22-k1-sdhci-95c759a876b5 Best regards,