On 07/12/2022 14:17, William Qiu wrote: > 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@xxxxxxxxxxxxxxxx> > --- > .../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 { No underscores in node names, generic node names (syscon or system-controller) > + compatible = "syscon"; This is not allowed alone. > + 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>; This does not match your bindings at all. "&sys_syscon" is a phandle, not a number of tuning retries, as you expect in your bindings. Best regards, Krzysztof