On Wed, Dec 6, 2023 at 4:09 PM Drew Fustini <dfustini@xxxxxxxxxxxx> wrote: > > Add node for the fixed reference clock used for emmc and sdio nodes. > Add emmc node for the 1st dwcmshc instance which is typically connected > to an eMMC device. Add sdio0 node for the 2nd dwcmshc instance which is > typically connected to microSD slot. Add sdio1 node for the 3rd dwcmshc > instance which is typically connected to an SDIO WiFi module. The node > names are based on Table 1-2 C910/C906 memory map in the TH1520 System > User Manual. > > Link: https://git.beagleboard.org/beaglev-ahead/beaglev-ahead/-/tree/main/docs > Signed-off-by: Drew Fustini <dfustini@xxxxxxxxxxxx> > --- > arch/riscv/boot/dts/thead/th1520.dtsi | 34 ++++++++++++++++++++++++++++++++++ > 1 file changed, 34 insertions(+) > > diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi > index ba4d2c673ac8..8b915e206f3a 100644 > --- a/arch/riscv/boot/dts/thead/th1520.dtsi > +++ b/arch/riscv/boot/dts/thead/th1520.dtsi > @@ -146,6 +146,13 @@ uart_sclk: uart-sclk-clock { > #clock-cells = <0>; > }; > > + sdhci_clk: sdhci-clock { > + compatible = "fixed-clock"; > + clock-frequency = <198000000>; > + clock-output-names = "sdhci_clk"; > + #clock-cells = <0>; > + }; > + > soc { > compatible = "simple-bus"; > interrupt-parent = <&plic>; > @@ -304,6 +311,33 @@ dmac0: dma-controller@ffefc00000 { > status = "disabled"; > }; > > + emmc: mmc@ffe7080000 { > + compatible = "thead,th1520-dwcmshc"; > + reg = <0xff 0xe7080000 0x0 0x10000>; > + interrupts = <62 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&sdhci_clk>; > + clock-names = "core"; > + status = "disabled"; > + }; > + > + sdio0: mmc@ffe7090000 { > + compatible = "thead,th1520-dwcmshc"; > + reg = <0xff 0xe7090000 0x0 0x10000>; > + interrupts = <64 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&sdhci_clk>; > + clock-names = "core"; > + status = "disabled"; > + }; > + > + sdio1: mmc@ffe70a0000 { > + compatible = "thead,th1520-dwcmshc"; > + reg = <0xff 0xe70a0000 0x0 0x10000>; > + interrupts = <71 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&sdhci_clk>; > + clock-names = "core"; > + status = "disabled"; > + }; > + > timer0: timer@ffefc32000 { > compatible = "snps,dw-apb-timer"; > reg = <0xff 0xefc32000 0x0 0x14>; > > -- > 2.34.1 > Reviewed-by: Guo Ren <guoren@xxxxxxxxxx> -- Best Regards Guo Ren
