[PATCH v1 2/3] riscv: dts: t-head: Add sdhci and emmc nodes
Jaehoon Chung
jh80.chung at samsung.com
Wed Dec 4 01:18:34 CET 2024
> -----Original Message-----
> From: bigunclemax at gmail.com <bigunclemax at gmail.com>
> Sent: Monday, December 2, 2024 12:07 AM
>
> From: Maksim Kiselev <bigunclemax at gmail.com>
>
> Add SDHCI and EMMC controlles nodes on TH-1520 SoC. And enable them for
> Lichee module 4A.
>
> Signed-off-by: Maksim Kiselev <bigunclemax at gmail.com>
Reviewed-by: Jaehoon Chung <jh80.chung>
Best Regards,
Jaehoon Chung
> ---
> arch/riscv/dts/th1520-lichee-module-4a.dtsi | 18 +++++++++++
> arch/riscv/dts/th1520.dtsi | 34 +++++++++++++++++++++
> 2 files changed, 52 insertions(+)
>
> diff --git a/arch/riscv/dts/th1520-lichee-module-4a.dtsi b/arch/riscv/dts/th1520-lichee-module-4a.dtsi
> index dc00e3dfa0..86a81bdcf7 100644
> --- a/arch/riscv/dts/th1520-lichee-module-4a.dtsi
> +++ b/arch/riscv/dts/th1520-lichee-module-4a.dtsi
> @@ -32,3 +32,21 @@
> &uart_sclk {
> clock-frequency = <100000000>;
> };
> +
> +&emmc {
> + bus-width = <8>;
> + max-frequency = <198000000>;
> + mmc-ddr-1_8v;
> + mmc-hs400-1_8v;
> + mmc-hs400-enhanced-strobe;
> + non-removable;
> + no-sdio;
> + no-sd;
> + status = "okay";
> +};
> +
> +&sdio0 {
> + bus-width = <4>;
> + max-frequency = <198000000>;
> + status = "okay";
> +};
> diff --git a/arch/riscv/dts/th1520.dtsi b/arch/riscv/dts/th1520.dtsi
> index d68c446a6b..9378de89c5 100644
> --- a/arch/riscv/dts/th1520.dtsi
> +++ b/arch/riscv/dts/th1520.dtsi
> @@ -141,6 +141,13 @@
> #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>;
> @@ -206,6 +213,33 @@
> status = "disabled";
> };
>
> + emmc: mmc at 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 at 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 at ffe70a0000 {
> + compatible = "thead,th1520-dwcmshc";
> + reg = <0xff 0xe70a0000 0x0 0x10000>;
> + interrupts = <71 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&sdhci_clk>;
> + clock-names = "core";
> + status = "disabled";
> + };
> +
> uart1: serial at ffe7f00000 {
> compatible = "snps,dw-apb-uart";
> reg = <0xff 0xe7f00000 0x0 0x100>;
> --
> 2.45.2
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