Add clk node and sdhci node for cv18xx SoCs according to patches from Linux kernel.
clk: https://lore.kernel.org/all/ia1pr20mb4953f9ad6792013b54636f05bb...@ia1pr20mb4953.namprd20.prod.outlook.com/ sdhci: https://lore.kernel.org/all/20240217144826.3944-1-jszh...@kernel.org/ Signed-off-by: Kongyang Liu <seashell11234...@gmail.com> --- Changes in v2: - Sync device tree with ptaches from Linux kernel arch/riscv/dts/cv1800b-milkv-duo.dts | 8 ++++++++ arch/riscv/dts/cv1800b.dtsi | 4 ++++ arch/riscv/dts/cv18xx.dtsi | 22 ++++++++++++++++++++++ 3 files changed, 34 insertions(+) diff --git a/arch/riscv/dts/cv1800b-milkv-duo.dts b/arch/riscv/dts/cv1800b-milkv-duo.dts index 3af9e34b3b..94e64ddce8 100644 --- a/arch/riscv/dts/cv1800b-milkv-duo.dts +++ b/arch/riscv/dts/cv1800b-milkv-duo.dts @@ -33,6 +33,14 @@ clock-frequency = <25000000>; }; +&sdhci0 { + status = "okay"; + bus-width = <4>; + no-1-8-v; + no-mmc; + no-sdio; +}; + &uart0 { status = "okay"; }; diff --git a/arch/riscv/dts/cv1800b.dtsi b/arch/riscv/dts/cv1800b.dtsi index 165e9e320a..baf641829e 100644 --- a/arch/riscv/dts/cv1800b.dtsi +++ b/arch/riscv/dts/cv1800b.dtsi @@ -16,3 +16,7 @@ &clint { compatible = "sophgo,cv1800b-clint", "thead,c900-clint"; }; + +&clk { + compatible = "sophgo,cv1800-clk"; +}; diff --git a/arch/riscv/dts/cv18xx.dtsi b/arch/riscv/dts/cv18xx.dtsi index 2d6f4a4b1e..ec99c4deeb 100644 --- a/arch/riscv/dts/cv18xx.dtsi +++ b/arch/riscv/dts/cv18xx.dtsi @@ -45,6 +45,13 @@ #clock-cells = <0>; }; + sdhci_clk: sdhci-clock { + compatible = "fixed-clock"; + clock-frequency = <375000000>; + clock-output-names = "sdhci_clk"; + #clock-cells = <0>; + }; + soc { compatible = "simple-bus"; interrupt-parent = <&plic>; @@ -53,6 +60,12 @@ dma-noncoherent; ranges; + clk: clock-controller@3002000 { + reg = <0x03002000 0x1000>; + clocks = <&osc>; + #clock-cells = <1>; + }; + gpio0: gpio@3020000 { compatible = "snps,dw-apb-gpio"; reg = <0x3020000 0x1000>; @@ -175,6 +188,15 @@ status = "disabled"; }; + sdhci0: mmc@4310000 { + compatible = "sophgo,cv1800b-dwcmshc"; + reg = <0x4310000 0x1000>; + interrupts = <36 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&sdhci_clk>; + clock-names = "core"; + status = "disabled"; + }; + plic: interrupt-controller@70000000 { reg = <0x70000000 0x4000000>; interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>; -- 2.41.0
