Thomas Bonnefille wrote: > Add nodes for the five I2C on the T-Head TH1520 RISCV SoC. > All the I2C nodes are fed with the same clock named i2c_ic_clk. > As there is currently no clock support, the i2c_ic_clk is exposed > through a fixed-clock to mimic the existing nodes. > Thanks! Reviewed-by: Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx> Tested-by: Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx> > Signed-off-by: Thomas Bonnefille <thomas.bonnefille@xxxxxxxxxxx> > --- > arch/riscv/boot/dts/thead/th1520.dtsi | 66 +++++++++++++++++++++++++++ > 1 file changed, 66 insertions(+) > > diff --git a/arch/riscv/boot/dts/thead/th1520.dtsi b/arch/riscv/boot/dts/thead/th1520.dtsi > index d2fa25839012..86ae507576dc 100644 > --- a/arch/riscv/boot/dts/thead/th1520.dtsi > +++ b/arch/riscv/boot/dts/thead/th1520.dtsi > @@ -153,6 +153,12 @@ sdhci_clk: sdhci-clock { > #clock-cells = <0>; > }; > > + i2c_ic_clk: i2c-clock { > + compatible = "fixed-clock"; > + clock-frequency = <50000000>; > + #clock-cells = <0>; > + }; > + > soc { > compatible = "simple-bus"; > interrupt-parent = <&plic>; > @@ -258,6 +264,36 @@ portc: gpio-controller@0 { > }; > }; > > + i2c0: i2c@ffe7f20000 { > + compatible = "thead,th1520-i2c", "snps,designware-i2c"; > + reg = <0xff 0xe7f20000 0x0 0x4000>; > + interrupts = <44 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&i2c_ic_clk>; > + #address-cells = <1>; > + #size-cells = <0>; > + status = "disabled"; > + }; > + > + i2c1: i2c@ffe7f24000 { > + compatible = "thead,th1520-i2c", "snps,designware-i2c"; > + reg = <0xff 0xe7f24000 0x0 0x4000>; > + interrupts = <45 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&i2c_ic_clk>; > + #address-cells = <1>; > + #size-cells = <0>; > + status = "disabled"; > + }; > + > + i2c4: i2c@ffe7f28000 { > + compatible = "thead,th1520-i2c", "snps,designware-i2c"; > + reg = <0xff 0xe7f28000 0x0 0x4000>; > + interrupts = <48 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&i2c_ic_clk>; > + #address-cells = <1>; > + #size-cells = <0>; > + status = "disabled"; > + }; > + > gpio3: gpio@ffe7f38000 { > compatible = "snps,dw-apb-gpio"; > reg = <0xff 0xe7f38000 0x0 0x1000>; > @@ -312,6 +348,16 @@ portb: gpio-controller@0 { > }; > }; > > + i2c2: i2c@ffec00c000 { > + compatible = "thead,th1520-i2c", "snps,designware-i2c"; > + reg = <0xff 0xec00c000 0x0 0x4000>; > + interrupts = <46 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&i2c_ic_clk>; > + #address-cells = <1>; > + #size-cells = <0>; > + status = "disabled"; > + }; > + > uart2: serial@ffec010000 { > compatible = "snps,dw-apb-uart"; > reg = <0xff 0xec010000 0x0 0x4000>; > @@ -322,6 +368,16 @@ uart2: serial@ffec010000 { > status = "disabled"; > }; > > + i2c3: i2c@ffec014000 { > + compatible = "thead,th1520-i2c", "snps,designware-i2c"; > + reg = <0xff 0xec014000 0x0 0x4000>; > + interrupts = <47 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&i2c_ic_clk>; > + #address-cells = <1>; > + #size-cells = <0>; > + status = "disabled"; > + }; > + > dmac0: dma-controller@ffefc00000 { > compatible = "snps,axi-dma-1.01a"; > reg = <0xff 0xefc00000 0x0 0x1000>; > @@ -394,6 +450,16 @@ uart5: serial@fff7f0c000 { > status = "disabled"; > }; > > + i2c5: i2c@fff7f2c000 { > + compatible = "thead,th1520-i2c", "snps,designware-i2c"; > + reg = <0xff 0xf7f2c000 0x0 0x4000>; > + interrupts = <49 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&i2c_ic_clk>; > + #address-cells = <1>; > + #size-cells = <0>; > + status = "disabled"; > + }; > + > timer4: timer@ffffc33000 { > compatible = "snps,dw-apb-timer"; > reg = <0xff 0xffc33000 0x0 0x14>; > -- > 2.44.0 > > > _______________________________________________ > linux-riscv mailing list > linux-riscv@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-riscv