Messages in this thread Patch in this message |  | | From | Biju <> | | Subject | [PATCH 2/4] arm64: dts: renesas: r9a08g046: Add i2c{0..3} device nodes | | Date | Tue, 5 May 2026 08:01:55 +0100 |
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From: Biju Das <biju.das.jz@bp.renesas.com>
Add i2c{0..3} device nodes to RZ/G3L ("R9A08G046") SoC DTSI. As the place holders for i2c0 is removed, add the pincontrol device nodes to make it functional on the board DTS.
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com> --- arch/arm64/boot/dts/renesas/r9a08g046.dtsi | 83 ++++++++++++++++++- .../boot/dts/renesas/rzg3l-smarc-som.dtsi | 11 +++ 2 files changed, 93 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/renesas/r9a08g046.dtsi b/arch/arm64/boot/dts/renesas/r9a08g046.dtsi index f0dbd700b538..8abf4ec28df1 100644 --- a/arch/arm64/boot/dts/renesas/r9a08g046.dtsi +++ b/arch/arm64/boot/dts/renesas/r9a08g046.dtsi @@ -257,10 +257,91 @@ scif5: serial@1004e000 { }; i2c0: i2c@100ae000 { + compatible = "renesas,riic-r9a08g046", "renesas,riic-r9a09g057"; reg = <0 0x100ae000 0 0x400>; + interrupts = <GIC_SPI 322 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 328 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 329 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 324 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 325 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 323 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 326 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "tei", "ri", "ti", "spi", "sti", + "naki", "ali", "tmoi"; + clocks = <&cpg CPG_MOD R9A08G046_I2C0_PCLK>; + clock-frequency = <100000>; + resets = <&cpg R9A08G046_I2C0_MRST>; + power-domains = <&cpg>; #address-cells = <1>; #size-cells = <0>; - /* placeholder */ + status = "disabled"; + }; + + i2c1: i2c@10090400 { + compatible = "renesas,riic-r9a08g046", "renesas,riic-r9a09g057"; + reg = <0 0x10090400 0 0x400>; + interrupts = <GIC_SPI 330 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 336 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 337 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 333 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 331 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 334 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 335 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "tei", "ri", "ti", "spi", "sti", + "naki", "ali", "tmoi"; + clocks = <&cpg CPG_MOD R9A08G046_I2C1_PCLK>; + clock-frequency = <100000>; + resets = <&cpg R9A08G046_I2C1_MRST>; + power-domains = <&cpg>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c2: i2c@10090800 { + compatible = "renesas,riic-r9a08g046", "renesas,riic-r9a09g057"; + reg = <0 0x10090800 0 0x400>; + interrupts = <GIC_SPI 338 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 344 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 345 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 340 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 341 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 339 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 342 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 343 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "tei", "ri", "ti", "spi", "sti", + "naki", "ali", "tmoi"; + clocks = <&cpg CPG_MOD R9A08G046_I2C2_PCLK>; + clock-frequency = <100000>; + resets = <&cpg R9A08G046_I2C2_MRST>; + power-domains = <&cpg>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; + }; + + i2c3: i2c@10090c00 { + compatible = "renesas,riic-r9a08g046", "renesas,riic-r9a09g057"; + reg = <0 0x10090c00 0 0x400>; + interrupts = <GIC_SPI 346 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 352 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 353 IRQ_TYPE_EDGE_RISING>, + <GIC_SPI 348 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 349 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 347 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 350 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 351 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "tei", "ri", "ti", "spi", "sti", + "naki", "ali", "tmoi"; + clocks = <&cpg CPG_MOD R9A08G046_I2C3_PCLK>; + clock-frequency = <100000>; + resets = <&cpg R9A08G046_I2C3_MRST>; + power-domains = <&cpg>; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; }; canfd: can@100c0000 { diff --git a/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi b/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi index da6f02287944..6d86b88ce104 100644 --- a/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi +++ b/arch/arm64/boot/dts/renesas/rzg3l-smarc-som.dtsi @@ -11,6 +11,7 @@ / { aliases { ethernet0 = ð0; ethernet1 = ð1; + i2c0 = &i2c0; }; memory@48000000 { @@ -50,6 +51,11 @@ &extal_clk { clock-frequency = <24000000>; }; +&i2c0 { + pinctrl-0 = <&i2c0_pins>; + pinctrl-names = "default"; +}; + &mdio0 { phy0: ethernet-phy@7 { compatible = "ethernet-phy-id0022.1640"; @@ -144,4 +150,9 @@ ctrl { power-source = <1800>; }; }; + + i2c0_pins: i2c0 { + pinmux = <RZG3L_PORT_PINMUX(L, 2, 4)>, /* RIIC0_SCL */ + <RZG3L_PORT_PINMUX(L, 3, 4)>; /* RIIC0_SDA */ + }; }; -- 2.43.0
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