From 74a9d17af7db7fea0c041c536d2dc80ddc7e95ee Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Thu, 1 Feb 2024 15:14:34 +0100 Subject: [PATCH] arm64: dts: renesas: gray-hawk-single: Add I2C0 and EEPROMs Enable the I2C0 bus on the Gray Hawk Single board, and describe the I2C EEPROMs present. Based on patches for Gray Hawk in the BSP by Hai Pham. Signed-off-by: Geert Uytterhoeven Reviewed-by: Wolfram Sang Link: https://lore.kernel.org/r/960595394a274b675f1ec9ec1c324e4cc1ac1f77.1706796660.git.geert+renesas@glider.be --- .../dts/renesas/r8a779h0-gray-hawk-single.dts | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts index e68cd962f9083..5a7e1bea9f660 100644 --- a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts +++ b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts @@ -50,6 +50,42 @@ status = "okay"; }; +&i2c0 { + pinctrl-0 = <&i2c0_pins>; + pinctrl-names = "default"; + + status = "okay"; + clock-frequency = <400000>; + + eeprom@50 { + compatible = "rohm,br24g01", "atmel,24c01"; + label = "cpu-board"; + reg = <0x50>; + pagesize = <8>; + }; + + eeprom@51 { + compatible = "rohm,br24g01", "atmel,24c01"; + label = "breakout-board"; + reg = <0x51>; + pagesize = <8>; + }; + + eeprom@52 { + compatible = "rohm,br24g01", "atmel,24c01"; + label = "csi-dsi-sub-board-id"; + reg = <0x52>; + pagesize = <8>; + }; + + eeprom@53 { + compatible = "rohm,br24g01", "atmel,24c01"; + label = "ethernet-sub-board-id"; + reg = <0x53>; + pagesize = <8>; + }; +}; + &pfc { pinctrl-0 = <&scif_clk_pins>; pinctrl-names = "default"; @@ -59,6 +95,11 @@ function = "hscif0"; }; + i2c0_pins: i2c0 { + groups = "i2c0"; + function = "i2c0"; + }; + scif_clk_pins: scif-clk { groups = "scif_clk"; function = "scif_clk"; -- 2.30.2