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| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2022-02-03 18:26:48 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2022-04-11 13:00:32 +0300 |
| commit | b74d5d65afce4332b2c781c4b252ff9af4885b1f (patch) | |
| tree | 2e45645c947d79a7bf01f2afc5ce28382f5a3a06 /arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi | |
| parent | bd04437341962d4bff32a8410d69c4ab974c86d1 (diff) | |
| download | linux-b74d5d65afce4332b2c781c4b252ff9af4885b1f.tar.xz | |
arm64: dts: renesas: spider-cpu: Add I2C4 and EEPROMs
Enable the I2C4 bus on the Falcon CPU board, and describe the I2C EEPROMs
present on the Spider CPU and BreakOut boards.
Extracted from a larger patch in the BSP by LUU HOAI.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/6d8917e49f83b6a932970ca169100eb086d11f16.1643898884.git.geert+renesas@glider.be
Diffstat (limited to 'arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi')
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi index 6e07c54148e7..41aa8591b3b1 100644 --- a/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a779f0-spider-cpu.dtsi @@ -31,10 +31,30 @@ clock-frequency = <32768>; }; +&i2c4 { + pinctrl-0 = <&i2c4_pins>; + pinctrl-names = "default"; + + status = "okay"; + clock-frequency = <400000>; + + eeprom@50 { + compatible = "rohm,br24g01", "atmel,24c01"; + label = "cpu-board"; + reg = <0x50>; + pagesize = <8>; + }; +}; + &pfc { pinctrl-0 = <&scif_clk_pins>; pinctrl-names = "default"; + i2c4_pins: i2c4 { + groups = "i2c4"; + function = "i2c4"; + }; + scif3_pins: scif3 { groups = "scif3_data", "scif3_ctrl"; function = "scif3"; |