diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-07-14 14:55:36 +0200 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-09-20 12:07:05 +0200 |
| commit | b80795509eeede5c41aac5fe3ce3e48269daf498 (patch) | |
| tree | 5ff6d8208464a9ef22a16902f97fdef1a727e27d /arch/arm/boot/dts/r7s9210-rza2mevb.dts | |
| parent | 6880fa6c56601bb8ed59df6c30fd390cc5f6dd8f (diff) | |
ARM: dts: rza2mevb: Add I2C EEPROM support
Enable the third I2C channel, and describe the I2C EEPROM connected to
it.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/786f0354fb30b183d5bccb2f12b13e6535b9ace1.1626267234.git.geert+renesas@glider.be
Diffstat (limited to 'arch/arm/boot/dts/r7s9210-rza2mevb.dts')
| -rw-r--r-- | arch/arm/boot/dts/r7s9210-rza2mevb.dts | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/r7s9210-rza2mevb.dts b/arch/arm/boot/dts/r7s9210-rza2mevb.dts index 68498ce2aec0..ececb1bc995a 100644 --- a/arch/arm/boot/dts/r7s9210-rza2mevb.dts +++ b/arch/arm/boot/dts/r7s9210-rza2mevb.dts @@ -109,6 +109,20 @@ clock-frequency = <24000000>; /* 24MHz */ }; +&i2c3 { + status = "okay"; + clock-frequency = <400000>; + + pinctrl-names = "default"; + pinctrl-0 = <&i2c3_pins>; + + eeprom@50 { + compatible = "renesas,r1ex24128", "atmel,24c128"; + reg = <0x50>; + pagesize = <64>; + }; +}; + /* High resolution System tick timers */ &ostm0 { status = "okay"; @@ -147,6 +161,11 @@ <RZA2_PINMUX(PORTL, 1, 5)>; /* IRQ5 */ }; + i2c3_pins: i2c3 { + pinmux = <RZA2_PINMUX(PORTD, 6, 1)>, /* RIIC3SCL */ + <RZA2_PINMUX(PORTD, 7, 1)>; /* RIIC3SDA */ + }; + keyboard_pins: keyboard { pinmux = <RZA2_PINMUX(PORTJ, 1, 6)>; /* IRQ0 */ }; |