| Message ID | 20190318125613.25268-1-maxime.ripard@bootlin.com (mailing list archive) |
|---|---|
| State | Mainlined, archived |
| Commit | ebc42b478b0c9a6d69a0edebc9182d9ec302f603 |
| Headers | show |
| Series | ARM: dts: sun8i: a23/a33: Add R_I2C Controller | expand |
On Mon, Mar 18, 2019 at 8:56 PM Maxime Ripard <maxime.ripard@bootlin.com> wrote: > > The A23 and A33 both have an I2C controller in the ARISC domain, that share > the same pins with the RSB bus. > > Even if it's an unusual configuration, that device can be used to drive the > PMIC, so let's use it. > > Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Acked-by: Chen-Yu Tsai <wens@csie.org>
On Fri, Mar 22, 2019 at 04:55:29PM +0800, Chen-Yu Tsai wrote: > On Mon, Mar 18, 2019 at 8:56 PM Maxime Ripard <maxime.ripard@bootlin.com> wrote: > > > > The A23 and A33 both have an I2C controller in the ARISC domain, that share > > the same pins with the RSB bus. > > > > Even if it's an unusual configuration, that device can be used to drive the > > PMIC, so let's use it. > > > > Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> > > Acked-by: Chen-Yu Tsai <wens@csie.org> Applied, thanks! Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi b/arch/arm/boot/dts/sun8i-a23-a33.dtsi index 43fe215e83ea..2eed7a2d7d7e 100644 --- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi +++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi @@ -799,6 +799,20 @@ status = "disabled"; }; + r_i2c: i2c@1f02400 { + compatible = "allwinner,sun8i-a23-i2c", + "allwinner,sun6i-a31-i2c"; + reg = <0x01f02400 0x400>; + interrupts = <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&r_i2c_pins>; + clocks = <&apb0_gates 6>; + resets = <&apb0_rst 6>; + status = "disabled"; + #address-cells = <1>; + #size-cells = <0>; + }; + r_pio: pinctrl@1f02c00 { compatible = "allwinner,sun8i-a23-r-pinctrl"; reg = <0x01f02c00 0x400>; @@ -811,6 +825,12 @@ #interrupt-cells = <3>; #gpio-cells = <3>; + r_i2c_pins: r-i2c-pins { + pins = "PL0", "PL1"; + function = "s_i2c"; + bias-pull-up; + }; + r_rsb_pins: r-rsb-pins { pins = "PL0", "PL1"; function = "s_rsb";
The A23 and A33 both have an I2C controller in the ARISC domain, that share the same pins with the RSB bus. Even if it's an unusual configuration, that device can be used to drive the PMIC, so let's use it. Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> --- arch/arm/boot/dts/sun8i-a23-a33.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)