| Message ID | 20210326142459.30679-1-u.kleine-koenig@pengutronix.de |
|---|---|
| State | New |
| Headers | show |
| Series | arm64: dts: imx8mp-evk: Add i2c bus driving the PMIC | expand |
Hi Uwe, On Fri, Mar 26, 2021 at 11:25 AM Uwe Kleine-König <u.kleine-koenig@pengutronix.de> wrote: > > There is no binding and driver for the PMIC itself, but making the bus What about the commit below that landed in kernel 5.9? commit 0935ff5f1f0a44f66a13e075ed49f97ad99d2fdc Author: Robin Gong <yibin.gong@nxp.com> Date: Sat Jul 4 00:19:35 2020 +0800 regulator: pca9450: add pca9450 pmic driver Add NXP pca9450 pmic driver. Signed-off-by: Robin Gong <yibin.gong@nxp.com> Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> Link: https://lore.kernel.org/r/1593793178-9737-2-git-send-email-yibin.gong@nxp.com Signed-off-by: Mark Brown <broonie@kernel.org>
Hello Fabio, On Fri, Mar 26, 2021 at 03:26:25PM -0300, Fabio Estevam wrote: > On Fri, Mar 26, 2021 at 11:25 AM Uwe Kleine-König > <u.kleine-koenig@pengutronix.de> wrote: > > > > There is no binding and driver for the PMIC itself, but making the bus > > What about the commit below that landed in kernel 5.9? > > commit 0935ff5f1f0a44f66a13e075ed49f97ad99d2fdc > Author: Robin Gong <yibin.gong@nxp.com> > Date: Sat Jul 4 00:19:35 2020 +0800 > > regulator: pca9450: add pca9450 pmic driver > > Add NXP pca9450 pmic driver. > > Signed-off-by: Robin Gong <yibin.gong@nxp.com> > Reviewed-by: Frieder Schrempf <frieder.schrempf@kontron.de> > Link: https://lore.kernel.org/r/1593793178-9737-2-git-send-email-yibin.gong@nxp.com > Signed-off-by: Mark Brown <broonie@kernel.org> Hmm, now that you wrote that my git grep also finds it. How did you do that? :-) I will respin the patch and also add the pmic as an i2c device. Thanks and best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | https://www.pengutronix.de/ |
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts index 7db4273cc88b..69e5c965930c 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -102,6 +102,15 @@ ethphy1: ethernet-phy@1 { }; }; +&i2c1 { + clock-frequency = <400000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1>; + status = "okay"; + + /* PMIC PCA9450C at address 0x25, irq to GPIO1_IO03. */ +}; + &i2c3 { clock-frequency = <400000>; pinctrl-names = "default"; @@ -227,6 +236,13 @@ MX8MP_IOMUXC_NAND_READY_B__GPIO3_IO16 0x19 >; }; + pinctrl_i2c1: i2c1grp { + fsl,pins = < + MX8MP_IOMUXC_I2C1_SCL__I2C1_SCL 0x400001c3 + MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c3 + >; + }; + pinctrl_i2c3: i2c3grp { fsl,pins = < MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c3
There is no binding and driver for the PMIC itself, but making the bus available allows to access its registers using i2c-tools at least. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> --- arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)