| Message ID | 20240627104839.645778-1-ivitro@gmail.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | [v2] arm64: dts: imx8mm-verdin: add TPM device | expand |
On Thu, Jun 27, 2024 at 11:48:39AM +0100, Vitor Soares wrote: > From: Vitor Soares <vitor.soares@toradex.com> > > Add TPM device found on Verdin iMX8M Mini PID4 0090 variant. > > While adding the node, rename `pinctrl_pmic_tpm_ena` to > `pinctrl_tpm_spi_cs`. > > Signed-off-by: Vitor Soares <vitor.soares@toradex.com> > --- > v1->v2 > - rename `pinctrl_pmic_tpm_ena` to `pinctrl_tpm_spi_cs`. > > .../boot/dts/freescale/imx8mm-verdin.dtsi | 18 ++++++++++++------ > 1 file changed, 12 insertions(+), 6 deletions(-) > > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi > index 98544741ce17..6e066bd5d982 100644 > --- a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi > +++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi > @@ -228,15 +228,16 @@ &ecspi2 { > pinctrl-0 = <&pinctrl_ecspi2>; > }; > > -/* Verdin CAN_1 (On-module) */ > +/* On-module SPI */ > &ecspi3 { > #address-cells = <1>; > #size-cells = <0>; > - cs-gpios = <&gpio5 25 GPIO_ACTIVE_LOW>; > + cs-gpios = <&gpio5 25 GPIO_ACTIVE_LOW>, <&gpio4 19 GPIO_ACTIVE_LOW>; > pinctrl-names = "default"; > - pinctrl-0 = <&pinctrl_ecspi3>; > + pinctrl-0 = <&pinctrl_ecspi3>, <&pinctrl_tpm_spi_cs>; > status = "okay"; > > + /* Verdin CAN_1 */ > can1: can@0 { > compatible = "microchip,mcp251xfd"; > clocks = <&clk40m>; > @@ -246,6 +247,12 @@ can1: can@0 { > reg = <0>; > spi-max-frequency = <8500000>; > }; > + > + verdin_som_tpm: tpm@1 { > + compatible = "atmel,attpm20p", "tcg,tpm_tis-spi"; > + reg = <0x1>; > + spi-max-frequency = <36000000>; > + }; > }; > > /* Verdin ETH_1 (On-module PHY) */ > @@ -808,8 +815,7 @@ &iomuxc { > pinctrl-0 = <&pinctrl_gpio1>, <&pinctrl_gpio2>, > <&pinctrl_gpio3>, <&pinctrl_gpio4>, > <&pinctrl_gpio7>, <&pinctrl_gpio8>, > - <&pinctrl_gpio_hog1>, <&pinctrl_gpio_hog2>, <&pinctrl_gpio_hog3>, > - <&pinctrl_pmic_tpm_ena>; > + <&pinctrl_gpio_hog1>, <&pinctrl_gpio_hog2>, <&pinctrl_gpio_hog3>; > > pinctrl_can1_int: can1intgrp { > fsl,pins = > @@ -1111,7 +1117,7 @@ pinctrl_sai5: sai5grp { > }; > > /* control signal for optional ATTPM20P or SE050 */ > - pinctrl_pmic_tpm_ena: pmictpmenagrp { > + pinctrl_tpm_spi_cs: pmictpmenagrp { The node name should probably be updated to match pinctrl label? Shawn > fsl,pins = > <MX8MM_IOMUXC_SAI1_TXD7_GPIO4_IO19 0x106>; /* PMIC_TPM_ENA */ > }; > -- > 2.34.1 >
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi index 98544741ce17..6e066bd5d982 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi @@ -228,15 +228,16 @@ &ecspi2 { pinctrl-0 = <&pinctrl_ecspi2>; }; -/* Verdin CAN_1 (On-module) */ +/* On-module SPI */ &ecspi3 { #address-cells = <1>; #size-cells = <0>; - cs-gpios = <&gpio5 25 GPIO_ACTIVE_LOW>; + cs-gpios = <&gpio5 25 GPIO_ACTIVE_LOW>, <&gpio4 19 GPIO_ACTIVE_LOW>; pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_ecspi3>; + pinctrl-0 = <&pinctrl_ecspi3>, <&pinctrl_tpm_spi_cs>; status = "okay"; + /* Verdin CAN_1 */ can1: can@0 { compatible = "microchip,mcp251xfd"; clocks = <&clk40m>; @@ -246,6 +247,12 @@ can1: can@0 { reg = <0>; spi-max-frequency = <8500000>; }; + + verdin_som_tpm: tpm@1 { + compatible = "atmel,attpm20p", "tcg,tpm_tis-spi"; + reg = <0x1>; + spi-max-frequency = <36000000>; + }; }; /* Verdin ETH_1 (On-module PHY) */ @@ -808,8 +815,7 @@ &iomuxc { pinctrl-0 = <&pinctrl_gpio1>, <&pinctrl_gpio2>, <&pinctrl_gpio3>, <&pinctrl_gpio4>, <&pinctrl_gpio7>, <&pinctrl_gpio8>, - <&pinctrl_gpio_hog1>, <&pinctrl_gpio_hog2>, <&pinctrl_gpio_hog3>, - <&pinctrl_pmic_tpm_ena>; + <&pinctrl_gpio_hog1>, <&pinctrl_gpio_hog2>, <&pinctrl_gpio_hog3>; pinctrl_can1_int: can1intgrp { fsl,pins = @@ -1111,7 +1117,7 @@ pinctrl_sai5: sai5grp { }; /* control signal for optional ATTPM20P or SE050 */ - pinctrl_pmic_tpm_ena: pmictpmenagrp { + pinctrl_tpm_spi_cs: pmictpmenagrp { fsl,pins = <MX8MM_IOMUXC_SAI1_TXD7_GPIO4_IO19 0x106>; /* PMIC_TPM_ENA */ };