[PATCH 7/7] arch: arm64: dts: imx8qxp: add device node for CAN in ADMA SS
From: Joakim Zhang <hidden>
Date: 2020-02-17 03:26:56
Also in:
linux-clk, linux-devicetree, lkml
Subsystem:
arm/freescale imx / mxc arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
Add device node for CAN in ADMA SS. Signed-off-by: Joakim Zhang <redacted> --- arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 47 +++++++++++++++ arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 59 +++++++++++++++++++ 2 files changed, 106 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
index f88402ee650c..72a45dd7129e 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts@@ -28,6 +28,25 @@ gpio = <&lsio_gpio4 19 GPIO_ACTIVE_HIGH>; enable-active-high; }; + + reg_can_en: regulator-can-en { + compatible = "regulator-fixed"; + regulator-name = "can-en"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&pca6416 3 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + reg_can_stby: regulator-can-stby { + compatible = "regulator-fixed"; + regulator-name = "can-stby"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&pca6416 5 GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <®_can_en>; + }; }; &cm40_i2c {
@@ -80,6 +99,20 @@ }; }; +&adma_flexcan0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_flexcan0>; + xceiver-supply = <®_can_stby>; + status = "okay"; +}; + +&adma_flexcan1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_flexcan1>; + xceiver-supply = <®_can_stby>; + status = "okay"; +}; + &adma_i2c1 { #address-cells = <1>; #size-cells = <0>;
@@ -207,6 +240,20 @@ >; }; + pinctrl_flexcan0: flexcan0grp { + fsl,pins = < + IMX8QXP_FLEXCAN0_TX_ADMA_FLEXCAN0_TX 0x00000021 + IMX8QXP_FLEXCAN0_RX_ADMA_FLEXCAN0_RX 0x00000021 + >; + }; + + pinctrl_flexcan1: flexcan1grp { + fsl,pins = < + IMX8QXP_FLEXCAN1_TX_ADMA_FLEXCAN1_TX 0x00000021 + IMX8QXP_FLEXCAN1_RX_ADMA_FLEXCAN1_RX 0x00000021 + >; + }; + pinctrl_ioexp_rst: ioexp_rst_grp { fsl,pins = < IMX8QXP_SPI2_SDO_LSIO_GPIO1_IO01 0x06000021
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index cd10519eced7..f549e33d1c82 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi@@ -34,6 +34,9 @@ serial1 = &adma_lpuart1; serial2 = &adma_lpuart2; serial3 = &adma_lpuart3; + can0 = &adma_flexcan0; + can1 = &adma_flexcan1; + can2 = &adma_flexcan2; }; cpus {
@@ -384,6 +387,62 @@ power-domains = <&pd IMX_SC_R_I2C_3>; status = "disabled"; }; + + adma_flexcan0: can@5a8d0000 { + compatible = "fsl,imx8qxp-flexcan", "fsl,imx8qm-flexcan"; + reg = <0x5a8d0000 0x10000>; + interrupts = <GIC_SPI 235 IRQ_TYPE_LEVEL_HIGH>; + interrupt-parent = <&gic>; + clocks = <&adma_lpcg IMX_ADMA_LPCG_CAN0_IPG_CLK>, + <&adma_lpcg IMX_ADMA_LPCG_CAN0_IPG_PE_CLK>; + clock-names = "ipg", "per"; + assigned-clocks = <&clk IMX_ADMA_CAN0_CLK>; + assigned-clock-rates = <40000000>; + power-domains = <&pd IMX_SC_R_CAN_0>; + /* SLSlice[4] */ + fsl,clk-source = <0>; + status = "disabled"; + }; + + adma_flexcan1: can@5a8e0000 { + compatible = "fsl,imx8qxp-flexcan", "fsl,imx8qm-flexcan"; + reg = <0x5a8e0000 0x10000>; + interrupts = <GIC_SPI 236 IRQ_TYPE_LEVEL_HIGH>; + interrupt-parent = <&gic>; + /* CAN0 clock and PD is shared among all CAN instances + * as CAN1 shares CAN0's clock and to enable CAN0's + * clock it has to be powered on. + */ + clocks = <&adma_lpcg IMX_ADMA_LPCG_CAN0_IPG_CLK>, + <&adma_lpcg IMX_ADMA_LPCG_CAN0_IPG_PE_CLK>; + clock-names = "ipg", "per"; + assigned-clocks = <&clk IMX_ADMA_CAN0_CLK>; + assigned-clock-rates = <40000000>; + power-domains = <&pd IMX_SC_R_CAN_1>; + /* SLSlice[4] */ + fsl,clk-source = <0>; + status = "disabled"; + }; + + adma_flexcan2: can@5a8f0000 { + compatible = "fsl,imx8qxp-flexcan", "fsl,imx8qm-flexcan"; + reg = <0x5a8f0000 0x10000>; + interrupts = <GIC_SPI 237 IRQ_TYPE_LEVEL_HIGH>; + interrupt-parent = <&gic>; + /* CAN0 clock and PD is shared among all CAN instances + * as CAN2 shares CAN0's clock and to enable CAN0's + * clock it has to be powered on. + */ + clocks = <&adma_lpcg IMX_ADMA_LPCG_CAN0_IPG_CLK>, + <&adma_lpcg IMX_ADMA_LPCG_CAN0_IPG_PE_CLK>; + clock-names = "ipg", "per"; + assigned-clocks = <&clk IMX_ADMA_CAN0_CLK>; + assigned-clock-rates = <40000000>; + power-domains = <&pd IMX_SC_R_CAN_2>; + /* SLSlice[4] */ + fsl,clk-source = <0>; + status = "disabled"; + }; }; conn_subsys: bus@5b000000 {
--
2.17.1
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