Add cm40 subsystem.
Add cm40_lpuart and lpurt1 for 8dxl evk boards.
Signed-off-by: Frank Li <[email protected]>
---
Changes in v5:
- update copyright year to 2024
- Link to v4: https://lore.kernel.org/r/[email protected]
Changes in v4:
- fixed lpcg index.
- fixed typo 'informaiton'.
- fixed fixregulator name
- Link to v3: https://lore.kernel.org/r/[email protected]
Changes in v3:
- Add Alexander review tags
- move interrupt-parent below range.
- move interrupt-parent before interrutps at intmux node
- Link to v2: https://lore.kernel.org/r/[email protected]
Changes in v2:
- commit message "Adding" to Add
- fixed regulator@101 warning
- remove 'modem reset'
- order nodes by access
- move interrupt-parent under top bus
- clean up other dtb check warning
- Link to v1: https://lore.kernel.org/r/[email protected]
---
Alice Guo (1):
arm64: dts: imx8dxl: add lpuart device in cm40 subsystem
Dong Aisheng (1):
arm64: dts: imx8: add cm40 subsystem dtsi
Frank Li (2):
arm64: dts: imx8dxl: update cm40 irq number information
dts: arm64: imx8dxl-evk: add lpuart1 and cm40 uart
arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi | 91 +++++++++++++++++++++++++
arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 37 ++++++++++
arch/arm64/boot/dts/freescale/imx8dxl.dtsi | 13 ++++
arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 1 +
4 files changed, 142 insertions(+)
---
base-commit: 9acc053fc8f256959e849cb6588a054074daebcd
change-id: 20240228-m4_lpuart-30791c032f2a
Best regards,
---
Frank Li <[email protected]>
Add lpuart1 and cm40 uart.
Signed-off-by: Frank Li <[email protected]>
---
arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 37 +++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
index 2123d431e0613..2412ab145c066 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
@@ -16,6 +16,8 @@ aliases {
mmc0 = &usdhc1;
mmc1 = &usdhc2;
serial0 = &lpuart0;
+ serial1 = &lpuart1;
+ serial6 = &cm40_lpuart;
};
chosen {
@@ -51,6 +53,16 @@ linux,cma {
};
};
+ m2_uart1_sel: regulator-m2uart1sel {
+ compatible = "regulator-fixed";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "m2_uart1_sel";
+ gpio = <&pca6416_1 6 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ regulator-always-on;
+ };
+
mux3_en: regulator-0 {
compatible = "regulator-fixed";
regulator-min-microvolt = <3300000>;
@@ -340,6 +352,12 @@ &lpuart0 {
status = "okay";
};
+&lpuart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_lpuart1>;
+ status = "okay";
+};
+
&flexcan2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_flexcan2>;
@@ -354,6 +372,16 @@ &flexcan3 {
status = "okay";
};
+&cm40_intmux {
+ status = "disabled";
+};
+
+&cm40_lpuart {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_cm40_lpuart>;
+ status = "disabled";
+};
+
&lsio_gpio4 {
status = "okay";
};
@@ -595,6 +623,15 @@ IMX8DXL_UART0_TX_ADMA_UART0_TX 0x06000020
>;
};
+ pinctrl_lpuart1: lpuart1grp {
+ fsl,pins = <
+ IMX8DXL_UART1_TX_ADMA_UART1_TX 0x06000020
+ IMX8DXL_UART1_RX_ADMA_UART1_RX 0x06000020
+ IMX8DXL_UART1_RTS_B_ADMA_UART1_RTS_B 0x06000020
+ IMX8DXL_UART1_CTS_B_ADMA_UART1_CTS_B 0x06000020
+ >;
+ };
+
pinctrl_usdhc1: usdhc1grp {
fsl,pins = <
IMX8DXL_EMMC0_CLK_CONN_EMMC0_CLK 0x06000041
--
2.34.1
From: Alice Guo <[email protected]>
Add lpuart device in cm40 subsystem.
Signed-off-by: Alice Guo <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
Reviewed-by: Alexander Stein <[email protected]>
Signed-off-by: Frank Li <[email protected]>
---
arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi
index 84d7ae01e5f40..92752c0c5eb5b 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-cm40.dtsi
@@ -20,6 +20,18 @@ cm40_subsys: bus@34000000 {
ranges = <0x34000000 0x0 0x34000000 0x4000000>;
interrupt-parent = <&cm40_intmux>;
+ cm40_lpuart: serial@37220000 {
+ compatible = "fsl,imx8qxp-lpuart";
+ reg = <0x37220000 0x1000>;
+ interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cm40_uart_lpcg IMX_LPCG_CLK_1>, <&cm40_uart_lpcg IMX_LPCG_CLK_0>;
+ clock-names = "ipg", "baud";
+ assigned-clocks = <&clk IMX_SC_R_M4_0_UART IMX_SC_PM_CLK_PER>;
+ assigned-clock-rates = <24000000>;
+ power-domains = <&pd IMX_SC_R_M4_0_UART>;
+ status = "disabled";
+ };
+
cm40_i2c: i2c@37230000 {
compatible = "fsl,imx8qxp-lpi2c", "fsl,imx7ulp-lpi2c";
reg = <0x37230000 0x1000>;
@@ -53,6 +65,18 @@ cm40_intmux: intmux@37400000 {
status = "disabled";
};
+ cm40_uart_lpcg: clock-controller@37620000 {
+ compatible = "fsl,imx8qxp-lpcg";
+ reg = <0x37620000 0x1000>;
+ #clock-cells = <1>;
+ clocks = <&clk IMX_SC_R_M4_0_UART IMX_SC_PM_CLK_PER>,
+ <&cm40_ipg_clk>;
+ clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_1>;
+ clock-output-names = "cm40_lpcg_uart_clk",
+ "cm40_lpcg_uart_ipg_clk";
+ power-domains = <&pd IMX_SC_R_M4_0_UART>;
+ };
+
cm40_i2c_lpcg: clock-controller@37630000 {
compatible = "fsl,imx8qxp-lpcg";
reg = <0x37630000 0x1000>;
--
2.34.1
Update cm40 irq number for imx8dxl chip.
Signed-off-by: Frank Li <[email protected]>
---
arch/arm64/boot/dts/freescale/imx8dxl.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
index 9d49c75a26222..b9d137d69f5a7 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8dxl.dtsi
@@ -243,3 +243,14 @@ xtal24m: clock-xtal24m {
#include "imx8dxl-ss-conn.dtsi"
#include "imx8dxl-ss-lsio.dtsi"
#include "imx8dxl-ss-ddr.dtsi"
+
+&cm40_intmux {
+ interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
+};
--
2.34.1
On Tue, Apr 02, 2024 at 10:41:27AM -0400, Frank Li wrote:
> Alice Guo (1):
> arm64: dts: imx8dxl: add lpuart device in cm40 subsystem
>
> Dong Aisheng (1):
> arm64: dts: imx8: add cm40 subsystem dtsi
>
> Frank Li (2):
> arm64: dts: imx8dxl: update cm40 irq number information
> dts: arm64: imx8dxl-evk: add lpuart1 and cm40 uart
arm64: dts: imx8dxl-evk: ...
Fixed it up and applied the series, thanks!
Shawn