Add UART nodes for HiSilicon HI3670 SoC and also relevant pinmux/pinconf
entries.
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
---
arch/arm64/boot/dts/hisilicon/hi3670.dtsi | 72 ++++++++
.../boot/dts/hisilicon/hikey970-pinctrl.dtsi | 157 ++++++++++++++++++
2 files changed, 229 insertions(+)
diff --git a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
index b99f5e0fe577..a5bd6d80b226 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3670.dtsi
@@ -187,6 +187,76 @@
#clock-cells = <1>;
};
+ uart0: serial@fdf02000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x0 0xfdf02000 0x0 0x1000>;
+ interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&crg_ctrl HI3670_CLK_GATE_UART0>,
+ <&crg_ctrl HI3670_PCLK>;
+ clock-names = "uartclk", "apb_pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart0_pmx_func &uart0_cfg_func>;
+ status = "disabled";
+ };
+
+ uart1: serial@fdf00000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x0 0xfdf00000 0x0 0x1000>;
+ interrupts = <GIC_SPI 75 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&crg_ctrl HI3670_CLK_GATE_UART1>,
+ <&crg_ctrl HI3670_PCLK>;
+ clock-names = "uartclk", "apb_pclk";
+ pinctrl-names = "default";
+ status = "disabled";
+ };
+
+ uart2: serial@fdf03000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x0 0xfdf03000 0x0 0x1000>;
+ interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&crg_ctrl HI3670_CLK_GATE_UART2>,
+ <&crg_ctrl HI3670_PCLK>;
+ clock-names = "uartclk", "apb_pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart2_pmx_func &uart2_cfg_func>;
+ status = "disabled";
+ };
+
+ uart3: serial@ffd74000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x0 0xffd74000 0x0 0x1000>;
+ interrupts = <GIC_SPI 114 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&crg_ctrl HI3670_CLK_GATE_UART3>,
+ <&crg_ctrl HI3670_PCLK>;
+ clock-names = "uartclk", "apb_pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart3_pmx_func &uart3_cfg_func>;
+ status = "disabled";
+ };
+
+ uart4: serial@fdf01000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x0 0xfdf01000 0x0 0x1000>;
+ interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&crg_ctrl HI3670_CLK_GATE_UART4>,
+ <&crg_ctrl HI3670_PCLK>;
+ clock-names = "uartclk", "apb_pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart4_pmx_func &uart4_cfg_func>;
+ status = "disabled";
+ };
+
+ uart5: serial@fdf05000 {
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x0 0xfdf05000 0x0 0x1000>;
+ interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&crg_ctrl HI3670_CLK_GATE_UART5>,
+ <&crg_ctrl HI3670_PCLK>;
+ clock-names = "uartclk", "apb_pclk";
+ pinctrl-names = "default";
+ status = "disabled";
+ };
+
uart6: serial@fff32000 {
compatible = "arm,pl011", "arm,primecell";
reg = <0x0 0xfff32000 0x0 0x1000>;
@@ -194,6 +264,8 @@
clocks = <&crg_ctrl HI3670_CLK_UART6>,
<&crg_ctrl HI3670_PCLK>;
clock-names = "uartclk", "apb_pclk";
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart6_pmx_func &uart6_cfg_func>;
status = "disabled";
};
diff --git a/arch/arm64/boot/dts/hisilicon/hikey970-pinctrl.dtsi b/arch/arm64/boot/dts/hisilicon/hikey970-pinctrl.dtsi
index 64fb9a3bd707..67bb52d43619 100644
--- a/arch/arm64/boot/dts/hisilicon/hikey970-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hikey970-pinctrl.dtsi
@@ -20,6 +20,47 @@
pinctrl-single,function-mask = <0x7>;
/* pin base, nr pins & gpio function */
pinctrl-single,gpio-range = <&range 0 82 0>;
+
+ uart0_pmx_func: uart0_pmx_func {
+ pinctrl-single,pins = <
+ 0x054 MUX_M2 /* UART0_RXD */
+ 0x058 MUX_M2 /* UART0_TXD */
+ >;
+ };
+
+ uart2_pmx_func: uart2_pmx_func {
+ pinctrl-single,pins = <
+ 0x700 MUX_M2 /* UART2_CTS_N */
+ 0x704 MUX_M2 /* UART2_RTS_N */
+ 0x708 MUX_M2 /* UART2_RXD */
+ 0x70c MUX_M2 /* UART2_TXD */
+ >;
+ };
+
+ uart3_pmx_func: uart3_pmx_func {
+ pinctrl-single,pins = <
+ 0x064 MUX_M1 /* UART3_CTS_N */
+ 0x068 MUX_M1 /* UART3_RTS_N */
+ 0x06c MUX_M1 /* UART3_RXD */
+ 0x070 MUX_M1 /* UART3_TXD */
+ >;
+ };
+
+ uart4_pmx_func: uart4_pmx_func {
+ pinctrl-single,pins = <
+ 0x074 MUX_M1 /* UART4_CTS_N */
+ 0x078 MUX_M1 /* UART4_RTS_N */
+ 0x07c MUX_M1 /* UART4_RXD */
+ 0x080 MUX_M1 /* UART4_TXD */
+ >;
+ };
+
+ uart6_pmx_func: uart6_pmx_func {
+ pinctrl-single,pins = <
+ 0x05c MUX_M1 /* UART6_RXD */
+ 0x060 MUX_M1 /* UART6_TXD */
+ >;
+ };
};
pmx2: pinmux@e896c800 {
@@ -27,6 +68,122 @@
reg = <0x0 0xe896c800 0x0 0x72c>;
#pinctrl-cells = <1>;
pinctrl-single,register-width = <0x20>;
+
+ uart0_cfg_func: uart0_cfg_func {
+ pinctrl-single,pins = <
+ 0x058 0x0 /* UART0_RXD */
+ 0x05c 0x0 /* UART0_TXD */
+ >;
+ pinctrl-single,bias-pulldown = <
+ PULL_DIS
+ PULL_DOWN
+ PULL_DIS
+ PULL_DOWN
+ >;
+ pinctrl-single,bias-pullup = <
+ PULL_DIS
+ PULL_UP
+ PULL_DIS
+ PULL_UP
+ >;
+ pinctrl-single,drive-strength = <
+ DRIVE7_04MA DRIVE6_MASK
+ >;
+ };
+
+ uart2_cfg_func: uart2_cfg_func {
+ pinctrl-single,pins = <
+ 0x700 0x0 /* UART2_CTS_N */
+ 0x704 0x0 /* UART2_RTS_N */
+ 0x708 0x0 /* UART2_RXD */
+ 0x70c 0x0 /* UART2_TXD */
+ >;
+ pinctrl-single,bias-pulldown = <
+ PULL_DIS
+ PULL_DOWN
+ PULL_DIS
+ PULL_DOWN
+ >;
+ pinctrl-single,bias-pullup = <
+ PULL_DIS
+ PULL_UP
+ PULL_DIS
+ PULL_UP
+ >;
+ pinctrl-single,drive-strength = <
+ DRIVE7_04MA DRIVE6_MASK
+ >;
+ };
+
+ uart3_cfg_func: uart3_cfg_func {
+ pinctrl-single,pins = <
+ 0x068 0x0 /* UART3_CTS_N */
+ 0x06c 0x0 /* UART3_RTS_N */
+ 0x070 0x0 /* UART3_RXD */
+ 0x074 0x0 /* UART3_TXD */
+ >;
+ pinctrl-single,bias-pulldown = <
+ PULL_DIS
+ PULL_DOWN
+ PULL_DIS
+ PULL_DOWN
+ >;
+ pinctrl-single,bias-pullup = <
+ PULL_DIS
+ PULL_UP
+ PULL_DIS
+ PULL_UP
+ >;
+ pinctrl-single,drive-strength = <
+ DRIVE7_04MA DRIVE6_MASK
+ >;
+ };
+
+ uart4_cfg_func: uart4_cfg_func {
+ pinctrl-single,pins = <
+ 0x078 0x0 /* UART4_CTS_N */
+ 0x07c 0x0 /* UART4_RTS_N */
+ 0x080 0x0 /* UART4_RXD */
+ 0x084 0x0 /* UART4_TXD */
+ >;
+ pinctrl-single,bias-pulldown = <
+ PULL_DIS
+ PULL_DOWN
+ PULL_DIS
+ PULL_DOWN
+ >;
+ pinctrl-single,bias-pullup = <
+ PULL_DIS
+ PULL_UP
+ PULL_DIS
+ PULL_UP
+ >;
+ pinctrl-single,drive-strength = <
+ DRIVE7_04MA DRIVE6_MASK
+ >;
+ };
+
+ uart6_cfg_func: uart6_cfg_func {
+ pinctrl-single,pins = <
+ 0x060 0x0 /* UART6_RXD */
+ 0x064 0x0 /* UART6_TXD */
+ >;
+ pinctrl-single,bias-pulldown = <
+ PULL_DIS
+ PULL_DOWN
+ PULL_DIS
+ PULL_DOWN
+ >;
+ pinctrl-single,bias-pullup = <
+ PULL_DIS
+ PULL_UP
+ PULL_DIS
+ PULL_UP
+ >;
+ pinctrl-single,drive-strength = <
+ DRIVE7_02MA DRIVE6_MASK
+ >;
+ };
};
pmx5: pinmux@fc182000 {
--
2.17.1
