[PATCH 6/6] arm64: dts: ti: k3-j784s4: Configure pinctrl for timer IO

Nishanth Menon nm at ti.com
Wed May 31 14:32:15 PDT 2023


There are timer IO pads in the MCU domain, and in the MAIN domain.
These pads can be muxed for the related timers.

The details of the multiplexing can be found in the register
documentation and Technical Reference Manual[1].

These are similar to J721e/J7200, but have different mux capabilities.

[1] http://www.ti.com/lit/zip/spruj52

Signed-off-by: Nishanth Menon <nm at ti.com>
---
 arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi    | 18 +++++++++++++++
 .../boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi     | 22 +++++++++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
index f2ddd79f748d..7784278755a8 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
@@ -72,6 +72,24 @@ main_pmx0: pinctrl at 11c000 {
 		pinctrl-single,function-mask = <0xffffffff>;
 	};
 
+	/* TIMERIO pad input CTRLMMR_TIMER*_CTRL registers */
+	main_timerio_input: pinctrl at 104200 {
+		compatible = "pinctrl-single";
+		reg = <0x00 0x104200 0x00 0x50>;
+		#pinctrl-cells = <1>;
+		pinctrl-single,register-width = <32>;
+		pinctrl-single,function-mask = <0x00000007>;
+	};
+
+	/* TIMERIO pad output CTCTRLMMR_TIMERIO*_CTRL registers */
+	main_timerio_output: pinctrl at 104280 {
+		compatible = "pinctrl-single";
+		reg = <0x00 0x104280 0x00 0x20>;
+		#pinctrl-cells = <1>;
+		pinctrl-single,register-width = <32>;
+		pinctrl-single,function-mask = <0x0000001f>;
+	};
+
 	main_crypto: crypto at 4e00000 {
 		compatible = "ti,j721e-sa2ul";
 		reg = <0x00 0x4e00000 0x00 0x1200>;
diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
index 8623937e9506..4720d89ab4d7 100644
--- a/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j784s4-mcu-wakeup.dtsi
@@ -83,6 +83,28 @@ wkup_gpio_intr: interrupt-controller at 42200000 {
 		ti,interrupt-ranges = <16 928 16>;
 	};
 
+	/* MCU_TIMERIO pad input CTRLMMR_MCU_TIMER*_CTRL registers */
+	mcu_timerio_input: pinctrl at 40f04200 {
+		compatible = "pinctrl-single";
+		reg = <0x00 0x40f04200 0x00 0x28>;
+		#pinctrl-cells = <1>;
+		pinctrl-single,register-width = <32>;
+		pinctrl-single,function-mask = <0x0000000f>;
+		/* Non-MPU Firmware usage */
+		status = "reserved";
+	};
+
+	/* MCU_TIMERIO pad output CTRLMMR_MCU_TIMERIO*_CTRL registers */
+	mcu_timerio_output: pinctrl at 40f04280 {
+		compatible = "pinctrl-single";
+		reg = <0x00 0x40f04280 0x00 0x28>;
+		#pinctrl-cells = <1>;
+		pinctrl-single,register-width = <32>;
+		pinctrl-single,function-mask = <0x0000000f>;
+		/* Non-MPU Firmware usage */
+		status = "reserved";
+	};
+
 	mcu_conf: syscon at 40f00000 {
 		compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
 		reg = <0x00 0x40f00000 0x00 0x20000>;
-- 
2.40.0




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