From 9972b45776aba937d0db67f8080ec627a924f56e Mon Sep 17 00:00:00 2001 From: Nishanth Menon Date: Fri, 14 Apr 2023 02:33:19 -0500 Subject: arm64: dts: ti: k3-am64: Add general purpose timers There are 11 general purpose timers on am64 that can be used for things like PWM using pwm-omap-dmtimer driver. There are also additional four timers in the MCU domain that do not have interrupts routable for Linux. We configure the timers with the 25 MHz input clock by default as the 32.768 kHz clock may not be wired on the device. We leave the MCU domain timers clock mux unconfigured, and mark the MCU domain timers reserved. The MCU domain timers are likely reserved by the software for the ESM module. Compared to am65, the timers on am64 do not have a dedicated IO mux for the timers. On am62, the timers have different interrupts, clocks and power domains compared to am65, and the MCU timers are at a different IO address. Compared to AM62, the AM64 times have different clocks and count in main domain are different as well. Signed-off-by: Nishanth Menon Reviewed-by: Roger Quadros Link: https://lore.kernel.org/r/20230414073328.381336-2-nm@ti.com Signed-off-by: Vignesh Raghavendra --- arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 144 +++++++++++++++++++++++++++++++ 1 file changed, 144 insertions(+) (limited to 'arch/arm64/boot/dts/ti/k3-am64-main.dtsi') diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi index 5e8036f32d79..f5e25d6c3c28 100644 --- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi @@ -228,6 +228,150 @@ }; }; + main_timer0: timer@2400000 { + compatible = "ti,am654-timer"; + reg = <0x00 0x2400000 0x00 0x400>; + interrupts = ; + clocks = <&k3_clks 36 1>; + clock-names = "fck"; + assigned-clocks = <&k3_clks 36 1>; + assigned-clock-parents = <&k3_clks 36 2>; + power-domains = <&k3_pds 36 TI_SCI_PD_EXCLUSIVE>; + ti,timer-pwm; + }; + + main_timer1: timer@2410000 { + compatible = "ti,am654-timer"; + reg = <0x00 0x2410000 0x00 0x400>; + interrupts = ; + clocks = <&k3_clks 37 1>; + clock-names = "fck"; + assigned-clocks = <&k3_clks 37 1>; + assigned-clock-parents = <&k3_clks 37 2>; + power-domains = <&k3_pds 37 TI_SCI_PD_EXCLUSIVE>; + ti,timer-pwm; + }; + + main_timer2: timer@2420000 { + compatible = "ti,am654-timer"; + reg = <0x00 0x2420000 0x00 0x400>; + interrupts = ; + clocks = <&k3_clks 38 1>; + clock-names = "fck"; + assigned-clocks = <&k3_clks 38 1>; + assigned-clock-parents = <&k3_clks 38 2>; + power-domains = <&k3_pds 38 TI_SCI_PD_EXCLUSIVE>; + ti,timer-pwm; + }; + + main_timer3: timer@2430000 { + compatible = "ti,am654-timer"; + reg = <0x00 0x2430000 0x00 0x400>; + interrupts = ; + clocks = <&k3_clks 39 1>; + clock-names = "fck"; + assigned-clocks = <&k3_clks 39 1>; + assigned-clock-parents = <&k3_clks 39 2>; + power-domains = <&k3_pds 39 TI_SCI_PD_EXCLUSIVE>; + ti,timer-pwm; + }; + + main_timer4: timer@2440000 { + compatible = "ti,am654-timer"; + reg = <0x00 0x2440000 0x00 0x400>; + interrupts = ; + clocks = <&k3_clks 40 1>; + clock-names = "fck"; + assigned-clocks = <&k3_clks 40 1>; + assigned-clock-parents = <&k3_clks 40 2>; + power-domains = <&k3_pds 40 TI_SCI_PD_EXCLUSIVE>; + ti,timer-pwm; + }; + + main_timer5: timer@2450000 { + compatible = "ti,am654-timer"; + reg = <0x00 0x2450000 0x00 0x400>; + interrupts = ; + clocks = <&k3_clks 41 1>; + clock-names = "fck"; + assigned-clocks = <&k3_clks 41 1>; + assigned-clock-parents = <&k3_clks 41 2>; + power-domains = <&k3_pds 41 TI_SCI_PD_EXCLUSIVE>; + ti,timer-pwm; + }; + + main_timer6: timer@2460000 { + compatible = "ti,am654-timer"; + reg = <0x00 0x2460000 0x00 0x400>; + interrupts = ; + clocks = <&k3_clks 42 1>; + clock-names = "fck"; + assigned-clocks = <&k3_clks 42 1>; + assigned-clock-parents = <&k3_clks 42 2>; + power-domains = <&k3_pds 42 TI_SCI_PD_EXCLUSIVE>; + ti,timer-pwm; + }; + + main_timer7: timer@2470000 { + compatible = "ti,am654-timer"; + reg = <0x00 0x2470000 0x00 0x400>; + interrupts = ; + clocks = <&k3_clks 43 1>; + clock-names = "fck"; + assigned-clocks = <&k3_clks 43 1>; + assigned-clock-parents = <&k3_clks 43 2>; + power-domains = <&k3_pds 43 TI_SCI_PD_EXCLUSIVE>; + ti,timer-pwm; + }; + + main_timer8: timer@2480000 { + compatible = "ti,am654-timer"; + reg = <0x00 0x2480000 0x00 0x400>; + interrupts = ; + clocks = <&k3_clks 44 1>; + clock-names = "fck"; + assigned-clocks = <&k3_clks 44 1>; + assigned-clock-parents = <&k3_clks 44 2>; + power-domains = <&k3_pds 44 TI_SCI_PD_EXCLUSIVE>; + ti,timer-pwm; + }; + + main_timer9: timer@2490000 { + compatible = "ti,am654-timer"; + reg = <0x00 0x2490000 0x00 0x400>; + interrupts = ; + clocks = <&k3_clks 45 1>; + clock-names = "fck"; + assigned-clocks = <&k3_clks 45 1>; + assigned-clock-parents = <&k3_clks 45 2>; + power-domains = <&k3_pds 45 TI_SCI_PD_EXCLUSIVE>; + ti,timer-pwm; + }; + + main_timer10: timer@24a0000 { + compatible = "ti,am654-timer"; + reg = <0x00 0x24a0000 0x00 0x400>; + interrupts = ; + clocks = <&k3_clks 46 1>; + clock-names = "fck"; + assigned-clocks = <&k3_clks 46 1>; + assigned-clock-parents = <&k3_clks 46 2>; + power-domains = <&k3_pds 46 TI_SCI_PD_EXCLUSIVE>; + ti,timer-pwm; + }; + + main_timer11: timer@24b0000 { + compatible = "ti,am654-timer"; + reg = <0x00 0x24b0000 0x00 0x400>; + interrupts = ; + clocks = <&k3_clks 47 1>; + clock-names = "fck"; + assigned-clocks = <&k3_clks 47 1>; + assigned-clock-parents = <&k3_clks 47 2>; + power-domains = <&k3_pds 47 TI_SCI_PD_EXCLUSIVE>; + ti,timer-pwm; + }; + main_uart0: serial@2800000 { compatible = "ti,am64-uart", "ti,am654-uart"; reg = <0x00 0x02800000 0x00 0x100>; -- cgit v1.2.3