[PATCH v2 3/3] arm64: dts: amlogic: t7: Add clock controller nodes
From: Jian Hu <hidden>
Date: 2026-03-13 07:00:47
Also in:
linux-amlogic, linux-clk, linux-devicetree, lkml
Subsystem:
arm/amlogic meson soc support, the rest · Maintainers:
Neil Armstrong, Kevin Hilman, Linus Torvalds
Add the required clock controller nodes for Amlogic T7 SoC family: - SCMI clock controller - PLL clock controller - Peripheral clock controller Signed-off-by: Jian Hu <redacted> Signed-off-by: Ronald Claveau <redacted> --- arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi | 125 ++++++++++++++++++++ 1 file changed, 125 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
index 6510068bcff9..a610f642953d 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi@@ -6,6 +6,9 @@ #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/power/amlogic,t7-pwrc.h> #include "amlogic-t7-reset.h" +#include <dt-bindings/clock/amlogic,t7-scmi.h> +#include <dt-bindings/clock/amlogic,t7-pll-clkc.h> +#include <dt-bindings/clock/amlogic,t7-peripherals-clkc.h> / { interrupt-parent = <&gic>;
@@ -201,6 +204,34 @@ pwrc: power-controller { }; }; + sram@f7042000 { + compatible = "mmio-sram"; + reg = <0x0 0xf7042000 0x0 0x100>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x0 0xf7042000 0x100>; + + scmi_shmem: sram@0 { + compatible = "arm,scmi-shmem"; + reg = <0x0 0x100>; + }; + }; + + firmware { + scmi: scmi { + compatible = "arm,scmi-smc"; + arm,smc-id = <0x820000c1>; + shmem = <&scmi_shmem>; + #address-cells = <1>; + #size-cells = <0>; + + scmi_clk: protocol@14 { + reg = <0x14>; + #clock-cells = <1>; + }; + }; + }; + soc { compatible = "simple-bus"; #address-cells = <2>;
@@ -224,6 +255,42 @@ apb4: bus@fe000000 { #size-cells = <2>; ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>; + clkc_periphs: clock-controller@0 { + compatible = "amlogic,t7-peripherals-clkc"; + reg = <0x0 0x0 0x0 0x1c8>; + #clock-cells = <1>; + clocks = <&xtal>, + <&scmi_clk CLKID_SYS_CLK>, + <&scmi_clk CLKID_FIXED_PLL>, + <&scmi_clk CLKID_FCLK_DIV2>, + <&scmi_clk CLKID_FCLK_DIV2P5>, + <&scmi_clk CLKID_FCLK_DIV3>, + <&scmi_clk CLKID_FCLK_DIV4>, + <&scmi_clk CLKID_FCLK_DIV5>, + <&scmi_clk CLKID_FCLK_DIV7>, + <&hifi CLKID_HIFI_PLL>, + <&gp0 CLKID_GP0_PLL>, + <&gp1 CLKID_GP1_PLL>, + <&mpll CLKID_MPLL1>, + <&mpll CLKID_MPLL2>, + <&mpll CLKID_MPLL3>; + clock-names = "xtal", + "sys", + "fix", + "fdiv2", + "fdiv2p5", + "fdiv3", + "fdiv4", + "fdiv5", + "fdiv7", + "hifi", + "gp0", + "gp1", + "mpll1", + "mpll2", + "mpll3"; + }; + reset: reset-controller@2000 { compatible = "amlogic,t7-reset"; reg = <0x0 0x2000 0x0 0x98>;
@@ -269,6 +336,64 @@ uart_a: serial@78000 { status = "disabled"; }; + gp0: clock-controller@8080 { + compatible = "amlogic,t7-gp0-pll"; + reg = <0x0 0x8080 0x0 0x20>; + clocks = <&scmi_clk CLKID_TOP_PLL_OSC>; + clock-names = "in0"; + #clock-cells = <1>; + }; + + gp1: clock-controller@80c0 { + compatible = "amlogic,t7-gp1-pll"; + reg = <0x0 0x80c0 0x0 0x14>; + clocks = <&scmi_clk CLKID_TOP_PLL_OSC>; + clock-names = "in0"; + #clock-cells = <1>; + }; + + hifi: clock-controller@8100 { + compatible = "amlogic,t7-hifi-pll"; + reg = <0x0 0x8100 0x0 0x20>; + clocks = <&scmi_clk CLKID_TOP_PLL_OSC>; + clock-names = "in0"; + #clock-cells = <1>; + }; + + pcie: clock-controller@8140 { + compatible = "amlogic,t7-pcie-pll"; + reg = <0x0 0x8140 0x0 0x1c>; + clocks = <&scmi_clk CLKID_PCIE_OSC>; + clock-names = "in0"; + #clock-cells = <1>; + }; + + mpll: clock-controller@8180 { + compatible = "amlogic,t7-mpll"; + reg = <0x0 0x8180 0x0 0x28>; + clocks = <&scmi_clk CLKID_FIXED_PLL_DCO>; + clock-names = "in0"; + #clock-cells = <1>; + }; + + hdmi: clock-controller@81c0 { + compatible = "amlogic,t7-hdmi-pll"; + reg = <0x0 0x81c0 0x0 0x20>; + clocks = <&scmi_clk CLKID_HDMI_PLL_OSC>; + clock-names = "in0"; + #clock-cells = <1>; + }; + + mclk: clock-controller@8300 { + compatible = "amlogic,t7-mclk-pll"; + reg = <0x0 0x8300 0x0 0x18>; + clocks = <&scmi_clk CLKID_MCLK_PLL_OSC>, + <&xtal>, + <&scmi_clk CLKID_FCLK_50M>; + clock-names = "in0", "in1", "in2"; + #clock-cells = <1>; + }; + sec_ao: ao-secure@10220 { compatible = "amlogic,t7-ao-secure", "amlogic,meson-gx-ao-secure",
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2.47.1