[PATCH 1/1] arm64: dts: mediatek: add clock support for mt7986a
Matthias Brugger
matthias.bgg at gmail.com
Tue Mar 1 00:33:34 PST 2022
On 19/01/2022 13:36, Sam Shih wrote:
> Add clock controller nodes, include 40M clock source, topckgen,
> infracfg, apmixedsys and ethernet subsystem.
>
> Signed-off-by: Sam Shih <sam.shih at mediatek.com>
Applied, thanks!
> ---
> arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 68 +++++++++++++++++++++--
> 1 file changed, 63 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
> index b8da76b6ba47..694acf8f5b70 100644
> --- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
> @@ -6,16 +6,18 @@
>
> #include <dt-bindings/interrupt-controller/irq.h>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/clock/mt7986-clk.h>
>
> / {
> interrupt-parent = <&gic>;
> #address-cells = <2>;
> #size-cells = <2>;
>
> - system_clk: dummy40m {
> + clk40m: oscillator at 0 {
> compatible = "fixed-clock";
> clock-frequency = <40000000>;
> #clock-cells = <0>;
> + clock-output-names = "clkxtal";
> };
>
> cpus {
> @@ -98,6 +100,18 @@ gic: interrupt-controller at c000000 {
> interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
> };
>
> + infracfg: infracfg at 10001000 {
> + compatible = "mediatek,mt7986-infracfg", "syscon";
> + reg = <0 0x10001000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + topckgen: topckgen at 1001b000 {
> + compatible = "mediatek,mt7986-topckgen", "syscon";
> + reg = <0 0x1001B000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> watchdog: watchdog at 1001c000 {
> compatible = "mediatek,mt7986-wdt",
> "mediatek,mt6589-wdt";
> @@ -107,6 +121,12 @@ watchdog: watchdog at 1001c000 {
> status = "disabled";
> };
>
> + apmixedsys: apmixedsys at 1001e000 {
> + compatible = "mediatek,mt7986-apmixedsys";
> + reg = <0 0x1001E000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> pio: pinctrl at 1001f000 {
> compatible = "mediatek,mt7986a-pinctrl";
> reg = <0 0x1001f000 0 0x1000>,
> @@ -128,11 +148,25 @@ pio: pinctrl at 1001f000 {
> #interrupt-cells = <2>;
> };
>
> + sgmiisys0: syscon at 10060000 {
> + compatible = "mediatek,mt7986-sgmiisys_0",
> + "syscon";
> + reg = <0 0x10060000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> + sgmiisys1: syscon at 10070000 {
> + compatible = "mediatek,mt7986-sgmiisys_1",
> + "syscon";
> + reg = <0 0x10070000 0 0x1000>;
> + #clock-cells = <1>;
> + };
> +
> trng: trng at 1020f000 {
> compatible = "mediatek,mt7986-rng",
> "mediatek,mt7623-rng";
> reg = <0 0x1020f000 0 0x100>;
> - clocks = <&system_clk>;
> + clocks = <&infracfg CLK_INFRA_TRNG_CK>;
> clock-names = "rng";
> status = "disabled";
> };
> @@ -142,7 +176,13 @@ uart0: serial at 11002000 {
> "mediatek,mt6577-uart";
> reg = <0 0x11002000 0 0x400>;
> interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&system_clk>;
> + clocks = <&infracfg CLK_INFRA_UART0_SEL>,
> + <&infracfg CLK_INFRA_UART0_CK>;
> + clock-names = "baud", "bus";
> + assigned-clocks = <&topckgen CLK_TOP_UART_SEL>,
> + <&infracfg CLK_INFRA_UART0_SEL>;
> + assigned-clock-parents = <&topckgen CLK_TOP_XTAL>,
> + <&topckgen CLK_TOP_UART_SEL>;
> status = "disabled";
> };
>
> @@ -151,7 +191,11 @@ uart1: serial at 11003000 {
> "mediatek,mt6577-uart";
> reg = <0 0x11003000 0 0x400>;
> interrupts = <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&system_clk>;
> + clocks = <&infracfg CLK_INFRA_UART1_SEL>,
> + <&infracfg CLK_INFRA_UART1_CK>;
> + clock-names = "baud", "bus";
> + assigned-clocks = <&infracfg CLK_INFRA_UART1_SEL>;
> + assigned-clock-parents = <&topckgen CLK_TOP_F26M_SEL>;
> status = "disabled";
> };
>
> @@ -160,10 +204,24 @@ uart2: serial at 11004000 {
> "mediatek,mt6577-uart";
> reg = <0 0x11004000 0 0x400>;
> interrupts = <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>;
> - clocks = <&system_clk>;
> + clocks = <&infracfg CLK_INFRA_UART2_SEL>,
> + <&infracfg CLK_INFRA_UART2_CK>;
> + clock-names = "baud", "bus";
> + assigned-clocks = <&infracfg CLK_INFRA_UART2_SEL>;
> + assigned-clock-parents = <&topckgen CLK_TOP_F26M_SEL>;
> status = "disabled";
> };
>
> + ethsys: syscon at 15000000 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "mediatek,mt7986-ethsys",
> + "syscon";
> + reg = <0 0x15000000 0 0x1000>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + };
> +
> };
>
> };
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