mirror of https://gitee.com/openkylin/linux.git
ARM: dts: meson8b: inherit meson.dtsi from meson8b.dtsi
Currently only meson6.dtsi and meson8.dtsi inherit the generic meson.dtsi. However, since the Meson8b platform is basically a slightly updated version of Meson8 we can safely inherit meson.dtsi. An indicator for this are the nodes which are identical in meson.dtsi and meson8b.dtsi (L2, gic, timer, uart_AO, uart_A, uart_B, uart_C). Additionally this makes the following devices available on Meson8b which were not avaialble before (however, since all affected drivers support Meson6, Meson8 and the whole GX series there's no reason to assume that they are not working): - i2c_a and i2c_B - the IR receiver - SPFIC (SPI flash controller) - the dwmac ethernet controller Differences between Meson8 and Meson8b seem to be: - ARM Cortex-A5 core instead of Cortex-A9 on Meson8 - dwmac on Meson8b supports RGMII - small pinctrl updates Inheriting meson.dtsi makes it easier to maintain by removing duplicate definitions. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Kevin Hilman <khilman@baylibre.com>
This commit is contained in:
Martin Blumenstingl
Kevin Hilman
parent
200a575b68
commit
f44135e1f9
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@ -47,11 +47,9 @@
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#include <dt-bindings/clock/meson8b-clkc.h>
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#include <dt-bindings/gpio/meson8b-gpio.h>
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#include <dt-bindings/reset/amlogic,meson8b-reset.h>
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#include "skeleton.dtsi"
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#include "meson.dtsi"
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/ {
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interrupt-parent = <&gic>;
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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@ -84,147 +82,107 @@ cpu@203 {
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reg = <0x203>;
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};
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};
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}; /* end of / */
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soc {
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compatible = "simple-bus";
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&aobus {
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pinctrl_aobus: pinctrl@84 {
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compatible = "amlogic,meson8b-aobus-pinctrl";
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reg = <0x84 0xc>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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L2: l2-cache-controller@c4200000 {
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compatible = "arm,pl310-cache";
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reg = <0xc4200000 0x1000>;
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cache-unified;
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cache-level = <2>;
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gpio_ao: ao-bank@14 {
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reg = <0x14 0x4>,
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<0x2c 0x4>,
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<0x24 0x8>;
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reg-names = "mux", "pull", "gpio";
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&pinctrl_aobus 0 130 16>;
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};
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gic: interrupt-controller@c4301000 {
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compatible = "arm,cortex-a9-gic";
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reg = <0xc4301000 0x1000>,
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<0xc4300100 0x0100>;
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interrupt-controller;
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#interrupt-cells = <3>;
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};
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reset: reset-controller@c1104404 {
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compatible = "amlogic,meson8b-reset";
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reg = <0xc1104404 0x20>;
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#reset-cells = <1>;
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};
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wdt: watchdog@c1109900 {
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compatible = "amlogic,meson8b-wdt";
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reg = <0xc1109900 0x8>;
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interrupts = <0 0 1>;
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};
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timer@c1109940 {
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compatible = "amlogic,meson6-timer";
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reg = <0xc1109940 0x18>;
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interrupts = <0 10 1>;
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};
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uart_AO: serial@c81004c0 {
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compatible = "amlogic,meson-uart";
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reg = <0xc81004c0 0x18>;
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interrupts = <0 90 1>;
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clocks = <&clkc CLKID_CLK81>;
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status = "disabled";
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};
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uart_A: serial@c11084c0 {
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compatible = "amlogic,meson-uart";
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reg = <0xc11084c0 0x18>;
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interrupts = <0 26 1>;
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clocks = <&clkc CLKID_CLK81>;
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status = "disabled";
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};
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uart_B: serial@c11084dc {
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compatible = "amlogic,meson-uart";
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reg = <0xc11084dc 0x18>;
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interrupts = <0 75 1>;
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clocks = <&clkc CLKID_CLK81>;
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status = "disabled";
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};
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uart_C: serial@c1108700 {
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compatible = "amlogic,meson-uart";
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reg = <0xc1108700 0x18>;
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interrupts = <0 93 1>;
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clocks = <&clkc CLKID_CLK81>;
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status = "disabled";
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};
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clkc: clock-controller@c1104000 {
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#clock-cells = <1>;
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compatible = "amlogic,meson8b-clkc";
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reg = <0xc1108000 0x4>, <0xc1104000 0x460>;
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};
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pwm_ab: pwm@8550 {
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compatible = "amlogic,meson8b-pwm";
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reg = <0xc1108550 0x10>;
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#pwm-cells = <3>;
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status = "disabled";
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};
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pwm_cd: pwm@8650 {
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compatible = "amlogic,meson8b-pwm";
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reg = <0xc1108650 0x10>;
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#pwm-cells = <3>;
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status = "disabled";
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};
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pwm_ef: pwm@86c0 {
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compatible = "amlogic,meson8b-pwm";
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reg = <0xc11086c0 0x10>;
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#pwm-cells = <3>;
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status = "disabled";
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};
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pinctrl_cbus: pinctrl@c1109880 {
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compatible = "amlogic,meson8b-cbus-pinctrl";
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reg = <0xc1109880 0x10>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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gpio: banks@c11080b0 {
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reg = <0xc11080b0 0x28>,
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<0xc11080e8 0x18>,
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<0xc1108120 0x18>,
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<0xc1108030 0x38>;
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reg-names = "mux", "pull", "pull-enable", "gpio";
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&pinctrl_cbus 0 0 130>;
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};
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};
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pinctrl_aobus: pinctrl@c8100084 {
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compatible = "amlogic,meson8b-aobus-pinctrl";
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reg = <0xc8100084 0xc>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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gpio_ao: ao-bank@c1108030 {
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reg = <0xc8100014 0x4>,
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<0xc810002c 0x4>,
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<0xc8100024 0x8>;
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reg-names = "mux", "pull", "gpio";
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&pinctrl_aobus 0 130 16>;
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};
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uart_ao_a_pins: uart_ao_a {
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mux {
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groups = "uart_tx_ao_a", "uart_rx_ao_a";
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function = "uart_ao";
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};
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uart_ao_a_pins: uart_ao_a {
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mux {
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groups = "uart_tx_ao_a", "uart_rx_ao_a";
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function = "uart_ao";
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};
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};
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};
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}; /* end of / */
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};
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&cbus {
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clkc: clock-controller@4000 {
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#clock-cells = <1>;
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compatible = "amlogic,meson8b-clkc";
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reg = <0x8000 0x4>, <0x4000 0x460>;
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};
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reset: reset-controller@4404 {
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compatible = "amlogic,meson8b-reset";
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reg = <0x4404 0x20>;
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#reset-cells = <1>;
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};
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pwm_ab: pwm@8550 {
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compatible = "amlogic,meson8b-pwm";
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reg = <0x8550 0x10>;
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#pwm-cells = <3>;
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status = "disabled";
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};
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pwm_cd: pwm@8650 {
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compatible = "amlogic,meson8b-pwm";
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reg = <0x8650 0x10>;
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#pwm-cells = <3>;
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status = "disabled";
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};
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pwm_ef: pwm@86c0 {
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compatible = "amlogic,meson8b-pwm";
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reg = <0x86c0 0x10>;
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#pwm-cells = <3>;
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status = "disabled";
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};
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wdt: watchdog@9900 {
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compatible = "amlogic,meson8b-wdt";
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reg = <0x9900 0x8>;
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interrupts = <0 0 1>;
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};
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pinctrl_cbus: pinctrl@9880 {
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compatible = "amlogic,meson8b-cbus-pinctrl";
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reg = <0x9880 0x10>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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gpio: banks@80b0 {
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reg = <0x80b0 0x28>,
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<0x80e8 0x18>,
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<0x8120 0x18>,
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<0x8030 0x38>;
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reg-names = "mux", "pull", "pull-enable", "gpio";
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&pinctrl_cbus 0 0 130>;
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};
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};
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};
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&uart_AO {
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clocks = <&clkc CLKID_CLK81>;
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};
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&uart_A {
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clocks = <&clkc CLKID_CLK81>;
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};
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&uart_B {
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clocks = <&clkc CLKID_CLK81>;
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};
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&uart_C {
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clocks = <&clkc CLKID_CLK81>;
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};
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