ARM: dts: stm32: add support for PWM on stm32mp157a-dk1
Add PWM support on stm32mp157a-dk1 board. There are several timers channels made available on GPIO expansion and arduino connectors: - Add PWM and trigger support (these timers can also be used as trigger for ADC). It's easier then to configure them all. But keep them disabled by default, so the pins are kept in their initial state to lower power consumption. This way they can also be used as GPIO. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
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@ -502,6 +502,91 @@
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status = "okay";
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};
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&timers1 {
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/* spare dmas for other usage */
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "disabled";
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pwm {
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pinctrl-0 = <&pwm1_pins_a>;
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pinctrl-1 = <&pwm1_sleep_pins_a>;
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pinctrl-names = "default", "sleep";
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status = "okay";
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};
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timer@0 {
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status = "okay";
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};
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};
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&timers3 {
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "disabled";
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pwm {
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pinctrl-0 = <&pwm3_pins_a>;
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pinctrl-1 = <&pwm3_sleep_pins_a>;
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pinctrl-names = "default", "sleep";
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status = "okay";
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};
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timer@2 {
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status = "okay";
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};
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};
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&timers4 {
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "disabled";
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pwm {
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pinctrl-0 = <&pwm4_pins_a &pwm4_pins_b>;
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pinctrl-1 = <&pwm4_sleep_pins_a &pwm4_sleep_pins_b>;
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pinctrl-names = "default", "sleep";
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status = "okay";
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};
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timer@3 {
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status = "okay";
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};
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};
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&timers5 {
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "disabled";
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pwm {
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pinctrl-0 = <&pwm5_pins_a>;
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pinctrl-1 = <&pwm5_sleep_pins_a>;
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pinctrl-names = "default", "sleep";
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status = "okay";
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};
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timer@4 {
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status = "okay";
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};
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};
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&timers6 {
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "disabled";
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timer@5 {
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status = "okay";
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};
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};
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&timers12 {
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/delete-property/dmas;
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/delete-property/dma-names;
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status = "disabled";
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pwm {
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pinctrl-0 = <&pwm12_pins_a>;
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pinctrl-1 = <&pwm12_sleep_pins_a>;
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pinctrl-names = "default", "sleep";
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status = "okay";
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};
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timer@11 {
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status = "okay";
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};
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};
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&uart4 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart4_pins_a>;
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