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Add support PWM EMIOS for S32Z270 #79532

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Merged
kartben merged 3 commits into from
Jan 18, 2025
Merged

Add support PWM EMIOS for S32Z270 #79532

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55fc826
drivers: emios_pwm: do not configure period, duty and polarity at boot
Dat-NguyenDuy Sep 28, 2024
36d4e54
dts: arm: nxp: add support pwm emios for nxp s32z SoC
Dat-NguyenDuy Sep 13, 2024
5a1650c
boards: s32z2xxdc2: add support PWM eMIOS
Dat-NguyenDuy Sep 14, 2024
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27 changes: 0 additions & 27 deletions boards/nxp/mr_canhubk3/mr_canhubk3.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -499,7 +499,6 @@
emios0_bus_a {
mode = "MCB_UP_COUNTER";
prescaler = <16>;
period = <1000>;
status = "okay";
};
};
Expand All @@ -513,63 +512,43 @@
pwm_0 {
channel = <0>;
pwm-mode = "OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};

pwm_1 {
channel = <1>;
pwm-mode = "OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};

pwm_2 {
channel = <2>;
pwm-mode = "OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};

pwm_3 {
channel = <3>;
pwm-mode = "OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};

pwm_4 {
channel = <4>;
pwm-mode = "OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};

pwm_5 {
channel = <5>;
pwm-mode = "OPWFMB";
period = <65535>;
duty-cycle = <0>;
prescaler = <8>;
polarity = "ACTIVE_HIGH";
};

rgb_red {
channel = <19>;
master-bus = <&emios0_bus_a>;
duty-cycle = <0>;
pwm-mode = "OPWMB";
polarity = "ACTIVE_LOW";
};
};
};
Expand All @@ -586,14 +565,12 @@
emios1_bus_a {
prescaler = <16>;
mode = "MCB_UP_COUNTER";
period = <1000>;
status = "okay";
};

emios1_bus_f {
prescaler = <16>;
mode = "MCB_UP_COUNTER";
period = <1000>;
status = "okay";
};
};
Expand All @@ -606,17 +583,13 @@
rgb_green {
channel = <10>;
master-bus = <&emios1_bus_a>;
duty-cycle = <0>;
pwm-mode = "OPWMB";
polarity = "ACTIVE_LOW";
};

rgb_blue {
channel = <5>;
master-bus = <&emios1_bus_f>;
duty-cycle = <0>;
pwm-mode = "OPWMB";
polarity = "ACTIVE_LOW";
};
};
};
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2 changes: 2 additions & 0 deletions boards/nxp/s32z2xxdc2/doc/index.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -60,6 +60,8 @@ The boards support the following hardware features:
+-----------+------------+-------------------------------------+
| DSPI | on-chip | spi |
+-----------+------------+-------------------------------------+
| eMIOS | on-chip | pwm |
+-----------+------------+-------------------------------------+

Other hardware features are not currently supported by the port.

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1 change: 1 addition & 0 deletions boards/nxp/s32z2xxdc2/s32z2xxdc2_s32z270_rtu0.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -19,4 +19,5 @@ supported:
- adc
- i2c
- dma
- pwm
vendor: nxp
1 change: 1 addition & 0 deletions boards/nxp/s32z2xxdc2/s32z2xxdc2_s32z270_rtu0_D.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -19,4 +19,5 @@ supported:
- adc
- i2c
- dma
- pwm
vendor: nxp
1 change: 1 addition & 0 deletions boards/nxp/s32z2xxdc2/s32z2xxdc2_s32z270_rtu1.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -19,4 +19,5 @@ supported:
- adc
- i2c
- dma
- pwm
vendor: nxp
1 change: 1 addition & 0 deletions boards/nxp/s32z2xxdc2/s32z2xxdc2_s32z270_rtu1_D.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -19,4 +19,5 @@ supported:
- adc
- i2c
- dma
- pwm
vendor: nxp
9 changes: 1 addition & 8 deletions drivers/misc/nxp_s32_emios/nxp_s32_emios.c
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Expand Up @@ -59,24 +59,17 @@ static int nxp_s32_emios_init(const struct device *dev)
.enableGlobalTimeBase = true \
};

#define NXP_S32_EMIOS_MASTER_BUS_VERIFY(node_id) \
BUILD_ASSERT(IN_RANGE(DT_PROP(node_id, period), \
MIN_MASTER_BUS_PERIOD, MAX_MASTER_BUS_PERIOD), \
"Node "DT_NODE_PATH(node_id)": period is out of range");

#define NXP_S32_EMIOS_MASTER_BUS_CONFIG(node_id) \
{ \
.hwChannel = DT_PROP(node_id, channel), \
.defaultPeriod = DT_PROP(node_id, period), \
.defaultPeriod = MAX_MASTER_BUS_PERIOD, \
.masterBusPrescaler = DT_PROP(node_id, prescaler) - 1, \
.allowDebugMode = DT_PROP(node_id, freeze), \
.masterMode = NXP_S32_EMIOS_MASTER_BUS_MODE(DT_STRING_TOKEN(node_id, mode)), \
.masterBusAltPrescaler = 0, \
},

#define NXP_S32_EMIOS_GENERATE_MASTER_BUS_CONFIG(n) \
DT_FOREACH_CHILD_STATUS_OKAY(DT_INST_CHILD(n, master_bus), \
NXP_S32_EMIOS_MASTER_BUS_VERIFY) \
const Emios_Ip_MasterBusConfigType nxp_s32_emios_##n##_master_bus_config[] = { \
DT_FOREACH_CHILD_STATUS_OKAY(DT_INST_CHILD(n, master_bus), \
NXP_S32_EMIOS_MASTER_BUS_CONFIG) \
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