Merge pull request #5107 from jamesmunns/james/spll

[MCXA]: Add SPLL/PLL1 support

1 files changed, 23 insertions, 3 deletions

diff --git a/examples/mcxa/src/bin/clkout.rs b/examples/mcxa/src/bin/clkout.rs
index e6e6a2d3d..c0e8c330d 100644
--- a/examples/mcxa/src/bin/clkout.rs
+++ b/examples/mcxa/src/bin/clkout.rs
@@ -4,7 +4,7 @@
 use embassy_executor::Spawner;
 use embassy_mcxa::clkout::{ClockOut, ClockOutSel, Config, Div4};
 use embassy_mcxa::clocks::PoweredClock;
-use embassy_mcxa::clocks::config::{SoscConfig, SoscMode};
+use embassy_mcxa::clocks::config::{SoscConfig, SoscMode, SpllConfig, SpllMode, SpllSource};
 use embassy_mcxa::gpio::{DriveStrength, Level, Output, SlewRate};
 use embassy_time::Timer;
 use {defmt_rtt as _, embassy_mcxa as hal, panic_probe as _};
@@ -18,6 +18,19 @@ async fn main(_spawner: Spawner) {
         frequency: 8_000_000,
         power: PoweredClock::NormalEnabledDeepSleepDisabled,
     });
+    cfg.clock_cfg.spll = Some(SpllConfig {
+        source: SpllSource::Sirc,
+        // 12MHz
+        // 12 x 32 => 384MHz
+        // 384 / (16 x 2) => 12.0MHz
+        mode: SpllMode::Mode1b {
+            m_mult: 32,
+            p_div: 16,
+            bypass_p2_div: false,
+        },
+        power: PoweredClock::NormalEnabledDeepSleepDisabled,
+        pll1_clk_div: None,
+    });
 
     let p = hal::init(cfg);
 
@@ -39,11 +52,18 @@ async fn main(_spawner: Spawner) {
         div: const { Div4::from_divisor(16).unwrap() },
         level: PoweredClock::NormalEnabledDeepSleepDisabled,
     };
+    const M1_CONFIG: Config = Config {
+        sel: ClockOutSel::Pll1Clk,
+        div: const { Div4::from_divisor(12).unwrap() },
+        level: PoweredClock::NormalEnabledDeepSleepDisabled,
+    };
 
+    #[rustfmt::skip]
     let configs = [
-        ("16K -> /1 = 16K", K16_CONFIG),
-        ("12M -> /3 = 4M", M4_CONFIG),
+        ("16K -> /1 = 16K",  K16_CONFIG),
+        ("12M -> /3 = 4M",   M4_CONFIG),
         ("8M -> /16 = 512K", K512_CONFIG),
+        ("12M-> /12 = 1M",   M1_CONFIG),
     ];
 
     loop {