First commit

2 files changed, 109 insertions, 0 deletions

diff --git a/drivers/iomuxc-10xx/Cargo.toml b/drivers/iomuxc-10xx/Cargo.toml
new file mode 100644
index 0000000..23e252d
--- /dev/null
+++ b/drivers/iomuxc-10xx/Cargo.toml
@@ -0,0 +1,7 @@
+[package]
+name = "imxrt-drivers-iomuxc-10xx"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]
+ral-registers = { workspace = true }
diff --git a/drivers/iomuxc-10xx/src/lib.rs b/drivers/iomuxc-10xx/src/lib.rs
new file mode 100644
index 0000000..b144065
--- /dev/null
+++ b/drivers/iomuxc-10xx/src/lib.rs
@@ -0,0 +1,102 @@
+#![no_std]
+
+pub mod iomuxc_gpr {
+    #[repr(C)]
+    #[allow(non_snake_case)]
+    pub struct RegisterBlock<const GPR_REGISTERS: usize> {
+        pub GPR: [u32; GPR_REGISTERS],
+    }
+
+    ral_registers::register!(pub GPR<u32> RW []);
+}
+
+pub mod iomuxc {
+    #[repr(C)]
+    #[allow(non_snake_case)]
+    pub struct RegisterBlock<
+        const OFFSET_BYTES: usize,
+        const PAD_REGISTERS: usize,
+        const SELECT_INPUT: usize,
+    > {
+        _reserved: [u8; OFFSET_BYTES],
+        pub SW_MUX_CTL_PAD: [u32; PAD_REGISTERS],
+        pub SW_PAD_CTL_PAD: [u32; PAD_REGISTERS],
+        pub SELECT_INPUT: [u32; SELECT_INPUT],
+    }
+
+    ral_registers::register! {
+        /// Multiplex control register.
+        pub SW_MUX_CTL_PAD<u32> RW [
+            /// Multiplex selection.
+            ///
+            /// Note that this bitwidth may be larger than
+            /// what is implemented for your IP. Consult
+            /// your part's reference manual for more information.
+            MUX_MODE start(0) width(4) RW {}
+            /// Software Input On.
+            SION     start(4) width(1) RW {}
+    ]}
+
+    ral_registers::register! {
+        /// Pad control register.
+        pub SW_PAD_CTL_PAD<u32> RW [
+            /// Slew rate.
+            SRE     start(0) width(1) RW {
+                /// Slow slew rate.
+                SLOW = 0,
+                /// Fast slew rate.
+                FAST = 1,
+            }
+
+            /// Drive strength.
+            DSE     start(3) width(3) RW {
+                DISABLED = 0,
+                R0 = 1,
+                R0_2 = 2,
+                R0_3 = 3,
+                R0_4 = 4,
+                R0_5 = 5,
+                R0_6 = 6,
+                R0_7 = 7,
+            }
+
+            /// Speed.
+            SPEED   start(6) width(2) RW {
+                LOW_50MHZ = 0,
+                MEDIUM_100MHz = 1,
+                FAST_150MHZ = 2,
+                MAX_200MHZ = 3,
+            }
+
+            /// Open drain enable.
+            ODE     start(11) width(1) RW {}
+            /// Pull / keep enable.
+            PKE     start(12) width(1) RW {}
+            /// Pull / keep select
+            PUE     start(13) width(1) RW {
+                /// Use the keeper.
+                KEEPER = 0,
+                /// Use the PU / PD.
+                PULL = 1,
+            }
+            /// Pull up / down selection.
+            PUS     start(14) width(2) RW {
+                /// 100K Ohm Pull Down
+                PD_100K_OHM = 0,
+                /// 47K Ohm Pull Up
+                PU_47K_OHM = 0x01,
+                /// 100K Ohm Pull Up
+                PU_100K_OHM = 0x02,
+                /// 22K Ohm Pull Up
+                PU_22K_OHM = 0x03,
+            }
+
+            /// Hysteresis enable.
+            HYS     start(16) width(1) RW {}
+        ]
+    }
+
+    ral_registers::register! {
+        pub SELECT_INPUT<u32> RW []
+    }
+}