This hardware module is close to the am33xx ADC module but instead of
featuring a touchscreen it has a magnetic reader capability.
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
---
arch/arm/boot/dts/am437x-l4.dtsi | 31 ++++++++++++++++++++++++++--
arch/arm/boot/dts/am43xx-clocks.dtsi | 7 +++++++
2 files changed, 36 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/am437x-l4.dtsi b/arch/arm/boot/dts/am437x-l4.dtsi
index 370c4e64676f..7a3dcfc7bfc9 100644
--- a/arch/arm/boot/dts/am437x-l4.dtsi
+++ b/arch/arm/boot/dts/am437x-l4.dtsi
@@ -2350,11 +2350,38 @@ hdq: hdq@0 {
};
target-module@4c000 { /* 0x4834c000, ap 114 72.0 */
- compatible = "ti,sysc";
- status = "disabled";
+ compatible = "ti,sysc-omap4", "ti,sysc";
+ reg = <0x4c000 0x4>,
+ <0x4c010 0x4>;
+ reg-names = "rev", "sysc";
+ ti,sysc-sidle = <SYSC_IDLE_FORCE>,
+ <SYSC_IDLE_NO>,
+ <SYSC_IDLE_SMART>;
+ clocks = <&l3s_clkctrl AM4_L3S_ADC1_CLKCTRL 0>;
+ clock-names = "fck";
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x4c000 0x2000>;
+
+ magadc: magadc@0 {
+ compatible = "ti,am4372-magadc";
+ reg = <0x0 0x2000>;
+ interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&adc_mag_fck>;
+ clock-names = "fck";
+ dmas = <&edma 54 0>, <&edma 55 0>;;
+ dma-names = "fifo0", "fifo1";
+ status = "disabled";
+
+ mag {
+ compatible = "ti,am4372-mag";
+ };
+
+ adc {
+ #io-channel-cells = <1>;
+ compatible ="ti,am4372-adc";
+ };
+ };
};
target-module@80000 { /* 0x48380000, ap 123 42.0 */
diff --git a/arch/arm/boot/dts/am43xx-clocks.dtsi b/arch/arm/boot/dts/am43xx-clocks.dtsi
index c726cd8dbdf1..59b1f592a743 100644
--- a/arch/arm/boot/dts/am43xx-clocks.dtsi
+++ b/arch/arm/boot/dts/am43xx-clocks.dtsi
@@ -444,6 +444,13 @@ wdt1_fck: wdt1_fck@422c {
reg = <0x422c>;
};
+ adc_mag_fck: adc_mag_fck@424c {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&sys_clkin_ck>, <&dpll_per_m2_ck>;
+ reg = <0x424c>;
+ };
+
l3_gclk: l3_gclk {
#clock-cells = <0>;
compatible = "fixed-factor-clock";
--
2.27.0
