ARM: dts: am43xx: Describe the magnetic reader/ADC1 hardware module

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@bootlin.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/am437x-l4.dtsi b/arch/arm/boot/dts/am437x-l4.dtsi
index ba58e6b..8f2268c 100644 (file)
--- a/arch/arm/boot/dts/am437x-l4.dtsi
+++ b/arch/arm/boot/dts/am437x-l4.dtsi
@@ -2378,11 +2378,38 @@
                };
 
                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 314fc59..66e892f 100644 (file)
--- a/arch/arm/boot/dts/am43xx-clocks.dtsi
+++ b/arch/arm/boot/dts/am43xx-clocks.dtsi
@@ -444,6 +444,13 @@
                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";