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authorMiquel Raynal <miquel.raynal@bootlin.com>2021-11-26 15:24:12 +0100
committerTony Lindgren <tony@atomide.com>2021-12-09 10:06:42 +0200
commit6c06a9f55b5fc9f48950bedfe8d5b74748a21e76 (patch)
tree3638b29d1103ee89a646fe878fb757c9276f98c4
parentd2e8a6c43bbf61200e5fcb3199efc2680af32bc1 (diff)
downloadlinux-6c06a9f55b5fc9f48950bedfe8d5b74748a21e76.tar.bz2
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>
-rw-r--r--arch/arm/boot/dts/am437x-l4.dtsi31
-rw-r--r--arch/arm/boot/dts/am43xx-clocks.dtsi7
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 ba58e6b0da1d..8f2268c02778 100644
--- 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 314fc5975acb..66e892fa3398 100644
--- 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";