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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>
This commit is contained in:
Miquel Raynal 2021-11-26 15:24:12 +01:00 committed by Tony Lindgren
parent d2e8a6c43b
commit 6c06a9f55b
2 changed files with 36 additions and 2 deletions
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31
arch/arm/boot/dts/am437x-l4.dtsi
View File

@ -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 */

7
arch/arm/boot/dts/am43xx-clocks.dtsi
View File

@ -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";