| /linux/drivers/input/keyboard/ |
| H A D | sun4i-lradc-keys.c | 111 struct sun4i_lradc_data *lradc = dev_id; in sun4i_lradc_irq() local
114 ints = readl(lradc->base + LRADC_INTS); in sun4i_lradc_irq()
122 input_report_key(lradc->input, lradc->chan0_keycode, 0); in sun4i_lradc_irq()
123 lradc->chan0_keycode = 0; in sun4i_lradc_irq()
126 if ((ints & CHAN0_KEYDOWN_IRQ) && lradc->chan0_keycode == 0) { in sun4i_lradc_irq()
127 val = readl(lradc->base + LRADC_DATA0) & 0x3f; in sun4i_lradc_irq()
128 voltage = val * lradc->vref / 63; in sun4i_lradc_irq()
130 for (i = 0; i < lradc->chan0_map_count; i++) { in sun4i_lradc_irq()
131 diff = abs(lradc->chan0_map[i].voltage - voltage); in sun4i_lradc_irq()
134 keycode = lradc->chan0_map[i].keycode; in sun4i_lradc_irq()
[all …]
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| H A D | Makefile | 66 obj-$(CONFIG_KEYBOARD_SUN4I_LRADC) += sun4i-lradc-keys.o
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| /linux/drivers/mfd/ |
| H A D | mxs-lradc.c | 130 struct mxs_lradc *lradc; in mxs_lradc_probe() local
136 lradc = devm_kzalloc(&pdev->dev, sizeof(*lradc), GFP_KERNEL); in mxs_lradc_probe()
137 if (!lradc) in mxs_lradc_probe()
140 lradc->soc = (kernel_ulong_t)device_get_match_data(&pdev->dev); in mxs_lradc_probe()
142 lradc->clk = devm_clk_get(&pdev->dev, NULL); in mxs_lradc_probe()
143 if (IS_ERR(lradc->clk)) { in mxs_lradc_probe()
145 return PTR_ERR(lradc->clk); in mxs_lradc_probe()
148 ret = clk_prepare_enable(lradc->clk); in mxs_lradc_probe()
158 lradc->buffer_vchans = BUFFER_VCHANS_LIMITED; in mxs_lradc_probe()
162 lradc->touchscreen_wire = MXS_LRADC_TOUCHSCREEN_4WIRE; in mxs_lradc_probe()
[all …]
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| /linux/drivers/input/touchscreen/ |
| H A D | mxs-lradc-ts.c | 42 struct mxs_lradc *lradc; member
274 struct mxs_lradc *lradc = ts->lradc; in mxs_lradc_setup_touch_detection() local
282 writel(info[lradc->soc].mask, in mxs_lradc_setup_touch_detection()
284 writel(info[lradc->soc].bit, in mxs_lradc_setup_touch_detection()
302 struct mxs_lradc *lradc = ts->lradc; in mxs_lradc_prepare_x_pos() local
304 writel(info[lradc->soc].mask, in mxs_lradc_prepare_x_pos()
306 writel(info[lradc->soc].x_plate, in mxs_lradc_prepare_x_pos()
328 struct mxs_lradc *lradc = ts->lradc; in mxs_lradc_prepare_y_pos() local
330 writel(info[lradc->soc].mask, in mxs_lradc_prepare_y_pos()
332 writel(info[lradc->soc].y_plate, in mxs_lradc_prepare_y_pos()
[all …]
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| /linux/Documentation/devicetree/bindings/mfd/ |
| H A D | mxs-lradc.txt | 4 - compatible: Should be "fsl,imx23-lradc" for i.MX23 SoC and "fsl,imx28-lradc"
10 - fsl,lradc-touchscreen-wires: Number of wires used to connect the touchscreen
25 lradc@80050000 {
26 compatible = "fsl,imx23-lradc";
29 fsl,lradc-touchscreen-wires = <4>;
37 lradc@80050000 {
38 compatible = "fsl,imx28-lradc";
41 fsl,lradc-touchscreen-wires = <5>;
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| /linux/arch/riscv/boot/dts/allwinner/ |
| H A D | sun20i-d1.dtsi | 9 lradc: keys@2009800 { label
10 compatible = "allwinner,sun20i-d1-lradc",
11 "allwinner,sun50i-r329-lradc";
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| /linux/include/linux/mfd/ |
| H A D | mxs-lradc.h | 166 static inline u32 mxs_lradc_irq_mask(struct mxs_lradc *lradc) in mxs_lradc_irq_mask() argument
168 switch (lradc->soc) { in mxs_lradc_irq_mask()
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| /linux/arch/arm/boot/dts/nxp/mxs/ |
| H A D | imx28-cfa10058.dts | 67 &lradc {
68 fsl,lradc-touchscreen-wires = <4>;
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| H A D | imx23-evk.dts | 103 lradc@80050000 {
105 fsl,lradc-touchscreen-wires = <4>;
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| H A D | imx28-cfa10057.dts | 67 &lradc {
68 fsl,lradc-touchscreen-wires = <4>;
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| H A D | imx28-cfa10055.dts | 81 &lradc {
82 fsl,lradc-touchscreen-wires = <4>;
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| H A D | imx28-apf28dev.dts | 111 &lradc {
112 fsl,lradc-touchscreen-wires = <4>;
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| H A D | imx23.dtsi | 525 lradc: lradc@80050000 { label
526 compatible = "fsl,imx23-lradc";
633 io-channels = <&lradc 8>;
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| H A D | imx28-m28evk.dts | 127 &lradc {
129 fsl,lradc-touchscreen-wires = <4>;
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| H A D | imx28-eukrea-mbmx28lc.dtsi | 176 &lradc {
177 fsl,lradc-touchscreen-wires = <4>;
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| H A D | imx28-evk.dts | 179 &lradc {
180 fsl,lradc-touchscreen-wires = <4>;
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| H A D | imx28-cfa10049.dts | 230 &lradc {
231 fsl,lradc-touchscreen-wires = <4>;
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| H A D | imx23-olinuxino.dts | 68 lradc@80050000 {
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| H A D | imx28-duckbill.dts | 59 &lradc {
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| H A D | imx28-duckbill-2.dts | 66 &lradc {
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| /linux/arch/arm/boot/dts/allwinner/ |
| H A D | suniv-f1c100s.dtsi | 289 lradc: lradc@1c23400 { label
290 compatible = "allwinner,suniv-f1c100s-lradc",
291 "allwinner,sun8i-a83t-r-lradc";
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| H A D | sun8i-v3-sl631.dtsi | 42 &lradc {
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| H A D | sun5i-a13-pocketbook-614-plus.dts | 94 &lradc {
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| H A D | sun6i-a31s-colorfly-e708-q1.dts | 52 &lradc {
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| /linux/drivers/clk/mxs/ |
| H A D | clk-imx28.c | 139 clk32k_div, rtc, lradc, spdif_div, clk32k, pwm, uart, ssp0, enumerator
208 clks[lradc] = mxs_clk_fixed_factor("lradc", "clk32k", 1, 16); in mx28_clocks_init()
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