drivers/gpio/gpio-stmpe.c

13 #include <linux/mfd/stmpe.h>
34 	struct stmpe *stmpe;
45 	struct stmpe *stmpe = stmpe_gpio->stmpe;
46 	u8 reg = stmpe->regs[STMPE_IDX_GPMR_LSB + (offset / 8)];
50 	ret = stmpe_reg_read(stmpe, reg);
60 	struct stmpe *stmpe = stmpe_gpio->stmpe;
62 	u8 reg = stmpe->regs[which + (offset / 8)];
69 	if (stmpe->regs[STMPE_IDX_GPSR_LSB] == stmpe->regs[STMPE_IDX_GPCR_LSB])
70 		return stmpe_set_bits(stmpe, reg, mask, val ? mask : 0);
72 	return stmpe_reg_write(stmpe, reg, mask);
79 	struct stmpe *stmpe = stmpe_gpio->stmpe;
80 	u8 reg = stmpe->regs[STMPE_IDX_GPDR_LSB] - (offset / 8);
84 	ret = stmpe_reg_read(stmpe, reg);
98 	struct stmpe *stmpe = stmpe_gpio->stmpe;
99 	u8 reg = stmpe->regs[STMPE_IDX_GPDR_LSB + (offset / 8)];
107 	return stmpe_set_bits(stmpe, reg, mask, mask);
114 	struct stmpe *stmpe = stmpe_gpio->stmpe;
115 	u8 reg = stmpe->regs[STMPE_IDX_GPDR_LSB + (offset / 8)];
118 	return stmpe_set_bits(stmpe, reg, mask, 0);
124 	struct stmpe *stmpe = stmpe_gpio->stmpe;
129 	return stmpe_set_altfunc(stmpe, BIT(offset), STMPE_BLOCK_GPIO);
133 	.label			= "stmpe",
156 	if (stmpe_gpio->stmpe->partnum == STMPE801 ||
157 	    stmpe_gpio->stmpe->partnum == STMPE1600)
185 	struct stmpe *stmpe = stmpe_gpio->stmpe;
186 	int num_banks = DIV_ROUND_UP(stmpe->num_gpios, 8);
205 	if (stmpe->partnum == STMPE1600) {
206 		ret = stmpe_reg_read(stmpe, stmpe->regs[STMPE_IDX_GPMR_LSB]);
208 			dev_err(stmpe->dev, "Failed to read GPMR_LSB: %d\n", ret);
211 		ret = stmpe_reg_read(stmpe, stmpe->regs[STMPE_IDX_GPMR_CSB]);
213 			dev_err(stmpe->dev, "Failed to read GPMR_CSB: %d\n", ret);
220 		if ((stmpe->partnum == STMPE801 ||
221 		     stmpe->partnum == STMPE1600) &&
233 			stmpe_reg_write(stmpe, stmpe->regs[regmap[i][j]], new);
270 	struct stmpe *stmpe = stmpe_gpio->stmpe;
273 	u8 dir_reg = stmpe->regs[STMPE_IDX_GPDR_LSB + bank];
282 	ret = stmpe_reg_read(stmpe, dir_reg);
317 		switch (stmpe->partnum) {
323 			edge_det_reg = stmpe->regs[STMPE_IDX_GPEDR_LSB + bank];
324 			ret = stmpe_reg_read(stmpe, edge_det_reg);
330 			rise_reg = stmpe->regs[STMPE_IDX_GPRER_LSB + bank];
331 			fall_reg = stmpe->regs[STMPE_IDX_GPFER_LSB + bank];
333 			ret = stmpe_reg_read(stmpe, rise_reg);
337 			ret = stmpe_reg_read(stmpe, fall_reg);
344 			irqen_reg = stmpe->regs[STMPE_IDX_IEGPIOR_LSB + bank];
351 		ret = stmpe_reg_read(stmpe, irqen_reg);
378 	.name			= "stmpe-gpio",
393 	struct stmpe *stmpe = stmpe_gpio->stmpe;
395 	int num_banks = DIV_ROUND_UP(stmpe->num_gpios, 8);
408 	if (stmpe->partnum == STMPE1600)
409 		statmsbreg = stmpe->regs[STMPE_IDX_ISGPIOR_LSB];
411 		statmsbreg = stmpe->regs[STMPE_IDX_ISGPIOR_MSB];
413 	ret = stmpe_block_read(stmpe, statmsbreg, num_banks, status);
418 		int bank = (stmpe_gpio->stmpe->partnum == STMPE1600) ? i :
442 		if (stmpe->partnum != STMPE801 && stmpe->partnum != STMPE1600 &&
443 		    stmpe->partnum != STMPE1801) {
444 			stmpe_reg_write(stmpe, statmsbreg + i, status[i]);
445 			stmpe_reg_write(stmpe,
446 					stmpe->regs[STMPE_IDX_GPEDR_MSB] + i,
471 static void stmpe_gpio_disable(void *stmpe)
473 	stmpe_disable(stmpe, STMPE_BLOCK_GPIO);
479 	struct stmpe *stmpe = dev_get_drvdata(dev->parent);
483 	if (stmpe->num_gpios > MAX_GPIOS) {
494 	stmpe_gpio->stmpe = stmpe;
496 	stmpe_gpio->chip.ngpio = stmpe->num_gpios;
505 	ret = stmpe_enable(stmpe, STMPE_BLOCK_GPIO);
509 	ret = devm_add_action_or_reset(dev, stmpe_gpio_disable, stmpe);
518 						IRQF_ONESHOT, "stmpe-gpio", stmpe_gpio);
540 		.name			= "stmpe-gpio",