84 struct p2wi {  struct
96 	struct p2wi *p2wi = dev_id;  in p2wi_interrupt()  argument
99 	status = readl(p2wi->regs + P2WI_INTS);  in p2wi_interrupt()
100 	p2wi->status = status;  in p2wi_interrupt()
105 	writel(status, p2wi->regs + P2WI_INTS);  in p2wi_interrupt()
107 	complete(&p2wi->complete);  in p2wi_interrupt()
121 	struct p2wi *p2wi = i2c_get_adapdata(adap);  in p2wi_smbus_xfer()  local
124 	if (p2wi->slave_addr >= 0 && addr != p2wi->slave_addr) {  in p2wi_smbus_xfer()
132 	writel(command, p2wi->regs + P2WI_DADDR0);  in p2wi_smbus_xfer()
137 		writel(data->byte, p2wi->regs + P2WI_DATA0);  in p2wi_smbus_xfer()
139 	writel(dlen, p2wi->regs + P2WI_DLEN);  in p2wi_smbus_xfer()
141 	if (readl(p2wi->regs + P2WI_CTRL) & P2WI_CTRL_START_TRANS) {  in p2wi_smbus_xfer()
146 	reinit_completion(&p2wi->complete);  in p2wi_smbus_xfer()
149 	       p2wi->regs + P2WI_INTE);  in p2wi_smbus_xfer()
152 	       p2wi->regs + P2WI_CTRL);  in p2wi_smbus_xfer()
154 	wait_for_completion(&p2wi->complete);  in p2wi_smbus_xfer()
156 	if (p2wi->status & P2WI_INTS_LOAD_BSY) {  in p2wi_smbus_xfer()
161 	if (p2wi->status & P2WI_INTS_TRANS_ERR) {  in p2wi_smbus_xfer()
167 		data->byte = readl(p2wi->regs + P2WI_DATA0);  in p2wi_smbus_xfer()
191 	struct p2wi *p2wi;  in p2wi_probe()  local
210 	p2wi = devm_kzalloc(dev, sizeof(struct p2wi), GFP_KERNEL);  in p2wi_probe()
211 	if (!p2wi)  in p2wi_probe()
214 	p2wi->slave_addr = -1;  in p2wi_probe()
231 		p2wi->slave_addr = slave_addr;  in p2wi_probe()
235 	p2wi->regs = devm_ioremap_resource(dev, r);  in p2wi_probe()
236 	if (IS_ERR(p2wi->regs))  in p2wi_probe()
237 		return PTR_ERR(p2wi->regs);  in p2wi_probe()
239 	strlcpy(p2wi->adapter.name, pdev->name, sizeof(p2wi->adapter.name));  in p2wi_probe()
246 	p2wi->clk = devm_clk_get(dev, NULL);  in p2wi_probe()
247 	if (IS_ERR(p2wi->clk)) {  in p2wi_probe()
248 		ret = PTR_ERR(p2wi->clk);  in p2wi_probe()
253 	ret = clk_prepare_enable(p2wi->clk);  in p2wi_probe()
259 	parent_clk_freq = clk_get_rate(p2wi->clk);  in p2wi_probe()
261 	p2wi->rstc = devm_reset_control_get_exclusive(dev, NULL);  in p2wi_probe()
262 	if (IS_ERR(p2wi->rstc)) {  in p2wi_probe()
263 		ret = PTR_ERR(p2wi->rstc);  in p2wi_probe()
268 	ret = reset_control_deassert(p2wi->rstc);  in p2wi_probe()
274 	init_completion(&p2wi->complete);  in p2wi_probe()
275 	p2wi->adapter.dev.parent = dev;  in p2wi_probe()
276 	p2wi->adapter.algo = &p2wi_algo;  in p2wi_probe()
277 	p2wi->adapter.owner = THIS_MODULE;  in p2wi_probe()
278 	p2wi->adapter.dev.of_node = pdev->dev.of_node;  in p2wi_probe()
279 	platform_set_drvdata(pdev, p2wi);  in p2wi_probe()
280 	i2c_set_adapdata(&p2wi->adapter, p2wi);  in p2wi_probe()
282 	ret = devm_request_irq(dev, irq, p2wi_interrupt, 0, pdev->name, p2wi);  in p2wi_probe()
289 	writel(P2WI_CTRL_SOFT_RST, p2wi->regs + P2WI_CTRL);  in p2wi_probe()
305 	       p2wi->regs + P2WI_CCR);  in p2wi_probe()
307 	ret = i2c_add_adapter(&p2wi->adapter);  in p2wi_probe()
312 	reset_control_assert(p2wi->rstc);  in p2wi_probe()
315 	clk_disable_unprepare(p2wi->clk);  in p2wi_probe()
322 	struct p2wi *p2wi = platform_get_drvdata(dev);  in p2wi_remove()  local
324 	reset_control_assert(p2wi->rstc);  in p2wi_remove()
325 	clk_disable_unprepare(p2wi->clk);  in p2wi_remove()
326 	i2c_del_adapter(&p2wi->adapter);  in p2wi_remove()