47 static int lan9662_otp_power(struct lan9662_otp *otp, bool up)  in lan9662_otp_power()  argument
49 	void __iomem *pwrdn = OTP_OTP_PWR_DN(otp->base);  in lan9662_otp_power()
53 		if (lan9662_otp_wait_flag_clear(OTP_OTP_STATUS(otp->base),  in lan9662_otp_power()
63 static int lan9662_otp_execute(struct lan9662_otp *otp)  in lan9662_otp_execute()  argument
65 	if (lan9662_otp_wait_flag_clear(OTP_OTP_CMD_GO(otp->base),  in lan9662_otp_execute()
69 	if (lan9662_otp_wait_flag_clear(OTP_OTP_STATUS(otp->base),  in lan9662_otp_execute()
76 static void lan9662_otp_set_address(struct lan9662_otp *otp, u32 offset)  in lan9662_otp_set_address()  argument
78 	writel(0xff & (offset >> 8), OTP_OTP_ADDR_HI(otp->base));  in lan9662_otp_set_address()
79 	writel(0xff & offset, OTP_OTP_ADDR_LO(otp->base));  in lan9662_otp_set_address()
82 static int lan9662_otp_read_byte(struct lan9662_otp *otp, u32 offset, u8 *dst)  in lan9662_otp_read_byte()  argument
87 	lan9662_otp_set_address(otp, offset);  in lan9662_otp_read_byte()
88 	writel(OTP_OTP_FUNC_CMD_OTP_READ, OTP_OTP_FUNC_CMD(otp->base));  in lan9662_otp_read_byte()
89 	writel(OTP_OTP_CMD_GO_OTP_GO, OTP_OTP_CMD_GO(otp->base));  in lan9662_otp_read_byte()
90 	rc = lan9662_otp_execute(otp);  in lan9662_otp_read_byte()
92 		pass = readl(OTP_OTP_PASS_FAIL(otp->base));  in lan9662_otp_read_byte()
95 		*dst = (u8) readl(OTP_OTP_RD_DATA(otp->base));  in lan9662_otp_read_byte()
100 static int lan9662_otp_write_byte(struct lan9662_otp *otp, u32 offset, u8 data)  in lan9662_otp_write_byte()  argument
105 	lan9662_otp_set_address(otp, offset);  in lan9662_otp_write_byte()
106 	writel(OTP_OTP_PRGM_MODE_OTP_PGM_MODE_BYTE, OTP_OTP_PRGM_MODE(otp->base));  in lan9662_otp_write_byte()
107 	writel(data, OTP_OTP_PRGM_DATA(otp->base));  in lan9662_otp_write_byte()
108 	writel(OTP_OTP_FUNC_CMD_OTP_PROGRAM, OTP_OTP_FUNC_CMD(otp->base));  in lan9662_otp_write_byte()
109 	writel(OTP_OTP_CMD_GO_OTP_GO, OTP_OTP_CMD_GO(otp->base));  in lan9662_otp_write_byte()
111 	rc = lan9662_otp_execute(otp);  in lan9662_otp_write_byte()
113 		pass = readl(OTP_OTP_PASS_FAIL(otp->base));  in lan9662_otp_write_byte()
125 	struct lan9662_otp *otp = context;  in lan9662_otp_read()  local
130 	lan9662_otp_power(otp, true);  in lan9662_otp_read()
132 		rc = lan9662_otp_read_byte(otp, offset + i, &data);  in lan9662_otp_read()
137 	lan9662_otp_power(otp, false);  in lan9662_otp_read()
145 	struct lan9662_otp *otp = context;  in lan9662_otp_write()  local
150 	lan9662_otp_power(otp, true);  in lan9662_otp_write()
154 			rc = lan9662_otp_read_byte(otp, offset + i, &data);  in lan9662_otp_write()
162 			rc = lan9662_otp_write_byte(otp, offset + i,  in lan9662_otp_write()
168 	lan9662_otp_power(otp, false);  in lan9662_otp_write()
186 	struct lan9662_otp *otp;  in lan9662_otp_probe()  local
188 	otp = devm_kzalloc(&pdev->dev, sizeof(*otp), GFP_KERNEL);  in lan9662_otp_probe()
189 	if (!otp)  in lan9662_otp_probe()
192 	otp->dev = dev;  in lan9662_otp_probe()
193 	otp->base = devm_platform_ioremap_resource(pdev, 0);  in lan9662_otp_probe()
194 	if (IS_ERR(otp->base))  in lan9662_otp_probe()
195 		return PTR_ERR(otp->base);  in lan9662_otp_probe()
197 	otp_config.priv = otp;  in lan9662_otp_probe()