1 // SPDX-License-Identifier:     GPL-2.0+
5  * Rockchip SARADC driver for U-Boot
110 	if (channel != priv->active_channel) {  in rockchip_saradc_channel_data()
112 		return -EINVAL;  in rockchip_saradc_channel_data()
116 	writel(0x1, &priv->regs->end_int_st);  in rockchip_saradc_channel_data()
118 	*data = readl(&priv->regs->data0 + priv->active_channel);  in rockchip_saradc_channel_data()
119 	*data &= uc_pdata->data_mask;  in rockchip_saradc_channel_data()
129 	if (channel < 0 || channel >= priv->data->num_channels) {  in rockchip_saradc_start_channel()
131 		return -EINVAL;  in rockchip_saradc_start_channel()
135 	reset_assert(&priv->rst);  in rockchip_saradc_start_channel()
137 	reset_deassert(&priv->rst);  in rockchip_saradc_start_channel()
139 	writel(0x20, &priv->regs->t_pd_soc);  in rockchip_saradc_start_channel()
140 	writel(0xc, &priv->regs->t_das_soc);  in rockchip_saradc_start_channel()
142 	writel(val, &priv->regs->end_int_en);  in rockchip_saradc_start_channel()
144 	writel(val << 16 | val, &priv->regs->conv_con);  in rockchip_saradc_start_channel()
148 	priv->active_channel = channel;  in rockchip_saradc_start_channel()
157 	priv->active_channel = -1;  in rockchip_saradc_stop()
169 	ret = reset_get_by_name(dev, "saradc-apb", &priv->rst);  in rockchip_saradc_probe()
180 	ret = clk_set_rate(&clk, priv->data->clk_rate);  in rockchip_saradc_probe()
187 	priv->active_channel = -1;  in rockchip_saradc_probe()
199 	priv->regs = (struct rockchip_saradc_regs *)dev_read_addr(dev);  in rockchip_saradc_ofdata_to_platdata()
200 	if (priv->regs == (struct rockchip_saradc_regs *)FDT_ADDR_T_NONE) {  in rockchip_saradc_ofdata_to_platdata()
201 		pr_err("Dev: %s - can't get address!", dev->name);  in rockchip_saradc_ofdata_to_platdata()
202 		return -ENODATA;  in rockchip_saradc_ofdata_to_platdata()
205 	priv->data = data;  in rockchip_saradc_ofdata_to_platdata()
206 	uc_pdata->data_mask = (1 << priv->data->num_bits) - 1;  in rockchip_saradc_ofdata_to_platdata()
207 	uc_pdata->data_format = ADC_DATA_FORMAT_BIN;  in rockchip_saradc_ofdata_to_platdata()
208 	uc_pdata->data_timeout_us = SARADC_TIMEOUT / 5;  in rockchip_saradc_ofdata_to_platdata()
209 	uc_pdata->channel_mask = (1 << priv->data->num_channels) - 1;  in rockchip_saradc_ofdata_to_platdata()
240 		.compatible = "rockchip,rk3588-saradc",
244 		.compatible = "rockchip,rk3528-saradc",
248 		.compatible = "rockchip,rk3562-saradc",
252 		.compatible = "rockchip,rv1106-saradc",