4  * SPDX-License-Identifier: Apache-2.0
41 	const struct spi_cc13xx_cc26xx_config *cfg = dev->config;  in spi_cc13xx_cc26xx_configure()
42 	struct spi_cc13xx_cc26xx_data *data = dev->data;  in spi_cc13xx_cc26xx_configure()
43 	struct spi_context *ctx = &data->ctx;  in spi_cc13xx_cc26xx_configure()
51 	if (config->operation & SPI_HALF_DUPLEX) {  in spi_cc13xx_cc26xx_configure()
52 		LOG_ERR("Half-duplex not supported");  in spi_cc13xx_cc26xx_configure()
53 		return -ENOTSUP;  in spi_cc13xx_cc26xx_configure()
56 	/* Slave mode has not been implemented */  in spi_cc13xx_cc26xx_configure()
57 	if (SPI_OP_MODE_GET(config->operation) != SPI_OP_MODE_MASTER) {  in spi_cc13xx_cc26xx_configure()
58 		LOG_ERR("Slave mode is not supported");  in spi_cc13xx_cc26xx_configure()
59 		return -ENOTSUP;  in spi_cc13xx_cc26xx_configure()
63 	if (SPI_WORD_SIZE_GET(config->operation) != 8) {  in spi_cc13xx_cc26xx_configure()
65 		return -ENOTSUP;  in spi_cc13xx_cc26xx_configure()
68 	if (config->operation & SPI_TRANSFER_LSB) {  in spi_cc13xx_cc26xx_configure()
69 		LOG_ERR("Transfer LSB first mode is not supported");  in spi_cc13xx_cc26xx_configure()
70 		return -EINVAL;  in spi_cc13xx_cc26xx_configure()
74 	    (config->operation & SPI_LINES_MASK) != SPI_LINES_SINGLE) {  in spi_cc13xx_cc26xx_configure()
76 		return -EINVAL;  in spi_cc13xx_cc26xx_configure()
79 	if (config->operation & SPI_CS_ACTIVE_HIGH && !spi_cs_is_gpio(config)) {  in spi_cc13xx_cc26xx_configure()
81 		return -EINVAL;  in spi_cc13xx_cc26xx_configure()
84 	if (config->frequency < 2000000) {  in spi_cc13xx_cc26xx_configure()
86 		return -EINVAL;  in spi_cc13xx_cc26xx_configure()
89 	if (2 * config->frequency > CPU_FREQ) {  in spi_cc13xx_cc26xx_configure()
90 		LOG_ERR("Frequency greater than supported in master mode");  in spi_cc13xx_cc26xx_configure()
91 		return -EINVAL;  in spi_cc13xx_cc26xx_configure()
94 	if (SPI_MODE_GET(config->operation) & SPI_MODE_CPOL) {  in spi_cc13xx_cc26xx_configure()
95 		if (SPI_MODE_GET(config->operation) & SPI_MODE_CPHA) {  in spi_cc13xx_cc26xx_configure()
101 		if (SPI_MODE_GET(config->operation) & SPI_MODE_CPHA) {  in spi_cc13xx_cc26xx_configure()
108 	ret = pinctrl_apply_state(cfg->pcfg, PINCTRL_STATE_DEFAULT);  in spi_cc13xx_cc26xx_configure()
114 	ctx->config = config;  in spi_cc13xx_cc26xx_configure()
117 	SSIDisable(cfg->base);  in spi_cc13xx_cc26xx_configure()
120 	SSIConfigSetExpClk(cfg->base, CPU_FREQ, prot,  in spi_cc13xx_cc26xx_configure()
121 			   SSI_MODE_MASTER, config->frequency, 8);  in spi_cc13xx_cc26xx_configure()
123 	if (SPI_MODE_GET(config->operation) & SPI_MODE_LOOP) {  in spi_cc13xx_cc26xx_configure()
124 		sys_set_bit(cfg->base + SSI_O_CR1, 0);  in spi_cc13xx_cc26xx_configure()
127 	/* Re-enable SSI after making configuration changes */  in spi_cc13xx_cc26xx_configure()
128 	SSIEnable(cfg->base);  in spi_cc13xx_cc26xx_configure()
138 	const struct spi_cc13xx_cc26xx_config *cfg = dev->config;  in spi_cc13xx_cc26xx_transceive()
139 	struct spi_cc13xx_cc26xx_data *data = dev->data;  in spi_cc13xx_cc26xx_transceive()
140 	struct spi_context *ctx = &data->ctx;  in spi_cc13xx_cc26xx_transceive()
158 			txd = *ctx->tx_buf;  in spi_cc13xx_cc26xx_transceive()
163 		SSIDataPut(cfg->base, txd);  in spi_cc13xx_cc26xx_transceive()
167 		SSIDataGet(cfg->base, &rxd);  in spi_cc13xx_cc26xx_transceive()
170 			*ctx->rx_buf = rxd;  in spi_cc13xx_cc26xx_transceive()
187 	const struct spi_cc13xx_cc26xx_config *cfg = dev->config;  in spi_cc13xx_cc26xx_release()
188 	struct spi_cc13xx_cc26xx_data *data = dev->data;  in spi_cc13xx_cc26xx_release()
189 	struct spi_context *ctx = &data->ctx;  in spi_cc13xx_cc26xx_release()
192 		return -EINVAL;  in spi_cc13xx_cc26xx_release()
195 	if (SSIBusy(cfg->base)) {  in spi_cc13xx_cc26xx_release()
196 		return -EBUSY;  in spi_cc13xx_cc26xx_release()
208 	const struct spi_cc13xx_cc26xx_config *config = dev->config;  in spi_cc13xx_cc26xx_pm_action()
212 		if (config->base == DT_INST_REG_ADDR(0)) {  in spi_cc13xx_cc26xx_pm_action()
219 		SSIDisable(config->base);  in spi_cc13xx_cc26xx_pm_action()
223 		if (config->base == DT_INST_REG_ADDR(0)) {  in spi_cc13xx_cc26xx_pm_action()
230 		return -ENOTSUP;  in spi_cc13xx_cc26xx_pm_action()
304 		struct spi_cc13xx_cc26xx_data *data = dev->data;		\
308 		err = spi_context_cs_configure_all(&data->ctx);			\
313 		spi_context_unlock_unconditionally(&data->ctx);			\