rk3568 rt uboot init

hc

2023-11-06 9df731a176aab8e03b984b681b1bea01ccff6644

 u-boot/drivers/spi/soft_spi.c
..
..
@@ -201,10 +201,8 @@
201
201
 static int soft_spi_ofdata_to_platdata(struct udevice *dev)
202
202
 {
203
203
 	struct soft_spi_platdata *plat = dev->platdata;
204
-	const void *blob = gd->fdt_blob;
205
-	int node = dev_of_offset(dev);
206
204
 
207
-	plat->spi_delay_us = fdtdec_get_int(blob, node, "spi-delay-us", 0);
205
+	plat->spi_delay_us = dev_read_u32_default(dev, "spi-delay-us", 0);
208
206
 
209
207
 	return 0;
210
208
 }
..
..
@@ -216,24 +214,34 @@
216
214
 	int cs_flags, clk_flags;
217
215
 	int ret;
218
216
 
219
-	cs_flags = (slave->mode & SPI_CS_HIGH) ? 0 : GPIOD_ACTIVE_LOW;
220
-	clk_flags = (slave->mode & SPI_CPOL) ? GPIOD_ACTIVE_LOW : 0;
217
+	if (slave) {
218
+		cs_flags = (slave->mode & SPI_CS_HIGH) ? 0 : GPIOD_ACTIVE_LOW;
219
+		clk_flags = (slave->mode & SPI_CPOL) ? GPIOD_ACTIVE_LOW : 0;
220
+	} else {
221
+		cs_flags = GPIOD_ACTIVE_LOW;
222
+		clk_flags = 0;
223
+	}
221
224
 
222
-	if (gpio_request_by_name(dev, "cs-gpios", 0, &plat->cs,
223
-				 GPIOD_IS_OUT | cs_flags) ||
224
-	    gpio_request_by_name(dev, "gpio-sck", 0, &plat->sclk,
225
-				 GPIOD_IS_OUT | clk_flags))
225
+	if (gpio_request_by_name(dev, "cs-gpios", 0, &plat->cs, GPIOD_IS_OUT | cs_flags) ||
226
+	    (gpio_request_by_name(dev, "gpio-sck", 0, &plat->sclk, GPIOD_IS_OUT | clk_flags) &&
227
+	     gpio_request_by_name(dev, "sck-gpios", 0, &plat->sclk, GPIOD_IS_OUT | clk_flags)))
226
228
 		return -EINVAL;
227
229
 
228
230
 	ret = gpio_request_by_name(dev, "gpio-mosi", 0, &plat->mosi,
229
231
 				   GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE);
230
-	if (ret)
231
-		plat->flags |= SPI_MASTER_NO_TX;
232
+	if (ret) {
233
+		if (gpio_request_by_name(dev, "mosi-gpios", 0, &plat->mosi,
234
+		    GPIOD_IS_OUT | GPIOD_IS_OUT_ACTIVE))
235
+			plat->flags |= SPI_MASTER_NO_TX;
236
+	}
232
237
 
233
238
 	ret = gpio_request_by_name(dev, "gpio-miso", 0, &plat->miso,
234
239
 				   GPIOD_IS_IN);
235
-	if (ret)
236
-		plat->flags |= SPI_MASTER_NO_RX;
240
+	if (ret) {
241
+		if (gpio_request_by_name(dev, "miso-gpios", 0, &plat->miso,
242
+		    GPIOD_IS_IN))
243
+			plat->flags |= SPI_MASTER_NO_RX;
244
+	}
237
245
 
238
246
 	if ((plat->flags & (SPI_MASTER_NO_RX | SPI_MASTER_NO_TX)) ==
239
247
 	    (SPI_MASTER_NO_RX | SPI_MASTER_NO_TX))