[PATCH v2 6/7] ARM: dts: samsung: exynosautov9: specify the SPI FIFO depth

Tudor Ambarus tudor.ambarus at linaro.org
Fri Feb 16 06:04:48 PST 2024


Up to now the SPI alias was used as an index into an array defined in
the SPI driver to determine the SPI FIFO depth. Drop the dependency on
the SPI alias and specify the SPI FIFO depth directly into the SPI node.

There are no SPI aliases defined, thus the FIFO depth was determined by
matching the FIFO depth of the I2C node of the same USI parent.
No functional change expected.

Signed-off-by: Tudor Ambarus <tudor.ambarus at linaro.org>
---
 arch/arm64/boot/dts/exynos/exynosautov9.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
index c871a2f49fda..0248329da49a 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
@@ -435,6 +435,7 @@ spi_0: spi at 10300000 {
 				num-cs = <1>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				fifo-depth = <256>;
 				status = "disabled";
 			};
 
@@ -526,6 +527,7 @@ spi_1: spi at 10320000 {
 				num-cs = <1>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				fifo-depth = <256>;
 				status = "disabled";
 			};
 
@@ -617,6 +619,7 @@ spi_2: spi at 10340000 {
 				num-cs = <1>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				fifo-depth = <64>;
 				status = "disabled";
 			};
 
@@ -708,6 +711,7 @@ spi_3: spi at 10360000 {
 				num-cs = <1>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				fifo-depth = <64>;
 				status = "disabled";
 			};
 
@@ -799,6 +803,7 @@ spi_4: spi at 10380000 {
 				num-cs = <1>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				fifo-depth = <64>;
 				status = "disabled";
 			};
 
@@ -890,6 +895,7 @@ spi_5: spi at 103a0000 {
 				num-cs = <1>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				fifo-depth = <64>;
 				status = "disabled";
 			};
 
@@ -981,6 +987,7 @@ spi_6: spi at 10900000 {
 				num-cs = <1>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				fifo-depth = <256>;
 				status = "disabled";
 			};
 
@@ -1072,6 +1079,7 @@ spi_7: spi at 10920000 {
 				num-cs = <1>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				fifo-depth = <64>;
 				status = "disabled";
 			};
 
@@ -1163,6 +1171,7 @@ spi_8: spi at 10940000 {
 				num-cs = <1>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				fifo-depth = <64>;
 				status = "disabled";
 			};
 
@@ -1254,6 +1263,7 @@ spi_9: spi at 10960000 {
 				num-cs = <1>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				fifo-depth = <64>;
 				status = "disabled";
 			};
 
@@ -1345,6 +1355,7 @@ spi_10: spi at 10980000 {
 				num-cs = <1>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				fifo-depth = <64>;
 				status = "disabled";
 			};
 
@@ -1434,6 +1445,7 @@ spi_11: spi at 109a0000 {
 				num-cs = <1>;
 				#address-cells = <1>;
 				#size-cells = <0>;
+				fifo-depth = <64>;
 				status = "disabled";
 			};
 
-- 
2.44.0.rc0.258.g7320e95886-goog




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