linux-kernel - [PATCH 5/7] ARM: dts: samsung: exynos5450: specify the SPI fifosize

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Date: Thu, 25 Jan 2024 15:16:28 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: krzysztof.kozlowski+dt@...aro.org,
	broonie@...nel.org
Cc: robh+dt@...nel.org,
	conor+dt@...nel.org,
	alim.akhtar@...sung.com,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-spi@...r.kernel.org,
	andre.draszik@...aro.org,
	peter.griffin@...aro.org,
	semen.protsenko@...aro.org,
	kernel-team@...roid.com,
	willmcvicker@...gle.com,
	Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH 5/7] ARM: dts: samsung: exynos5450: specify the SPI fifosize

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

Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
 arch/arm/boot/dts/samsung/exynos5420.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/boot/dts/samsung/exynos5420.dtsi b/arch/arm/boot/dts/samsung/exynos5420.dtsi
index 25ed90374679..e22692063aa9 100644
--- a/arch/arm/boot/dts/samsung/exynos5420.dtsi
+++ b/arch/arm/boot/dts/samsung/exynos5420.dtsi
@@ -658,6 +658,7 @@ spi_0: spi@...20000 {
 			pinctrl-0 = <&spi0_bus>;
 			clocks = <&clock CLK_SPI0>, <&clock CLK_SCLK_SPI0>;
 			clock-names = "spi", "spi_busclk0";
+			samsung,spi-fifosize = <256>;
 			status = "disabled";
 		};
 
@@ -674,6 +675,7 @@ spi_1: spi@...30000 {
 			pinctrl-0 = <&spi1_bus>;
 			clocks = <&clock CLK_SPI1>, <&clock CLK_SCLK_SPI1>;
 			clock-names = "spi", "spi_busclk0";
+			samsung,spi-fifosize = <64>;
 			status = "disabled";
 		};
 
@@ -690,6 +692,7 @@ spi_2: spi@...40000 {
 			pinctrl-0 = <&spi2_bus>;
 			clocks = <&clock CLK_SPI2>, <&clock CLK_SCLK_SPI2>;
 			clock-names = "spi", "spi_busclk0";
+			samsung,spi-fifosize = <64>;
 			status = "disabled";
 		};
 
-- 
2.43.0.429.g432eaa2c6b-goog