linux-kernel - [PATCH 3/7] ARM: dts: samsung: exynos4: specify the SPI fifosize

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Message-ID: <20240125151630.753318-4-tudor.ambarus@linaro.org>
Date: Thu, 25 Jan 2024 15:16:26 +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 3/7] ARM: dts: samsung: exynos4: 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/exynos4.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/boot/dts/samsung/exynos4.dtsi b/arch/arm/boot/dts/samsung/exynos4.dtsi
index 7f981b5c0d64..10967063727c 100644
--- a/arch/arm/boot/dts/samsung/exynos4.dtsi
+++ b/arch/arm/boot/dts/samsung/exynos4.dtsi
@@ -621,6 +621,7 @@ spi_0: spi@...20000 {
 			clock-names = "spi", "spi_busclk0";
 			pinctrl-names = "default";
 			pinctrl-0 = <&spi0_bus>;
+			samsung,spi-fifosize = <256>;
 			status = "disabled";
 		};
 
@@ -636,6 +637,7 @@ spi_1: spi@...30000 {
 			clock-names = "spi", "spi_busclk0";
 			pinctrl-names = "default";
 			pinctrl-0 = <&spi1_bus>;
+			samsung,spi-fifosize = <64>;
 			status = "disabled";
 		};
 
@@ -651,6 +653,7 @@ spi_2: spi@...40000 {
 			clock-names = "spi", "spi_busclk0";
 			pinctrl-names = "default";
 			pinctrl-0 = <&spi2_bus>;
+			samsung,spi-fifosize = <64>;
 			status = "disabled";
 		};
 
-- 
2.43.0.429.g432eaa2c6b-goog