arm64: dts: exynos: Correct UART clocks on Exynos7885
authorDavid Virag <virag.david003@gmail.com>
Thu, 26 May 2022 05:58:40 +0000 (07:58 +0200)
committerKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Mon, 6 Jun 2022 08:37:14 +0000 (10:37 +0200)
The clocks in the serial UART nodes were swapped by mistake on
Exynos7885. This only worked correctly because of a mistake in the clock
driver which has been fixed. With the fixed clock driver in place, the
baudrate of the UARTs get miscalculated. Fix this by correcting the
clocks in the dtsi.

Fixes: 06874015327b ("arm64: dts: exynos: Add initial device tree support for Exynos7885 SoC")
Signed-off-by: David Virag <virag.david003@gmail.com>
Link: https://lore.kernel.org/r/20220526055840.45209-3-virag.david003@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
arch/arm64/boot/dts/exynos/exynos7885.dtsi

index 3170661f5b67258867e32aefca3c79276c225347..9c233c56558ce86fce37d1980cf7cc43f4c5cd5a 100644 (file)
                        interrupts = <GIC_SPI 246 IRQ_TYPE_LEVEL_HIGH>;
                        pinctrl-names = "default";
                        pinctrl-0 = <&uart0_bus>;
-                       clocks = <&cmu_peri CLK_GOUT_UART0_EXT_UCLK>,
-                                <&cmu_peri CLK_GOUT_UART0_PCLK>;
+                       clocks = <&cmu_peri CLK_GOUT_UART0_PCLK>,
+                                <&cmu_peri CLK_GOUT_UART0_EXT_UCLK>;
                        clock-names = "uart", "clk_uart_baud0";
                        samsung,uart-fifosize = <64>;
                        status = "disabled";
                        interrupts = <GIC_SPI 247 IRQ_TYPE_LEVEL_HIGH>;
                        pinctrl-names = "default";
                        pinctrl-0 = <&uart1_bus>;
-                       clocks = <&cmu_peri CLK_GOUT_UART1_EXT_UCLK>,
-                                <&cmu_peri CLK_GOUT_UART1_PCLK>;
+                       clocks = <&cmu_peri CLK_GOUT_UART1_PCLK>,
+                                <&cmu_peri CLK_GOUT_UART1_EXT_UCLK>;
                        clock-names = "uart", "clk_uart_baud0";
                        samsung,uart-fifosize = <256>;
                        status = "disabled";
                        interrupts = <GIC_SPI 279 IRQ_TYPE_LEVEL_HIGH>;
                        pinctrl-names = "default";
                        pinctrl-0 = <&uart2_bus>;
-                       clocks = <&cmu_peri CLK_GOUT_UART2_EXT_UCLK>,
-                                <&cmu_peri CLK_GOUT_UART2_PCLK>;
+                       clocks = <&cmu_peri CLK_GOUT_UART2_PCLK>,
+                                <&cmu_peri CLK_GOUT_UART2_EXT_UCLK>;
                        clock-names = "uart", "clk_uart_baud0";
                        samsung,uart-fifosize = <256>;
                        status = "disabled";