arm64: dts: exynosautov9: prepare usi0 changes

Before adding whole USI nodes, this applies the changes of usi0 in
advance. To be the usi0 and serian_0 nodes as SoC default, some
properties should be moved to exynosautov9-sadk.dts.

Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220701015226.32781-5-chanho61.park@samsung.com

diff --git a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
index 2b30a74..eec3192 100644 (file)
--- a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
+++ b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts
@@ -50,6 +50,7 @@
 };
 
 &serial_0 {
+       pinctrl-0 = <&uart0_bus_dual>;
        status = "okay";
 };
 
@@ -74,6 +75,7 @@
 };
 
 &usi_0 {
+       samsung,clkreq-on; /* needed for UART mode */
        status = "okay";
 };
 

diff --git a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
index c4cfa93..dbe0819 100644 (file)
--- a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi
@@ -352,11 +352,11 @@
                };
 
                usi_0: usi@103000c0 {
-                       compatible = "samsung,exynos850-usi";
+                       compatible = "samsung,exynosautov9-usi",
+                                    "samsung,exynos850-usi";
                        reg = <0x103000c0 0x20>;
                        samsung,sysreg = <&syscon_peric0 0x1000>;
                        samsung,mode = <USI_V2_UART>;
-                       samsung,clkreq-on; /* needed for UART mode */
                        #address-cells = <1>;
                        #size-cells = <1>;
                        ranges;
@@ -365,13 +365,13 @@
                        clock-names = "pclk", "ipclk";
                        status = "disabled";
 
-                       /* USI: UART */
                        serial_0: serial@10300000 {
-                               compatible = "samsung,exynos850-uart";
+                               compatible = "samsung,exynosautov9-uart",
+                                            "samsung,exynos850-uart";
                                reg = <0x10300000 0xc0>;
                                interrupts = <GIC_SPI 345 IRQ_TYPE_LEVEL_HIGH>;
                                pinctrl-names = "default";
-                               pinctrl-0 = <&uart0_bus_dual>;
+                               pinctrl-0 = <&uart0_bus>;
                                clocks = <&cmu_peric0 CLK_GOUT_PERIC0_PCLK_0>,
                                         <&cmu_peric0 CLK_GOUT_PERIC0_IPCLK_0>;
                                clock-names = "uart", "clk_uart_baud0";