rk3568 rt init

hc

2023-11-06 e3e12f52b214121840b44c91de5b3e5af5d3eb84

 kernel/arch/arm/boot/dts/rk312x.dtsi
..
..
@@ -1292,10 +1292,6 @@
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 			bias-pull-pin-default;
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 		};
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-		pcfg_pull_up: pcfg-pull-up {
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-			bias-pull-up;
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-		};
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-
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 		pcfg_output_high: pcfg-output-high {
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 			output-high;
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 		};
..
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@@ -1420,8 +1416,8 @@
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 		uart0 {
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 			uart0_xfer: uart0-xfer {
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-				rockchip,pins = <2 RK_PD2 2 &pcfg_pull_up>,
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-						<2 RK_PD3 2 &pcfg_pull_up>;
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+				rockchip,pins = <2 RK_PD2 2 &pcfg_pull_default>,
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+						<2 RK_PD3 2 &pcfg_pull_none>;
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 			};
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 			uart0_cts: uart0-cts {
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@@ -1435,8 +1431,8 @@
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 		uart1 {
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 			uart1_xfer: uart1-xfer {
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-				rockchip,pins = <1 RK_PB1 2 &pcfg_pull_up>,
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-						<1 RK_PB2 2 &pcfg_pull_up>;
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+				rockchip,pins = <1 RK_PB1 2 &pcfg_pull_default>,
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+						<1 RK_PB2 2 &pcfg_pull_default>;
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 			};
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 			uart1_cts: uart1-cts {
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@@ -1450,8 +1446,8 @@
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 		uart2 {
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 			uart2_xfer: uart2-xfer {
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-				rockchip,pins = <1 RK_PC2 2 &pcfg_pull_up>,
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-						<1 RK_PC3 2 &pcfg_pull_up>;
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+				rockchip,pins = <1 RK_PC2 2 &pcfg_pull_default>,
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+						<1 RK_PC3 2 &pcfg_pull_none>;
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 			};
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 			uart2_cts: uart2-cts {