[PATCH 04/11] imx: mx6ull/z_14x14_evk: clean up UART iomux

Peng Fan (OSS) peng.fan at oss.nxp.com
Mon Nov 7 09:00:09 CET 2022


From: Peng Fan <peng.fan at nxp.com>

After DM_SERIAL, and set pinctrl_uart1 as pre-reloc, no need initialize
iomux at board file.

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/dts/imx6ull-14x14-evk-u-boot.dtsi |  8 ++++++++
 arch/arm/dts/imx6ulz-14x14-evk-u-boot.dtsi |  8 ++++++++
 board/freescale/mx6ullevk/mx6ullevk.c      | 16 ----------------
 3 files changed, 16 insertions(+), 16 deletions(-)
 create mode 100644 arch/arm/dts/imx6ull-14x14-evk-u-boot.dtsi
 create mode 100644 arch/arm/dts/imx6ulz-14x14-evk-u-boot.dtsi

diff --git a/arch/arm/dts/imx6ull-14x14-evk-u-boot.dtsi b/arch/arm/dts/imx6ull-14x14-evk-u-boot.dtsi
new file mode 100644
index 00000000000..d283e815e6a
--- /dev/null
+++ b/arch/arm/dts/imx6ull-14x14-evk-u-boot.dtsi
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2022 NXP
+ */
+
+&pinctrl_uart1 {
+	u-boot,dm-pre-reloc;
+};
diff --git a/arch/arm/dts/imx6ulz-14x14-evk-u-boot.dtsi b/arch/arm/dts/imx6ulz-14x14-evk-u-boot.dtsi
new file mode 100644
index 00000000000..d283e815e6a
--- /dev/null
+++ b/arch/arm/dts/imx6ulz-14x14-evk-u-boot.dtsi
@@ -0,0 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2022 NXP
+ */
+
+&pinctrl_uart1 {
+	u-boot,dm-pre-reloc;
+};
diff --git a/board/freescale/mx6ullevk/mx6ullevk.c b/board/freescale/mx6ullevk/mx6ullevk.c
index 86c11c7bd3a..87bdbe51c6d 100644
--- a/board/freescale/mx6ullevk/mx6ullevk.c
+++ b/board/freescale/mx6ullevk/mx6ullevk.c
@@ -24,10 +24,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
-	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |		\
-	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
-
 int dram_init(void)
 {
 	gd->ram_size = imx_ddr_size();
@@ -35,16 +31,6 @@ int dram_init(void)
 	return 0;
 }
 
-static iomux_v3_cfg_t const uart1_pads[] = {
-	MX6_PAD_UART1_TX_DATA__UART1_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
-	MX6_PAD_UART1_RX_DATA__UART1_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
-};
-
-static void setup_iomux_uart(void)
-{
-	imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
-}
-
 int board_mmc_get_env_dev(int devno)
 {
 	return devno;
@@ -57,8 +43,6 @@ int mmc_map_to_kernel_blk(int devno)
 
 int board_early_init_f(void)
 {
-	setup_iomux_uart();
-
 	return 0;
 }
 
-- 
2.36.0



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