From c0ee2b9824af342e183bfb3d8b838635da611719 Mon Sep 17 00:00:00 2001 From: libo Date: Wed, 8 May 2019 17:51:51 +0800 Subject: [PATCH] wifi: pull-down uart_cts_a pin for realtek bt [4/4] PD#SWPL-7373 Problem: realtek bt not work Solution: pull-down uart_cts_a pin Verify: ampere Change-Id: I14f57d28d081077d89c681e2ecc95a25f706c64c Signed-off-by: libo --- arch/arm/boot/dts/amlogic/mesongxl.dtsi | 7 ++++++- arch/arm64/boot/dts/amlogic/mesongxl.dtsi | 7 ++++++- 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/amlogic/mesongxl.dtsi b/arch/arm/boot/dts/amlogic/mesongxl.dtsi index e159aa6..82a9668 100644 --- a/arch/arm/boot/dts/amlogic/mesongxl.dtsi +++ b/arch/arm/boot/dts/amlogic/mesongxl.dtsi @@ -705,10 +705,15 @@ mux { groups = "uart_tx_a", "uart_rx_a", - "uart_cts_a", "uart_rts_a"; function = "uart_a"; }; + + mux1 { + groups = "uart_cts_a"; + function = "uart_a"; + bias-pull-down; + }; }; b_uart_pins:b_uart { diff --git a/arch/arm64/boot/dts/amlogic/mesongxl.dtsi b/arch/arm64/boot/dts/amlogic/mesongxl.dtsi index 8c1a639..9e911c5 100644 --- a/arch/arm64/boot/dts/amlogic/mesongxl.dtsi +++ b/arch/arm64/boot/dts/amlogic/mesongxl.dtsi @@ -692,10 +692,15 @@ mux { groups = "uart_tx_a", "uart_rx_a", - "uart_cts_a", "uart_rts_a"; function = "uart_a"; }; + + mux1 { + groups = "uart_cts_a"; + function = "uart_a"; + bias-pull-down; + }; }; b_uart_pins:b_uart { -- 2.7.4