msm8953
msm8953支持4路串口，编号uart2、uart4、uart5、uart6
基地址：
中断号：
dts配置如下;
xxx .dtsi
&blsp1_uart0 {//uart2
status = "ok";
pinctrl-names = "default";
pinctrl-0 = <&uart_console_active>;
};
&blsp1_uart4 {//uart4
status = "ok";
pinctrl-names = "default";
pinctrl-0 = <&uart4_console_active>;
};
&blsp2_uart5 {//uart5
status = "ok";
pinctrl-names = "default";
pinctrl-0 = <&uart5_console_active>;
};
&blsp2_uart6 {//uart6
status = "ok";
pinctrl-names = "default";
pinctrl-0 = <&uart6_console_active>;
};xxx-msm8953.dtsi
blsp1_uart0: serial@78af000 {//uart2
compatible = "qcom,msm-lsuart-v14";
reg = <0x78af000 0x200>;
interrupts = <0 107 0>;
status = "disabled";
clocks = <&clock_gcc clk_gcc_blsp1_uart1_APPs_clk>,
<&clock_gcc clk_gcc_blsp1_ahb_clk>;
clock-names = "core_clk", "iface_clk";
};
blsp1_uart4:serial@78b0000 {//uart4
compatible = "qcom,msm-lsuart-v14";
reg = <0x78b0000 0x200>;
interrupts = <0 108 0>;
status = "disabled";
clocks = <&clock_gcc clk_gcc_blsp1_uart2_apps_clk>,
<&clock_gcc clk_gcc_blsp1_ahb_clk>;
clock-names = "core_clk", "iface_clk";
};
blsp2_uart5:serial@7aef000 {//uart5
compatible = "qcom,msm-lsuart-v14";
reg = <0x7aef000 0x200>;
interrupts = <0 306 0>;
status = "disabled";
clocks = <&clock_gcc clk_gcc_blsp2_uart1_apps_clk>,
<&clock_gcc clk_gcc_blsp2_ahb_clk>;
clock-names = "core_clk","iface_clk";
};
blsp2_uart6:serial@7af0000 {//uart6
compatible = "qcom,msm-lsuart-v14";
reg = <0x7af0000 0x200>;
interrupts = <0 307 0>;
status = "disabled";
clocks = <&clock_gcc clk_gcc_blsp2_uart2_apps_clk>,
<&clock_gcc clk_gcc_blsp2_ahb_clk>;
clock-names = "core_clk","iface_clk";
};xxx-msm8953-pinctrl.dtsi
pmx-uartconsole {//uart2
uart_console_active: uart_console_active {
mux {
pins = "gpio4", "gpio5";
function = "blsp_uart2";
};
config {
pins = "gpio4", "gpio5";
drive-strength = <2>;
bias-disable;
};
};
uart_console_sleep: uart_console_sleep {
mux {
pins = "gpio4", "gpio5";
function = "blsp_uart2";
};
config {
pins = "gpio4", "gpio5";
drive-strength = <2>;
bias-pull-down;
};
};
};
pmx-uart4console {//uart4
uart4_console_active: uart4_console_active {
mux {
pins = "gpio12","gpio13";
function = "blsp_uart4";
};
config {
pins = "gpio12","gpio13";
drive-strength = <2>;
bias-disable;
};
};
uart4_console_sleep: uart4_console_sleep {
mux {
pins = "gpio12","gpio13";
function = "blsp_uart4";
};
config {
pins = "gpio12","gpio13";
drive-strength = <2>;
bias-pull-down;
};
};
};
pmx-uart5console {//uart5
uart5_console_active: uart_console_active {
mux {
pins = "gpio16","gpio17";
function = "blsp_uart5";
};
config {
pins = "gpio16","gpio17";
drive-strength = <2>;
bias-disable;
};
};
uart5_console_sleep: uart5_console_sleep {
mux {
pins = "gpio16","gpio17";
function = "blsp_uart5";
};
config {
pins = "gpio16","gpio17";
drive-strength = <2>;
bias-disable;
};
};
};
pmx-uart6console {//uart6
uart6_console_active: uart_console_active {
mux {
pins = "gpio20","gpio21";
function = "blsp_uart6";
};
config {
pins = "gpio20","gpio21";
drive-strength = <2>;
bias-disable;
};
};
uart6_console_sleep: uart6_console_sleep {
mux {
pins = "gpio20","gpio21";
function = "blsp_uart6";
};
config {
pins = "gpio20","gpio21";
drive-strength = <2>;
bias-disable;
};
};
};
文章最后发布于: 2017-11-30 10:09:55
相关阅读
sc20_gpio.c ``` #include <linux/kernel.h> #include <linux/init.h> #include <linux/module.h> #include <linux/fs.h> #inc
高通平台LCD驱动移植简述 一：背光配置 二：LK部分配置 三：Kernel部分配置 一：背光配置 ： 分为boot 和 kernel 两部分 高通LCD背光： 有
https://blog.csdn.net/xuecz1230/article/details/78672662 msm8953支持4路串口，编号uart2、uart4、uart5、uart6 基地址： 中断号
高通MSM8953即骁龙625，是高通首款采用14nm制程打造的八核心处理器，在为高端智能手机带来优质用户体验的同时，避免了电量的大幅损耗。
高通625系列-MSM8953 (Cortex-A53架构)
核心板特性A53架构 8核（8*2.2GHz(A53)） 产品尺寸小，便于客户集成，减少产品体积；支持4G LTE超高速上网，单板兼容移动/联通/电信2G/3G/4G；