Hi, Shane
I had done below modifications. But I don’t see too much difference in tegra_gpio
Modifications:
cd /home/jetson/Linux_for_Tegra/source/public
vi u-boot/board/nvidia/p3450-porg/pinmux-config-p3450-porg.h
static const struct tegra_gpio_config p3450_porg_gpio_inits = {
GPIO_INIT(B, 4, IN),
GPIO_INIT(B, 5, IN),
GPIO_INIT(B, 6, IN),
GPIO_INIT(B, 7, IN),
GPIO_INIT(DD, 0, IN),
GPIO_INIT(C, 0, IN),
GPIO_INIT(C, 1, IN),
GPIO_INIT(C, 2, IN),
GPIO_INIT(C, 3, IN),
GPIO_INIT(C, 4, IN),
Model: P3448 180-l3448-DAAA-B01
root@yisp-desktop:~# cat /proc/device-tree/nvidia,dtsfilename
/dvs/git/dirty/git-master_linux/kernel/kernel-4.9/arch/arm64/boot/dts/…/…/…/…/…/…/hardware/nvidia/platform/t210/porg/kernel-dts/tegra210-p3448-0002-p3449-0000-b00.dts
head -n 30 ./hardware/nvidia/platform/t210/porg/kernel-dts/tegra210-p3448-0002-p3449-0000-b00.dts
#include “tegra210-porg-p3448-common.dtsi”
#include “porg-platforms/tegra210-porg-pinmux-p3448-0002-b00.dtsi”
#include “porg-platforms/tegra210-porg-gpio-p3448-0002-b00.dtsi”
vi ./hardware/nvidia/platform/t210/porg/kernel-dts/porg-platforms/tegra210-porg-gpio-p3448-0002-b00.dtsi
gpio-input = <
TEGRA_GPIO(B, 4)
TEGRA_GPIO(B, 5)
TEGRA_GPIO(B, 6)
TEGRA_GPIO(B, 7)
TEGRA_GPIO(DD, 0)
TEGRA_GPIO(C, 0)
TEGRA_GPIO(C, 1)
TEGRA_GPIO(C, 2)
TEGRA_GPIO(C, 3)
TEGRA_GPIO(C, 4)
vi ./hardware/nvidia/platform/t210/porg/kernel-dts/porg-platforms/tegra210-porg-pinmux-p3448-0002-b00.dtsi
spi2_mosi_pb4 {
nvidia,pins = “spi2_mosi_pb4”;
- nvidia,function = “rsvd2”;
+ nvidia,function = “spi2”;
nvidia,pull = <TEGRA_PIN_PULL_DOWN>;
nvidia,tristate = <TEGRA_PIN_DISABLE>;
nvidia,enable-input = <TEGRA_PIN_ENABLE>;
};
spi2_miso_pb5 {
- nvidia,pins = “spi2_miso_pb5”;
+ nvidia,function = “spi2”;
spi2_sck_pb6 {
- nvidia,pins = “spi2_sck_pb6”;
+ nvidia,function = “spi2”;
spi2_cs0_pb7 {
- nvidia,pins = “spi2_cs0_pb7”;
+ nvidia,function = “spi2”;
spi2_cs1_pdd0 {
- nvidia,pins = “spi2_cs1_pdd0”;
+ nvidia,function = “spi2”;
spi1_mosi_pc0 {
- nvidia,pins = “spi1_mosi_pc0”;
+ nvidia,function = “spi1”;
spi1_miso_pc1 {
nvidia,pins = “spi1_miso_pc1”;
- nvidia,function = “rsvd1”;
+ nvidia,function = “spi1”;
spi1_sck_pc2 {
nvidia,pins = “spi1_sck_pc2”;
- nvidia,function = “rsvd1”;
+ nvidia,function = “spi1”;
spi1_cs0_pc3 {
nvidia,pins = “spi1_cs0_pc3”;
- nvidia,function = “rsvd1”;
+ nvidia,function = “spi1”;
spi1_cs1_pc4 {
nvidia,pins = “spi1_cs1_pc4”;
- nvidia,function = “rsvd1”;
+ nvidia,function = “spi1”;