Thanks
Would be great if the kernel and u-boot patch can be merged.
Just check the 2 ‘uboot-set’ values, what they must be, since I don’t know difference between vcc & vdd 3v0?
* OTHER DEALINGS IN THE SOFTWARE.
*/
+ #include <dt-bindings/soc/rockchip-io-domain.h>
&io_domains {
status = "okay";
/*
+ * If the uboot use rkdevelop branch, the io-domain is not set
+ * during uboot phase, it will cause the io voltage is not suit for
+ * the hardware,maybe will damage the io of rk3399, so we add
+ * uboot-set value to make sure the value is same with the kernel,
+ * ofcause you must make sure firstly the value here is suit for your
+ * hardware. The available value is defined in
+ * include/dt-bindings/soc/rockchip-io-domain.h, they are
+ * also list here for more convenient configuration:
+ * bt656-supply: RK3399_BT656_VDD_1V8 or RK3399_BT656_VDD_3V3
+ * audio-supply: RK3399_AUDIO_VDD_1V8 or RK3399_AUDIO_VDD_3V3
+ * gpio1830-supply: RK3399_GPIO1833_VDD_1V8 or RK3399_GPIO1833_VDD_3V3
+ * sdmmc-supply: don't need to configure because the voltage
+ * is set in source code during runtime.
+ * NOTE:
+ * 1. The value in uboot-set must be enclosed in "()", otherwise will
+ * cause compile error.
+ * 2. The uboot-set configuration must be cooperated with submit
+ * in u-boot.
+ */
+ uboot-set = <(RK3399_BT656_VDD_3V0 | RK3399_AUDIO_VDD_3V0 |
+ RK3399_GPIO1833_VDD_3V0)>;
bt656-supply = <&vcc_3v0>; /* bt656_gpio2ab_ms */
audio-supply = <&vcc_3v0>; /* audio_gpio3d4a_ms */
sdmmc-supply = <&vcc_sd>; /* sdmmc_gpio4b_ms */
gpio1830-supply = <&vcc_3v0>; /* gpio1833_gpio4cd_ms */
&pmu_io_domains {
status = "okay";
+ /*
+ * If the uboot use rkdevelop branch, the pmu_io_domain is not set
+ * during uboot phase, it will cause the io voltage is not suit for
+ * the hardware,maybe will damage the io of rk3399, so we add
+ * uboot-set value to make sure the value is same with the kernel,
+ * ofcause you must make sure firstly the value here is suit for your
+ * hardware. The available value is defined in
+ * include/dt-bindings/soc/rockchip-io-domain.h, they are
+ * also list here for more convenient configuration:
+ * pmu1830-supply: RK3399_PMU1830_VDD_1V8 or RK3399_PMU1830_VDD_3V0
+ */
+ uboot-set = <RK3399_PMU1830_VDD_3V0>;
pmu1830-supply = <&vcc_3v0>;
};
