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器件型号：AM62L主题中讨论的其他器件：TPS65214、 TPS65219、TPS65215
工具/软件：
您好、
我在设备树中启用了 tps65214、偶尔会遇到内核错误。 我禁用 tps65214 后、它停止发生。 我使用 DDR4 (1.2V)。
日志：
[ 1.846264] Key type dns_resolver registered [ 1.859590] registered taskstats version 1 [ 1.863938] Loading compiled-in X.509 certificates [ 1.941273] omap_i2c 2b200000.i2c: bus 0 rev0.12 at 400 kHz [ 1.948052] VDD_DDR4: Bringing 3300000uV into 1200000-1200000uV [ 1.974754] Unable to handle kernel paging request at virtual address fffffffffffffff8 [ 1.982914] Mem abort info: [ 1.985759] ESR = 0x0000000096000006 [ 1.989588] EC = 0x25: DABT (current EL), IL = 32 bits [ 1.995023] SET = 0, FnV = 0 [ 1.998144] EA = 0, S1PTW = 0 [ 2.001343] FSC = 0x06: level 2 translation fault [ 2.006323] Data abort info: [ 2.009255] ISV = 0, ISS = 0x00000006, ISS2 = 0x00000000 [ 2.014854] CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [ 2.020011] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [ 2.025434] swapper pgtable: 4k pages, 48-bit VAs, pgdp=000000008328b000 [ 2.032277] [fffffffffffffff8] pgd=0000000000000000, p4d=000000008369f003, pud=00000000836a0003, pmd=0000000000000000 [ 2.043131] Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP [ 2.049524] Modules linked in: [ 2.052640] CPU: 1 UID: 0 PID: 26 Comm: kdevtmpfs Not tainted 6.12.24-ti-00816-gf076b63502cc #1 [ 2.061516] Hardware name: MYIR MYD-YM62L Module (DT) [ 2.066663] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 2.073766] pc : mab_mas_cp+0x7c/0x1fc [ 2.077598] lr : mas_push_data+0x47c/0x800 [ 2.081777] sp : ffff80008192b5d0 [ 2.085152] x29: ffff80008192b5d0 x28: 0000000000000001 x27: ffff800080f42fc8 [ 2.092436] x26: ffff80008192b730 x25: 1fffe00000794b07 x24: 0000000000000019 [ 2.099722] x23: 0000000000000007 x22: ffff000003ca5800 x21: ffff80008192b850 [ 2.107007] x20: ffff80008192b6f0 x19: ffff80008192bc10 x18: 0000000000000000 [ 2.114292] x17: ffff0000044b16c0 x16: ffff000001104900 x15: ffff0000044b0d80 [ 2.121576] x14: ffff80008192b898 x13: 0000000000000008 x12: ffff80008192b778 [ 2.128863] x11: 000000000000000a x10: ffff80008192b850 x9 : 0000000000000000 [ 2.136147] x8 : 0000000000000008 x7 : ffff000003ca583c x6 : ffff00000404d300 [ 2.143432] x5 : 0000000000000009 x4 : 00000000ffffffff x3 : 0000000000000000 [ 2.150718] x2 : 0000000000000009 x1 : 0000000000000000 x0 : 0000000000000000 [ 2.158003] Call trace: [ 2.160492] mab_mas_cp+0x7c/0x1fc [ 2.163961] mas_push_data+0x47c/0x800 [ 2.167784] mas_wr_bnode+0x2ac/0xd94 [ 2.171519] mas_wr_store_entry+0x248/0x728 [ 2.175787] mas_alloc_cyclic+0x314/0x46c [ 2.179876] mtree_alloc_cyclic+0xa8/0x110 [ 2.184053] simple_offset_add+0x50/0xa8 [ 2.188058] shmem_mknod+0xac/0xf8 [ 2.191529] vfs_mknod+0x1b8/0x2a0 [ 2.194998] devtmpfs_work_loop+0xc0/0x260 [ 2.199178] devtmpfsd+0x44/0x48 [ 2.202468] kthread+0x110/0x114 [ 2.205760] ret_from_fork+0x10/0x20 [ 2.209411] Code: 38774b61 51000424 6b0100bf 1a82c108 (f864d922) [ 2.215625] ---[ end trace 0000000000000000 ]--- [ 2.220351] note: kdevtmpfs[26] exited with preempt_count 1
DTS：
&wkup_i2c0 {
clock-frequency = <400000>;
pinctrl-names = "default";
pinctrl-0 = <&wkup_i2c0_pins_default>;
status = "okay";
tps65214: pmic@30 {
compatible = "ti,tps65214";
reg = <0x30>;
interrupt-parent = <&gic500>;
interrupts = <GIC_SPI 224 IRQ_TYPE_LEVEL_HIGH>;
pinctrl-0 = <&pmic_irq_pins_default>;
ti,power-button;
buck1-supply = <&vmain_pd>;
buck2-supply = <&vmain_pd>;
buck3-supply = <&vmain_pd>;
ldo1-supply = <&vmain_pd>;
ldo2-supply = <&vmain_pd>;
regulators {
buck1_reg: buck1 {
regulator-name = "VDD_CORE";
regulator-min-microvolt = <750000>;
regulator-max-microvolt = <750000>;
regulator-always-on;
regulator-boot-on;
};
buck2_reg: buck2 {
regulator-name = "DVDD_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
buck3_reg: buck3 {
regulator-name = "VDD_DDR4";
regulator-min-microvolt = <1200000>;
regulator-max-microvolt = <1200000>;
regulator-always-on;
regulator-boot-on;
};
ldo1_reg: ldo1 {
regulator-name = "VDD_1V8";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
ldo2_reg: ldo2 {
regulator-name = "VDDA_2V5";
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2500000>;
regulator-always-on;
regulator-boot-on;
};
};
};
};
