From: festevam@gmail.com (Fabio Estevam)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC] ARM: dts: imx27-pdk: Add PMIC support
Date: Tue, 15 Apr 2014 18:07:07 -0300 [thread overview]
Message-ID: <1397596027-14301-1-git-send-email-festevam@gmail.com> (raw)
From: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
Hi,
I am sending it as RFC because I am getting the warning below.
Booting the non-dt kernel does not cause this warning.
Appreciate any comments/suggestions.
Thanks
1000a000.serial: ttymxc0 at MMIO 0x1000a000 (irq = 36, base_baud = 831250) is aX
console [ttymxc0] enabled
mc13xxx spi0.0: mc13783: rev: 3.7, fin: 3, fab: 3, icid: 7/63
Unable to handle kernel NULL pointer dereference at virtual address 00000000
pgd = c0004000
[00000000] *pgd=00000000
Internal error: Oops: 805 [#1] PREEMPT ARM
Modules linked in:
CPU: 0 PID: 394 Comm: irq/158-mc13xxx Not tainted 3.15.0-rc1-26320-g1e9dfe2-dir4
task: c789b120 ti: c7a62000 task.ti: c7a62000
PC is at __mutex_lock_slowpath+0x64/0x138
LR is at __mutex_lock_slowpath+0x2c/0x138
pc : [<c04bf2e8>] lr : [<c04bf2b0>] psr: a0000013
sp : c7a63ef8 ip : 00000000 fp : 00000000
r10: c7a1ee20 r9 : 00000000 r8 : ffffffff
r7 : c7922780 r6 : c789b120 r5 : c7a62000 r4 : c7a1ee1c
r3 : 00000000 r2 : c7a63efc r1 : ffffffff r0 : 00000001
Flags: NzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 0005317f Table: a0004000 DAC: 00000017
Process irq/158-mc13xxx (pid: 394, stack limit = 0xc7a621c0)
Stack: (0xc7a63ef8 to 0xc7a64000)
3ee0: c7a63f14 c7a1ee20
3f00: 00000000 c7829aa0 20000093 c7a1ee10 c7a62000 c7922780 c7922780 c0051398
3f20: c06c6100 c02cf9a0 c789b120 c793dc40 c7a62000 c00513b4 c793dc40 c7a62000
3f40: 00000001 c0051148 00000000 c00512d8 00000000 c7a23e20 00000000 c793dc40
3f60: c0051064 00000000 00000000 c003627c 00000000 00000000 00000000 c793dc40
3f80: 00000000 c7a63f84 c7a63f84 00000000 c7a63f90 c7a63f90 c7a63fac c7a23e20
3fa0: c00361c8 00000000 00000000 c00095b0 00000000 00000000 00000000 00000000
3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 007f00ff 04df08ff
[<c04bf2e8>] (__mutex_lock_slowpath) from [<c02cf9a0>] (mc13xxx_irq_thread+0x10)
[<c02cf9a0>] (mc13xxx_irq_thread) from [<c00513b4>] (irq_thread_fn+0x1c/0x34)
[<c00513b4>] (irq_thread_fn) from [<c0051148>] (irq_thread+0xe4/0x124)
[<c0051148>] (irq_thread) from [<c003627c>] (kthread+0xb4/0xd0)
[<c003627c>] (kthread) from [<c00095b0>] (ret_from_fork+0x14/0x24)
Code: e58d3008 e58da004 e5842008 e3e08000 (e5832000)
---[ end trace 800418a9e658bcb2 ]---
note: irq/158-mc13xxx[394] exited with preempt_count 2
Unable to handle kernel paging request at virtual address fffffff0
pgd = c0004000
[fffffff0] *pgd=a7ffd831, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#2] PREEMPT ARM
Modules linked in:
CPU: 0 PID: 394 Comm: irq/158-mc13xxx Tainted: G D 3.15.0-rc1-26320-4
task: c789b120 ti: c7a62000 task.ti: c7a62000
PC is at kthread_data+0x4/0xc
LR is at irq_thread_dtor+0x28/0xc0
pc : [<c00367ac>] lr : [<c0051300>] psr: 20000013
sp : c7a63ca0 ip : c7a63f84 fp : c7a62000
r10: c7a63d4a r9 : c04bf2ea r8 : c7a62000
r7 : 00000000 r6 : c07092fc r5 : c789b120 r4 : 00000000
r3 : 00000000 r2 : c7a63ca0 r1 : a0000013 r0 : c789b120
Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 0005317f Table: a0004000 DAC: 00000015
Process irq/158-mc13xxx (pid: 394, stack limit = 0xc7a621c0)
Stack: (0xc7a63ca0 to 0xc7a64000)
3ca0: c7a63f48 00000000 c789b120 c00335bc 0000000b c7a62000 c789b120 c001a8fc
3cc0: c04bf2ea 00000001 c7a62000 c04ba5fc c05bb664 c06d09d0 c06c92e0 c07073a4
3ce0: c7a62000 c06c92e0 60000013 0000000b c04bf2ea c7a63d4a c7a62000 c000bedc
3d00: c7a621c0 0000000b 00000000 00000000 00000008 00000000 65000000 33643835
3d20: 20383030 64383565 34303061 38356520 30303234 33652038 30383065 28203030
3d40: 33383565 30303032 00002029 c04ba5fc c05f58b8 00000000 00000805 00000000
3d60: c7a63eb0 00000000 00000000 c789b120 00000000 c04b9f0c 00000000 c04c2138
3d80: c754c714 c00e590c c06d0dc8 c06d0dc8 c754c758 60000053 c06d10c0 c0058904
3da0: c7a63ea8 c00e27ac c754c6e8 c754c6e8 c7a63ebb c7a63ec8 c7a62000 c00e4358
3dc0: 00000002 0000000a 00000003 ffffffff 00000000 00000000 00000000 00000000
3de0: c7a63e08 3530fffe c7a63e33 00000805 00000005 c06c9e8c 00000000 c7a63eb0
3e00: 00000000 c7a1ee20 00000000 c00085e0 00000001 c788b8e0 c06d0dc8 c06d0dc8
3e20: c787c520 60000053 c06d10c0 c7a63ebb c0610f88 00018ed9 00000000 22fe30c3
3e40: 00000000 c78a3b70 00000020 c0251434 00000002 00000001 c78a3b70 c06cf998
3e60: 00000000 ffffffff c7a64000 00000002 00000000 c04c23a8 00000000 00000001
3e80: 000033fd 00000000 c06cf998 c0044664 c04c95b8 c06cf998 c04bf2e8 a0000013
3ea0: ffffffff c7a63ee4 ffffffff c04c07b4 00000001 ffffffff c7a63efc 00000000
3ec0: c7a1ee1c c7a62000 c789b120 c7922780 ffffffff 00000000 c7a1ee20 00000000
3ee0: 00000000 c7a63ef8 c04bf2b0 c04bf2e8 a0000013 ffffffff c7a63f14 c7a1ee20
3f00: 00000000 c7829aa0 20000093 c7a1ee10 c7a62000 c7922780 c7922780 c0051398
3f20: c06c6100 c02cf9a0 c789b120 c793dc40 c7a62000 c00513b4 c793dc40 c7a62000
3f40: 00000001 c0051148 00000000 c00512d8 00000000 c7a23e20 00000000 c793dc40
3f60: c0051064 00000000 00000000 c003627c 00000000 00000000 00000000 c793dc40
3f80: 00000000 c7a63f84 c7a63f84 00000001 c7a63f90 c7a63f90 c7a63fac c7a23e20
3fa0: c00361c8 00000000 00000000 c00095b0 00000000 00000000 00000000 00000000
3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 007f00ff 04df08ff
[<c00367ac>] (kthread_data) from [<c0051300>] (irq_thread_dtor+0x28/0xc0)
[<c0051300>] (irq_thread_dtor) from [<c00335bc>] (task_work_run+0xa0/0xb4)
[<c00335bc>] (task_work_run) from [<c001a8fc>] (do_exit+0x260/0x93c)
[<c001a8fc>] (do_exit) from [<c000bedc>] (die+0x158/0x34c)
[<c000bedc>] (die) from [<c04b9f0c>] (__do_kernel_fault.part.9+0x54/0x74)
[<c04b9f0c>] (__do_kernel_fault.part.9) from [<c04c2138>] (do_page_fault+0x348/)
[<c04c2138>] (do_page_fault) from [<c00085e0>] (do_DataAbort+0x34/0x98)
[<c00085e0>] (do_DataAbort) from [<c04c07b4>] (__dabt_svc+0x34/0x40)
Exception stack(0xc7a63eb0 to 0xc7a63ef8)
3ea0: 00000001 ffffffff c7a63efc 00000000
3ec0: c7a1ee1c c7a62000 c789b120 c7922780 ffffffff 00000000 c7a1ee20 00000000
3ee0: 00000000 c7a63ef8 c04bf2b0 c04bf2e8 a0000013 ffffffff
[<c04c07b4>] (__dabt_svc) from [<c04bf2e8>] (__mutex_lock_slowpath+0x64/0x138)
[<c04bf2e8>] (__mutex_lock_slowpath) from [<c02cf9a0>] (mc13xxx_irq_thread+0x10)
[<c02cf9a0>] (mc13xxx_irq_thread) from [<c00513b4>] (irq_thread_fn+0x1c/0x34)
[<c00513b4>] (irq_thread_fn) from [<c0051148>] (irq_thread+0xe4/0x124)
[<c0051148>] (irq_thread) from [<c003627c>] (kthread+0xb4/0xd0)
[<c003627c>] (kthread) from [<c00095b0>] (ret_from_fork+0x14/0x24)
Code: e1a00120 e2000001 e12fff1e e59031d8 (e5130010)
---[ end trace 800418a9e658bcb3 ]---
Fixing recursive fault but reboot is needed!
note: irq/158-mc13xxx[394] exited with preempt_count 2
Unable to handle kernel NULL pointer dereference at virtual address 00000008
pgd = c0004000
[00000008] *pgd=00000000
Internal error: Oops: 5 [#3] PREEMPT ARM
Modules linked in:
CPU: 0 PID: 394 Comm: irq/158-mc13xxx Tainted: G D 3.15.0-rc1-26320-4
task: c789b120 ti: c7a62000 task.ti: c7a62000
PC is at exit_shm+0x8/0x54
LR is at do_exit+0x238/0x93c
pc : [<c0223074>] lr : [<c001a8d4>] psr: 60000013
sp : c7a63a58 ip : 00000032 fp : c7a62000
r10: c7a63af2 r9 : c00367ae r8 : c7a62000
r7 : 00000000 r6 : c789b120 r5 : c7a62000 r4 : 0000000b
r3 : 00000000 r2 : 00000000 r1 : 00000000 r0 : c789b120
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user
Control: 0005317f Table: a0004000 DAC: 00000015
Process irq/158-mc13xxx (pid: 394, stack limit = 0xc7a621c0)
Stack: (0xc7a63a58 to 0xc7a64000)
3a40: c07050b0 0000000b
3a60: c7a62000 c001a8d4 c00367ae 00000000 c7a62000 c04ba5fc c05bb664 c06d09d0
3a80: 0000000b c07073a4 c7a62000 c06c92e0 60000013 0000000b c00367ae c7a63af2
3aa0: c7a62000 c000bedc c7a621c0 0000000b 00000000 00000000 00000008 bf000000
3ac0: 65000000 30306131 20303231 30303265 31303030 32316520 31666666 35652065
3ae0: 31333039 28203864 33313565 30313030 c7002029 c04ba5fc c05f58b8 fffffff0
3b00: 00000017 00000000 c7a63c58 00000000 c04bf2ea c789b120 c7a62000 c04b9f0c
3b20: fffffff0 c04c2138 c06ce5b0 c0707f60 c0707f60 00000002 c06ce5b8 c0024614
3b40: c06ca440 c7a63b50 c0708774 c0708974 c7a63b50 c7a63b50 00000000 00000001
3b60: 00000002 00000002 c0707e24 00000001 00000102 00000001 60000013 c001cfe0
3b80: 00000037 c7805500 c780c6a0 00000004 00000000 00000017 00000007 c06c9eac
3ba0: fffffff0 c7a63c58 c04bf2ea c7a63d4a c7a62000 c00085e0 0000002a c06de398
3bc0: 0000002a 00000000 c7a63bf8 c0009df4 f4440000 c070794c c7a63bf8 0000ffff
3be0: c7a63c2c c0008710 c004e804 20000013 ffffffff c04c07f4 00000002 c7a62000
3c00: 00000002 00000002 00000036 c06d09c8 00000000 00000001 c7a62000 00000000
3c20: 00000000 60000013 00000032 c7a63c40 c004dfc0 c004e804 20000013 ffffffff
3c40: c00367ac 20000013 ffffffff c7a63c8c c7a62000 c04c07b4 c789b120 a0000013
3c60: c7a63ca0 00000000 00000000 c789b120 c07092fc 00000000 c7a62000 c04bf2ea
3c80: c7a63d4a c7a62000 c7a63f84 c7a63ca0 c0051300 c00367ac 20000013 ffffffff
3ca0: c7a63f48 00000000 c789b120 c00335bc 0000000b c7a62000 c789b120 c001a8fc
3cc0: c04bf2ea 00000001 c7a62000 c04ba5fc c05bb664 c06d09d0 c06c92e0 c07073a4
3ce0: c7a62000 c06c92e0 60000013 0000000b c04bf2ea c7a63d4a c7a62000 c000bedc
3d00: c7a621c0 0000000b 00000000 00000000 00000008 00000000 65000000 33643835
3d20: 20383030 64383565 34303061 38356520 30303234 33652038 30383065 28203030
3d40: 33383565 30303032 00002029 c04ba5fc c05f58b8 00000000 00000805 00000000
3d60: c7a63eb0 00000000 00000000 c789b120 00000000 c04b9f0c 00000000 c04c2138
3d80: c754c714 c00e590c c06d0dc8 c06d0dc8 c754c758 60000053 c06d10c0 c0058904
3da0: c7a63ea8 c00e27ac c754c6e8 c754c6e8 c7a63ebb c7a63ec8 c7a62000 c00e4358
3dc0: 00000002 0000000a 00000003 ffffffff 00000000 00000000 00000000 00000000
3de0: c7a63e08 3530fffe c7a63e33 00000805 00000005 c06c9e8c 00000000 c7a63eb0
3e00: 00000000 c7a1ee20 00000000 c00085e0 00000001 c788b8e0 c06d0dc8 c06d0dc8
3e20: c787c520 60000053 c06d10c0 c7a63ebb c0610f88 00018ed9 00000000 22fe30c3
3e40: 00000000 c78a3b70 00000020 c0251434 00000002 00000001 c78a3b70 c06cf998
3e60: 00000000 ffffffff c7a64000 00000002 00000000 c04c23a8 00000000 00000001
3e80: 000033fd 00000000 c06cf998 c0044664 c04c95b8 c06cf998 c04bf2e8 a0000013
3ea0: ffffffff c7a63ee4 ffffffff c04c07b4 00000001 ffffffff c7a63efc 00000000
3ec0: c7a1ee1c c7a62000 c789b120 c7922780 ffffffff 00000000 c7a1ee20 00000000
3ee0: 00000000 c7a63ef8 c04bf2b0 c04bf2e8 a0000013 ffffffff c7a63f14 c7a1ee20
3f00: 00000000 c7829aa0 20000093 c7a1ee10 c7a62000 c7922780 c7922780 c0051398
3f20: c06c6100 c02cf9a0 c789b120 c793dc40 c7a62000 c00513b4 c793dc40 c7a62000
3f40: 00000001 c0051148 00000000 c00512d8 00000000 c7a23e20 00000000 c793dc40
3f60: c0051064 00000000 00000000 c003627c 00000000 00000000 00000000 c793dc40
3f80: 00000000 c7a63f84 c7a63f84 00000001 c7a63f90 c7a63f90 c7a63fac c7a23e20
3fa0: c00361c8 00000000 00000000 c00095b0 00000000 00000000 00000000 00000000
3fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
3fe0: 00000000 00000000 00000000 00000000 00000013 00000000 007f00ff 04df08ff
[<c0223074>] (exit_shm) from [<c001a8d4>] (do_exit+0x238/0x93c)
[<c001a8d4>] (do_exit) from [<c000bedc>] (die+0x158/0x34c)
[<c000bedc>] (die) from [<c04b9f0c>] (__do_kernel_fault.part.9+0x54/0x74)
[<c04b9f0c>] (__do_kernel_fault.part.9) from [<c04c2138>] (do_page_fault+0x348/)
[<c04c2138>] (do_page_fault) from [<c00085e0>] (do_DataAbort+0x34/0x98)
[<c00085e0>] (do_DataAbort) from [<c04c07b4>] (__dabt_svc+0x34/0x40)
Exception stack(0xc7a63c58 to 0xc7a63ca0)
3c40: c789b120 a0000013
3c60: c7a63ca0 00000000 00000000 c789b120 c07092fc 00000000 c7a62000 c04bf2ea
3c80: c7a63d4a c7a62000 c7a63f84 c7a63ca0 c0051300 c00367ac 20000013 ffffffff
[<c04c07b4>] (__dabt_svc) from [<c00367ac>] (kthread_data+0x4/0xc)
[<c00367ac>] (kthread_data) from [<c0051300>] (irq_thread_dtor+0x28/0xc0)
[<c0051300>] (irq_thread_dtor) from [<c00335bc>] (task_work_run+0xa0/0xb4)
[<c00335bc>] (task_work_run) from [<c001a8fc>] (do_exit+0x260/0x93c)
[<c001a8fc>] (do_exit) from [<c000bedc>] (die+0x158/0x34c)
[<c000bedc>] (die) from [<c04b9f0c>] (__do_kernel_fault.part.9+0x54/0x74)
[<c04b9f0c>] (__do_kernel_fault.part.9) from [<c04c2138>] (do_page_fault+0x348/)
[<c04c2138>] (do_page_fault) from [<c00085e0>] (do_DataAbort+0x34/0x98)
[<c00085e0>] (do_DataAbort) from [<c04c07b4>] (__dabt_svc+0x34/0x40)
Exception stack(0xc7a63eb0 to 0xc7a63ef8)
3ea0: 00000001 ffffffff c7a63efc 00000000
3ec0: c7a1ee1c c7a62000 c789b120 c7922780 ffffffff 00000000 c7a1ee20 00000000
3ee0: 00000000 c7a63ef8 c04bf2b0 c04bf2e8 a0000013 ffffffff
[<c04c07b4>] (__dabt_svc) from [<c04bf2e8>] (__mutex_lock_slowpath+0x64/0x138)
[<c04bf2e8>] (__mutex_lock_slowpath) from [<c02cf9a0>] (mc13xxx_irq_thread+0x10)
[<c02cf9a0>] (mc13xxx_irq_thread) from [<c00513b4>] (irq_thread_fn+0x1c/0x34)
[<c00513b4>] (irq_thread_fn) from [<c0051148>] (irq_thread+0xe4/0x124)
[<c0051148>] (irq_thread) from [<c003627c>] (kthread+0xb4/0xd0)
[<c003627c>] (kthread) from [<c00095b0>] (ret_from_fork+0x14/0x24)
Code: eaf89776 c0222f98 e92d4038 e5903280 (e5934008)
---[ end trace 800418a9e658bcb4 ]---
Fixing recursive fault but reboot is needed!
[sched_delayed] sched: RT throttling activated
SW1A: 1200 <--> 1500 mV at 2200 mV
SW2A: 1800 mV
SW3: 5000 mV
VGEN: 1500 mV
VMMC1: 1600 <--> 3000 mV at 3000 mV
GPO1: 3100 mV
PWGT1SPI: 5500 mV
spi_imx 1000e000.cspi: probed
arch/arm/boot/dts/imx27-pdk.dts | 75 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 75 insertions(+)
diff --git a/arch/arm/boot/dts/imx27-pdk.dts b/arch/arm/boot/dts/imx27-pdk.dts
index 430b72b..f456fd5 100644
--- a/arch/arm/boot/dts/imx27-pdk.dts
+++ b/arch/arm/boot/dts/imx27-pdk.dts
@@ -21,6 +21,70 @@
};
};
+&cspi1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_cspi1>;
+ fsl,spi-num-chipselects = <1>;
+ cs-gpios = <&gpio4 28 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+
+ pmic: mc13783 at 0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "fsl,mc13783";
+ reg = <0>;
+ spi-cs-high;
+ spi-max-frequency = <1000000>;
+ interrupt-parent = <&gpio3>;
+ interrupts = <14 IRQ_TYPE_LEVEL_HIGH>;
+ fsl,mc13xxx-uses-adc;
+ fsl,mc13xxx-uses-rtc;
+
+ regulators {
+ /* SW1A and SW1B joined operation */
+ sw1_reg: sw1a {
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1520000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ /* SW2A and SW2B joined operation */
+ sw2_reg: sw2a {
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ sw3_reg: sw3 {
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+
+ vgen_reg: vgen {
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vmmc1_reg: vmmc1 {
+ regulator-min-microvolt = <1600000>;
+ regulator-max-microvolt = <3000000>;
+ };
+
+ gpo1_reg: gpo1 { };
+
+ pwgt1spi_reg: pwgt1spi {
+ regulator-always-on;
+ };
+ };
+ };
+};
&fec {
phy-mode = "mii";
@@ -38,6 +102,17 @@
&iomuxc {
imx27-pdk {
+ pinctrl_cspi1: cspi1grp {
+ fsl,pins = <
+ MX27_PAD_CSPI1_MISO__CSPI1_MISO 0x0
+ MX27_PAD_CSPI1_MOSI__CSPI1_MOSI 0x0
+ MX27_PAD_CSPI1_SCLK__CSPI1_SCLK 0x0
+ MX27_PAD_CSPI1_RDY__CSPI1_RDY 0x0
+ MX27_PAD_CSPI1_SS0__GPIO4_28 0x0 /* SPI1 CS0 */
+ MX27_PAD_TOUT__GPIO3_14 0x0 /* PMIC IRQ */
+ >;
+ };
+
pinctrl_fec: fecgrp {
fsl,pins = <
MX27_PAD_SD3_CMD__FEC_TXD0 0x0
--
1.8.3.2
next reply other threads:[~2014-04-15 21:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-15 21:07 Fabio Estevam [this message]
2014-04-15 21:33 ` [RFC] ARM: dts: imx27-pdk: Add PMIC support Russell King - ARM Linux
2014-04-15 21:36 ` Fabio Estevam
2014-04-16 3:54 ` Alexander Shiyan
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