| Message ID | 20200321161049.64558-3-marek.vasut+renesas@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [1/3] ARM: dts: rmobile: Add IIC3 node on Gen2 R8A7792 V2H | expand |
diff --git a/board/renesas/blanche/blanche.c b/board/renesas/blanche/blanche.c index 7232370d6f..0807967d6e 100644 --- a/board/renesas/blanche/blanche.c +++ b/board/renesas/blanche/blanche.c @@ -355,4 +355,23 @@ int dram_init_banksize(void) void reset_cpu(ulong addr) { + struct udevice *dev; + const u8 pmic_bus = 6; + const u8 pmic_addr = 0x58; + u8 data; + int ret; + + ret = i2c_get_chip_for_busnum(pmic_bus, pmic_addr, 1, &dev); + if (ret) + hang(); + + ret = dm_i2c_read(dev, 0x13, &data, 1); + if (ret) + hang(); + + data |= BIT(1); + + ret = dm_i2c_write(dev, 0x13, &data, 1); + if (ret) + hang(); }
Add code to reset the board through PMIC, by writing the required PMIC registers in the CPU reset handler. Signed-off-by: Marek Vasut <marek.vasut+renesas at gmail.com> Cc: Nobuhiro Iwamatsu <iwamatsu at nigauri.org> --- board/renesas/blanche/blanche.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)