arm64: dts: mediatek: mt6795-xperia-m5: Add DSI Display and its vregs

Add support for the DSI display found on the Sony Xperia M5, including
the necessary regulators configuration for it.

Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230721082822.680010-4-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arm64: dts: mediatek: mt6795-xperia-m5: Add display backlight support

Add the relevant nodes for display backlight on Sony Xperia M5: this
needs both the SoC PWM IP and MT6332 PMIC LED strings.

Reviewed-by: Alexandre Mergnat <amergnat@baylibre.com>
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230721082822.680010-3-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arm64: dts: mediatek: mt6795-xperia-m5: Add eMMC, MicroSD slot, SDIO

Configure and enable the MMC0/1/2 controllers, used for the eMMC chip,
MicroSD card slot and SDIO (WiFi) respectively.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230412112739.160376-26-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arm64: dts: mediatek: mt6795-xperia-m5: Add MT6331 Combo PMIC

This smartphone uses the Helio X10 standard MT6331+MT6332 combo PMICs:
include the mt6331 devicetree and add the required interrupt.

Note that despite there being two interrupts, one for MT6331 and one
for MT6332, in configurations using the companion PMIC, the interrupt
of the latter fires for both events on MT6331 and for ones on MT6332,
while the interrupt for the main PMIC fires only for events of the
main PMIC.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230412112739.160376-25-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arm64: dts: mediatek: mt6795-xperia-m5: Add Bosch BMM050 Magnetometer

This smartphone features a Bosch BMM050 Magnetometer on I2C3: enable
it with the BMM150 binding, as that driver supports BMM050 as well.
For this sensor, there is no interrupt pin;
readings were validated in sysfs.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230412112739.160376-28-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arm64: dts: mediatek: mt6795-xperia-m5: Add Bosch BMA255 Accelerometer

Add the BMA255 Accelerometer on I2C3 and its pin definitions.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230412112739.160376-27-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arm64: dts: mediatek: mt6795-xperia-m5: Add NXP PN547 NFC on I2C3

Add support for the NXP PN547 NFC chip found on this smartphone and
configure its pins.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230327083647.22017-18-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arm64: dts: mediatek: mt6795-xperia-m5: Add Sensortek STK3310 Proximity

Add the STK3310 Proximity sensor and its pins.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230327083647.22017-17-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arm64: dts: mediatek: mt6795-xperia-m5: Add Synaptics RMI4 Touchscreen

Add the RMI4 Touchscreen on I2C2 and its pin definitions.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230327083647.22017-14-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arm64: dts: mediatek: mt6795-xperia-m5: Enable I2C 0-3 busses

Properly configure and enable the three i2c controllers that have
devices attached on the Sony Xperia M5 smartphone.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230327083647.22017-13-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arm64: dts: mediatek: mt6795: xperia-m5: Enable Frequency Hopping

Enable FHCTL with Spread Spectrum for MAINPLL, MPLL and MSDCPLL
as found on the downstream kernel for this smartphone.
Which one to enable, and at what SSC percentage, was found by
dumping the debugging data from a running downstream kernel and
checking the downstream code.

/proc/freqhopping # cat status
FH status:
===============================================
id == fh_status == pll_status == setting_id == curr_freq == user_defined
0 0 1 0 1599000 0
1 0 1 0 1716000 0
2 1 1 2 1092000 0
3 1 1 2 2912000 0
4 1 0 2 1600000 0
5 0 0 0 0 0
6 0 1 0 1518002 0
7 0 0 0 0 0
8 0 0 0 0 0

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20230327083647.22017-4-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arm64: dts: mediatek: Add support for MT6795 Sony Xperia M5 smartphone

Add a basic support for the Sony Xperia M5 (codename "Holly")
smartphone, powered by a MediaTek Helio X10 SoC.

This achieves a console boot.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20221027095504.37432-7-angelogioacchino.delregno@collabora.com
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>