[PATCH 00/12] Add RTC support for the Renesas RZ/G3S SoC

Claudiu
2024-06-14T07:20:12Z

From: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>

Hi,

On the Renesas RZ/G3S SoC the RTC clock is provided by the VBATTB
IP. A 32 KHz crystall oscillator could be connected to the VBATTB
input pins. The logic to control this clock (and pass it to RTC)
is inside the VBATTB IP. For this, the clk-vbattb driver was added
(patches 01-04/12).

Patches 05-06/12 add the RTC driver.

Patches 07-10/12 update the device trees with proper nodes to enable RTC.

Patches 11-12/12 enable proper config flags for RTC to work on RZ/G3S SoC.

Thank you,
Claudiu Beznea

Claudiu Beznea (12):
clk: renesas: r9a08g045: Add clock, reset and power domain support for
the VBATTB IP
dt-bindings: clock: renesas,rzg3s-vbattb-clk: Document the VBATTB
clock driver
dt-bindings: mfd: renesas,rzg3s-vbattb: Document VBATTB
clk: renesas: clk-vbattb: Add VBATTB clock driver
dt-bindings: rtc: renesas,rzg3s-rtc: Document the Renesas RZ/G3S RTC
rtc: renesas-rtca3: Add driver for RTCA-3 available on Renesas RZ/G3S
SoC
arm64: dts: renesas: r9a08g045: Add VBATTB node
arm64: dts: renesas: r9a08g045: Add RTC node
arm64: dts: renesas: rzg3s-smarc-som: Enable VBATTB clock
arm64: dts: renesas: rzg3s-smarc-som: Enable RTC
arm64: defconfig: Enable VBATTB clock flag
arm64: defconfig: Enable Renesas RTCA-3 flag

.../clock/renesas,rzg3s-vbattb-clk.yaml | 90 ++
.../bindings/mfd/renesas,rzg3s-vbattb.yaml | 99 ++
.../bindings/rtc/renesas,rzg3s-rtc.yaml | 60 ++
MAINTAINERS | 8 +
arch/arm64/boot/dts/renesas/r9a08g045.dtsi | 44 +
.../boot/dts/renesas/rzg3s-smarc-som.dtsi | 17 +
arch/arm64/configs/defconfig | 2 +
drivers/clk/renesas/Kconfig | 4 +
drivers/clk/renesas/Makefile | 1 +
drivers/clk/renesas/clk-vbattb.c | 202 ++++
drivers/clk/renesas/r9a08g045-cpg.c | 6 +
drivers/rtc/Kconfig | 10 +
drivers/rtc/Makefile | 1 +
drivers/rtc/rtc-renesas-rtca3.c | 891 ++++++++++++++++++
14 files changed, 1435 insertions(+)
create mode 100644 Documentation/devicetree/bindings/clock/renesas,rzg3s-vbattb-clk.yaml
create mode 100644 Documentation/devicetree/bindings/mfd/renesas,rzg3s-vbattb.yaml
create mode 100644 Documentation/devicetree/bindings/rtc/renesas,rzg3s-rtc.yaml
create mode 100644 drivers/clk/renesas/clk-vbattb.c
create mode 100644 drivers/rtc/rtc-renesas-rtca3.c

--
2.39.2