Message ID | 20231229074508.2709093-1-JJLIU0@nuvoton.com |
---|---|
Headers | show |
Series | Add Nuvoton NPCM SGPIO feature | expand |
On Fri, Dec 29, 2023 at 8:45 AM <jim.t90615@gmail.com> wrote: > > From: Jim Liu <JJLIU0@nuvoton.com> > > This SGPIO controller is for NUVOTON NPCM7xx and NPCM8xx SoC. > Nuvoton NPCM SGPIO module is combine serial to parallel IC (HC595) > and parallel to serial IC (HC165), and use APB3 clock to control it. > This interface has 4 pins (D_out , D_in, S_CLK, LDSH). > NPCM7xx/NPCM8xx have two sgpio module each module can support up > to 64 output pins,and up to 64 input pin, the pin is only for GPI or GPO. > > Jim Liu (3): > dt-bindings: gpio: add NPCM sgpio driver bindings > arm: dts: nuvoton: npcm: Add sgpio feature > gpio: nuvoton: Add Nuvoton NPCM sgpio driver > > .../bindings/gpio/nuvoton,sgpio.yaml | 87 +++ > .../dts/nuvoton/nuvoton-common-npcm7xx.dtsi | 24 + > drivers/gpio/Kconfig | 7 + > drivers/gpio/Makefile | 1 + > drivers/gpio/gpio-npcm-sgpio.c | 612 ++++++++++++++++++ > 5 files changed, 731 insertions(+) > create mode 100644 Documentation/devicetree/bindings/gpio/nuvoton,sgpio.yaml > create mode 100644 drivers/gpio/gpio-npcm-sgpio.c > > -- > 2.25.1 > Applied patches 1 and 3. Bart
From: Jim Liu <JJLIU0@nuvoton.com> This SGPIO controller is for NUVOTON NPCM7xx and NPCM8xx SoC. Nuvoton NPCM SGPIO module is combine serial to parallel IC (HC595) and parallel to serial IC (HC165), and use APB3 clock to control it. This interface has 4 pins (D_out , D_in, S_CLK, LDSH). NPCM7xx/NPCM8xx have two sgpio module each module can support up to 64 output pins,and up to 64 input pin, the pin is only for GPI or GPO. Jim Liu (3): dt-bindings: gpio: add NPCM sgpio driver bindings arm: dts: nuvoton: npcm: Add sgpio feature gpio: nuvoton: Add Nuvoton NPCM sgpio driver .../bindings/gpio/nuvoton,sgpio.yaml | 87 +++ .../dts/nuvoton/nuvoton-common-npcm7xx.dtsi | 24 + drivers/gpio/Kconfig | 7 + drivers/gpio/Makefile | 1 + drivers/gpio/gpio-npcm-sgpio.c | 612 ++++++++++++++++++ 5 files changed, 731 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/nuvoton,sgpio.yaml create mode 100644 drivers/gpio/gpio-npcm-sgpio.c