From patchwork Sun Jun 14 23:52:19 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sean Anderson X-Patchwork-Id: 242359 List-Id: U-Boot discussion From: seanga2 at gmail.com (Sean Anderson) Date: Sun, 14 Jun 2020 19:52:19 -0400 Subject: [PATCH v3 00/10] riscv: Add FPIOA and GPIO support for Kendryte K210 Message-ID: <20200614235229.1835920-1-seanga2@gmail.com> This patch series adds support for pinmuxing, gpios, and leds on the Kendyte K210. This patch series was previously part of https://patchwork.ozlabs.org/project/uboot/list/?series=161576 This patch series depends on https://patchwork.ozlabs.org/project/uboot/list/?series=178480 Changes in v3: - Add dt-bindings/pinctrl/sandbox-pinmux.h to patch Changes in v2: - Add test for pinmuxing - Don't clear existing pinctrl settings on probe - Re-order GPIOs to match the defaults more closely - Rebase onto v13 of "riscv: Add Sipeed Maix support" - Rewrite FPIOA driver to use pinmux property - Support muxing the output enable signal for each function in the FPIOA - Support output and input inversion in the pinmux driver - Support pinmux property in pinctrl-generic Sean Anderson (10): pinctrl: Add pinmux property support to pinctrl-generic test: pinmux: Add test for pin muxing pinctrl: Add support for Kendryte K210 FPIOA gpio: sifive: Use generic reg read function gpio: dw: Fix warnings about casting int to pointer gpio: dw: Add a trailing underscore to generated name gpio: dw: Return output value when direction is out led: gpio: Default to using node name if label is absent riscv: Add pinmux and gpio bindings for Kendryte K210 riscv: Add FPIOA and GPIO support for Kendryte K210 MAINTAINERS | 2 + arch/riscv/dts/k210-maix-bit.dts | 104 +++ arch/riscv/dts/k210.dtsi | 12 + arch/sandbox/dts/test.dts | 45 +- board/sipeed/maix/Kconfig | 9 + doc/board/sipeed/maix.rst | 64 +- .../pinctrl/kendryte,k210-fpioa.txt | 102 +++ .../pinctrl/pinctrl-bindings.txt | 65 +- drivers/gpio/dwapb_gpio.c | 33 +- drivers/gpio/sifive-gpio.c | 2 +- drivers/led/led_gpio.c | 7 +- drivers/pinctrl/Kconfig | 1 + drivers/pinctrl/Makefile | 1 + drivers/pinctrl/kendryte/Kconfig | 7 + drivers/pinctrl/kendryte/Makefile | 1 + drivers/pinctrl/kendryte/pinctrl.c | 678 ++++++++++++++++++ drivers/pinctrl/kendryte/pinctrl.h | 70 ++ drivers/pinctrl/pinctrl-generic.c | 125 +++- drivers/pinctrl/pinctrl-sandbox.c | 155 +++- include/dm/pinctrl.h | 21 +- include/dt-bindings/pinctrl/k210-pinctrl.h | 277 +++++++ include/dt-bindings/pinctrl/sandbox-pinmux.h | 19 + test/dm/Makefile | 3 + test/py/tests/test_pinmux.py | 36 +- 24 files changed, 1717 insertions(+), 122 deletions(-) create mode 100644 doc/device-tree-bindings/pinctrl/kendryte,k210-fpioa.txt create mode 100644 drivers/pinctrl/kendryte/Kconfig create mode 100644 drivers/pinctrl/kendryte/Makefile create mode 100644 drivers/pinctrl/kendryte/pinctrl.c create mode 100644 drivers/pinctrl/kendryte/pinctrl.h create mode 100644 include/dt-bindings/pinctrl/k210-pinctrl.h create mode 100644 include/dt-bindings/pinctrl/sandbox-pinmux.h