From cf9610f9116d55c5a66ef9f1faecacabd93a9322 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Mon, 24 Aug 2026 08:46:03 -0700 Subject: Merge tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control updates from Linus Walleij: "Core changes: - Use the non-blocking mux_state_try_select() in the generic MUX pin control back-end - Free pin maps on pinctrl_generic_to_map() failure in the core helpers New hardware pin control: - Qualcomm Maili TLMM SoC, PMG1110 PMIC, and Eliza LPASS LPI TLMM SoC (this is for the low power audio, LPASS = Low Power Audio SubSystem portions) - Upboard support on top of the Intel pin controller - Apple T6030 and T6031 support (just compatible strings) - Samsung Exynos 8855 SoC - Mediatek MT6858 SoC - Rockchip RK3308B and RV1106 SoCs - Airoha EN7523 and AN7563 SoCs Improvements: - Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable - Qualcomm improvements on top of the Qualcomm PDC (power domain controller) irqchip improvements from tglx:s tree - Qualcomm IPQ806x and IPQ9650 non-urgent pin grop fixups - The NPCM8xx driver has been put into shape fixing many pin and group definitions - Some non-urgent Tegra 264 pin assignments are fixed up - Some non-urgent fixups to Airoha AN7581 and AN7583 registers and pin assignments, missing features etc" * tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (130 commits) dt-bindings: pinctrl: Convert TI DA850 pupd to DT schema pinctrl: meson: sync some modify from A4 pinctrl: meson: a4: Add input enable pin configuration pinctrl: realtek: rtd1625: remove unused group name spdif_sel pinctrl: realtek: rtd1625: fix base_bit for VE4 GPIO 13 dt-bindings: pinctrl: microchip,pic32mzda-pinctrl: Convert to DT schema Revert "Merge branch 'ib-rsk7204' into devel" pinctrl: rockchip: Add RV1106 pinctrl support dt-bindings: pinctrl: rockchip: Add RV1106 compatible pinctrl: rockchip: Decode drive strength in the get function pinctrl: fix PINCTRL_GENERIC_MUX not always being selectable pinctrl: airoha: add support of an7563 SoC dt-bindings: pinctrl: airoha: add support of an7563 pin controller pinctrl: airoha: try to find chip scu node by phandle first pinctrl: airoha: add support of en7523 SoC dt-bindings: pinctrl: airoha: add support of en7523 pin controller pinctrl: airoha: an7583: add support for olt pinmux pinctrl: airoha: an7583: add support for pon_alt pinmux pinctrl: airoha: an7583: add support for npu_uart pinmux dt-bindings: pinctrl: airoha: an7583: add missed features ... --- Documentation/fb/pvr2fb.rst | 66 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 Documentation/fb/pvr2fb.rst (limited to 'Documentation/fb/pvr2fb.rst') diff --git a/Documentation/fb/pvr2fb.rst b/Documentation/fb/pvr2fb.rst new file mode 100644 index 000000000..315ce085a --- /dev/null +++ b/Documentation/fb/pvr2fb.rst @@ -0,0 +1,66 @@ +=============================================== +pvr2fb - PowerVR 2 graphics frame buffer driver +=============================================== + +This is a driver for PowerVR 2 based graphics frame buffers, such as the +one found in the Dreamcast. + +Advantages: + + * It provides a nice large console (128 cols + 48 lines with 1024x768) + without using tiny, unreadable fonts (NOT on the Dreamcast) + * You can run XF86_FBDev on top of /dev/fb0 + * Most important: boot logo :-) + +Disadvantages: + + * Driver is largely untested on non-Dreamcast systems. + +Configuration +============= + +You can pass kernel command line options to pvr2fb with +`video=pvr2fb:option1,option2:value2,option3` (multiple options should be +separated by comma, values are separated from options by `:`). + +Accepted options: + +========== ================================================================== +font:X default font to use. All fonts are supported, including the + SUN12x22 font which is very nice at high resolutions. + + +mode:X default video mode with format [xres]x[yres]-@ + The following video modes are supported: + 640x640-16@60, 640x480-24@60, 640x480-32@60. The Dreamcast + defaults to 640x480-16@60. At the time of writing the + 24bpp and 32bpp modes function poorly. Work to fix that is + ongoing + + Note: the 640x240 mode is currently broken, and should not be + used for any reason. It is only mentioned here as a reference. + +inverse invert colors on screen (for LCD displays) + +nomtrr disables write combining on frame buffer. This slows down driver + but there is reported minor incompatibility between GUS DMA and + XFree under high loads if write combining is enabled (sound + dropouts). MTRR is enabled by default on systems that have it + configured and that support it. + +cable:X cable type. This can be any of the following: vga, rgb, and + composite. If none is specified, we guess. + +output:X output type. This can be any of the following: pal, ntsc, and + vga. If none is specified, we guess. +========== ================================================================== + +X11 +=== + +XF86_FBDev has been shown to work on the Dreamcast in the past - though not yet +on any 2.6 series kernel. + +Paul Mundt + +Updated by Adrian McMenamin -- cgit v1.3.1