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Message-ID: <CAOesGMjuewhO2H+QFQtAX+xFb5hyNn8Q65Cuup4vaXWAFvX87w@mail.gmail.com> Date: Tue, 24 Jan 2012 14:44:25 -0800 From: Olof Johansson <olof@...om.net> To: Linus Walleij <linus.walleij@...aro.org> Cc: Stephen Warren <swarren@...dia.com>, Colin Cross <ccross@...roid.com>, linux-tegra@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 3/4] ARM: tegra: Switch to new pinctrl driver On Tue, Jan 24, 2012 at 2:36 PM, Linus Walleij <linus.walleij@...aro.org> wrote: > On Fri, Jan 20, 2012 at 7:22 PM, Stephen Warren <swarren@...dia.com> wrote: > >> * Rename old pinmux and new pinctrl platform driver and DT match table >> entries, so the new driver gets instantiated. >> * Re-write board-pinmux.c, so that it uses pinctrl APIs to configura the >> pinmux. >> * Re-write board-*-pinmux.c so that the pinmux configuration tables are >> in pinctrl format. >> >> Ventana's pin mux table needed some edits on top of the basic format >> conversion, since some mux options that were previously marked as >> reserved are now valid in the new pinctrl driver. Attempting to use the >> old reserved names will result in a failure. Specifically, groups lpw0, >> lpw2, lsc1, lsck, and lsda were changed from function rsvd4 to displaya, >> and group pta was changed from function rsvd2 to hdmi. >> >> All boards' pin mux tables needed some edits on top of the based format >> conversion, since function i2c was split into i2c1 (first general I2C >> controller) and i2cp (power I2C controller) to better align function >> definitions with HW blocks. >> >> Due to the split of mux tables into pure mux and pull/tristate tables, >> many entries in the separate Seaboard/Ventana tables could be merged >> into the common table, since the entries differed only in the portion >> in one of the tables, not both. >> >> Most pin groups allow configuration of mux, tri-state, and pull. However, >> some don't allow pull configuration, which is instead configured by new >> groups that only allow pull configuration. This is a reflection of the >> true HW capabilities, which weren't fully represented by the old pinmux >> driver. This required adding new pull table entries for those new groups, >> and setting many other entries' pull configuration to >> TEGRA_PINCONFIG_DONT_SET. >> >> Signed-off-by: Stephen Warren <swarren@...dia.com> >> --- >> arch/arm/mach-tegra/board-harmony-pinmux.c | 362 ++++++++++++++------- >> arch/arm/mach-tegra/board-paz00-pinmux.c | 362 ++++++++++++++------- >> arch/arm/mach-tegra/board-pinmux.c | 62 ++++- >> arch/arm/mach-tegra/board-pinmux.h | 39 ++- >> arch/arm/mach-tegra/board-seaboard-pinmux.c | 442 ++++++++++++++++--------- >> arch/arm/mach-tegra/board-trimslice-pinmux.c | 366 ++++++++++++++-------- >> arch/arm/mach-tegra/pinmux.c | 6 +- >> drivers/pinctrl/pinctrl-tegra.c | 6 +- >> 8 files changed, 1095 insertions(+), 550 deletions(-) > > Can I have Colin's or Olof's ACK on this Tegra stuff too? > Would feel better... > > Acked-by: Linus Walleij <linus.walleij@...aro.org> Yup, I've just been waiting on things to settle, bindings/implementation wise. Will look at it over the next day or two and get back. -Olof -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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