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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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Merge branch 'ib-meson-fixes' into devel
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commit
fe4a6485b8
@ -23,11 +23,11 @@ The GPIO bank for the controller is represented as a sub-node and it acts as a
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GPIO controller.
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Required properties for sub-nodes are:
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- reg: should contain address and size for mux, pull-enable, pull and
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gpio register sets
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- reg-names: an array of strings describing the "reg" entries. Must
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contain "mux", "pull" and "gpio". "pull-enable" is optional and
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when it is missing the "pull" registers are used instead
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- reg: should contain a list of address and size, one tuple for each entry
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in reg-names.
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- reg-names: an array of strings describing the "reg" entries.
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Must contain "mux" and "gpio".
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May contain "pull", "pull-enable" and "ds" when appropriate.
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- gpio-controller: identifies the node as a gpio controller
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- #gpio-cells: must be 2
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@ -31,6 +31,9 @@
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* In some cases the register ranges for pull enable and pull
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* direction are the same and thus there are only 3 register ranges.
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*
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* Since Meson G12A SoC, the ao register ranges for gpio, pull enable
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* and pull direction are the same, so there are only 2 register ranges.
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*
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* For the pull and GPIO configuration every bank uses a contiguous
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* set of bits in the register sets described above; the same register
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* can be shared by more banks with different offsets.
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@ -488,21 +491,26 @@ static int meson_pinctrl_parse_dt(struct meson_pinctrl *pc,
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return PTR_ERR(pc->reg_mux);
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}
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pc->reg_pull = meson_map_resource(pc, gpio_np, "pull");
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if (IS_ERR(pc->reg_pull)) {
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dev_err(pc->dev, "pull registers not found\n");
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return PTR_ERR(pc->reg_pull);
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pc->reg_gpio = meson_map_resource(pc, gpio_np, "gpio");
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if (IS_ERR(pc->reg_gpio)) {
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dev_err(pc->dev, "gpio registers not found\n");
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return PTR_ERR(pc->reg_gpio);
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}
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pc->reg_pull = meson_map_resource(pc, gpio_np, "pull");
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/* Use gpio region if pull one is not present */
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if (IS_ERR(pc->reg_pull))
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pc->reg_pull = pc->reg_gpio;
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pc->reg_pullen = meson_map_resource(pc, gpio_np, "pull-enable");
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/* Use pull region if pull-enable one is not present */
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if (IS_ERR(pc->reg_pullen))
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pc->reg_pullen = pc->reg_pull;
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pc->reg_gpio = meson_map_resource(pc, gpio_np, "gpio");
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if (IS_ERR(pc->reg_gpio)) {
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dev_err(pc->dev, "gpio registers not found\n");
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return PTR_ERR(pc->reg_gpio);
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pc->reg_ds = meson_map_resource(pc, gpio_np, "ds");
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if (IS_ERR(pc->reg_ds)) {
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dev_dbg(pc->dev, "ds registers not found - skipping\n");
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pc->reg_ds = NULL;
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}
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return 0;
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@ -120,6 +120,7 @@ struct meson_pinctrl {
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struct regmap *reg_pullen;
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struct regmap *reg_pull;
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struct regmap *reg_gpio;
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struct regmap *reg_ds;
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struct gpio_chip chip;
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struct device_node *of_node;
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};
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