From: Jonas Karlman Date: Sun, 12 May 2024 12:16:15 +0000 (+0000) Subject: pinctrl: rockchip: rv1126: Fix support for IOMUX_L_SOURCE_PMU flag X-Git-Url: http://git.dujemihanovic.xyz/%7B%7B%20%24style.RelPermalink%20%7D%7D?a=commitdiff_plain;h=264475514c90de2d432af1953c2d55c86c4e48ac;p=u-boot.git pinctrl: rockchip: rv1126: Fix support for IOMUX_L_SOURCE_PMU flag GPIO0_C0-C4 iomux is set using PMUGRF_GPIO0C_IOMUX_L reg on RV1126. This is indicated using the IOMUX_L_SOURCE_PMU flag. Fix reading current mux by fully adopting the IOMUX_L_SOURCE_PMU related code in Linux kernel. Based on Linux commit fd4ea48688c6 ("pinctrl: rockchip: Add RV1126 pinctrl support"). Signed-off-by: Jonas Karlman Reviewed-by: Kever Yang --- diff --git a/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c b/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c index a3cdadb86b..ca93b52ecc 100644 --- a/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c +++ b/drivers/pinctrl/rockchip/pinctrl-rockchip-core.c @@ -132,8 +132,12 @@ static int rockchip_get_mux(struct rockchip_pin_bank *bank, int pin) if (bank->iomux[iomux_num].type & IOMUX_GPIO_ONLY) return RK_FUNC_GPIO; - regmap = (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) - ? priv->regmap_pmu : priv->regmap_base; + if (bank->iomux[iomux_num].type & IOMUX_SOURCE_PMU) + regmap = priv->regmap_pmu; + else if (bank->iomux[iomux_num].type & IOMUX_L_SOURCE_PMU) + regmap = (pin % 8 < 4) ? priv->regmap_pmu : priv->regmap_base; + else + regmap = priv->regmap_base; /* get basic quadrupel of mux registers and the correct reg inside */ mux_type = bank->iomux[iomux_num].type; @@ -532,12 +536,14 @@ static struct rockchip_pin_ctrl *rockchip_pinctrl_get_soc_data(struct udevice *d /* preset iomux offset value, set new start value */ if (iom->offset >= 0) { - if (iom->type & IOMUX_SOURCE_PMU) + if ((iom->type & IOMUX_SOURCE_PMU) || + (iom->type & IOMUX_L_SOURCE_PMU)) pmu_offs = iom->offset; else grf_offs = iom->offset; } else { /* set current iomux offset */ - iom->offset = (iom->type & IOMUX_SOURCE_PMU) ? + iom->offset = ((iom->type & IOMUX_SOURCE_PMU) || + (iom->type & IOMUX_L_SOURCE_PMU)) ? pmu_offs : grf_offs; }