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(fttx-pool-80.245.79.199.bambit.de [80.245.79.199]) by mxbox3.masterlogin.de (Postfix) with ESMTPSA id D871C3608D6; Sun, 6 Nov 2022 08:01:30 +0000 (UTC) From: Frank Wunderlich To: linux-mediatek@lists.infradead.org Cc: Frank Wunderlich , Linus Walleij , Rob Herring , Krzysztof Kozlowski , Matthias Brugger , Sean Wang , Sam Shih , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 5/6] pinctrl: mediatek: extend pinctrl-moore to support new bias functions Date: Sun, 6 Nov 2022 09:01:12 +0100 Message-Id: <20221106080114.7426-6-linux@fw-web.de> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221106080114.7426-1-linux@fw-web.de> References: <20221106080114.7426-1-linux@fw-web.de> MIME-Version: 1.0 X-Mail-ID: 834ebe36-977f-4cff-aa59-d34b09342e20 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1748733046476884322?= X-GMAIL-MSGID: =?utf-8?q?1748733046476884322?= From: Sam Shih Commit fb34a9ae383a ("pinctrl: mediatek: support rsel feature") introduced SoC specify 'pull_type' attribute to mtk_pinconf_bias_set_combo and mtk_pinconf_bias_get_combo, and make the functions able to support almost all Mediatek SoCs that use pinctrl-mtk-common-v2.c. This patch enables pinctrl_moore to support these functions. Signed-off-by: Sam Shih Signed-off-by: Frank Wunderlich Reviewed-by: AngeloGioacchino Del Regno --- drivers/pinctrl/mediatek/pinctrl-moore.c | 49 ++++++++++++++++++++---- 1 file changed, 42 insertions(+), 7 deletions(-) diff --git a/drivers/pinctrl/mediatek/pinctrl-moore.c b/drivers/pinctrl/mediatek/pinctrl-moore.c index 526faaebaf77..cdc002d29932 100644 --- a/drivers/pinctrl/mediatek/pinctrl-moore.c +++ b/drivers/pinctrl/mediatek/pinctrl-moore.c @@ -8,6 +8,7 @@ * */ +#include #include #include "pinctrl-moore.h" @@ -105,7 +106,7 @@ static int mtk_pinconf_get(struct pinctrl_dev *pctldev, { struct mtk_pinctrl *hw = pinctrl_dev_get_drvdata(pctldev); u32 param = pinconf_to_config_param(*config); - int val, val2, err, reg, ret = 1; + int val, val2, err, pullup, reg, ret = 1; const struct mtk_pin_desc *desc; desc = (const struct mtk_pin_desc *)&hw->soc->pins[pin]; @@ -114,7 +115,13 @@ static int mtk_pinconf_get(struct pinctrl_dev *pctldev, switch (param) { case PIN_CONFIG_BIAS_DISABLE: - if (hw->soc->bias_disable_get) { + if (hw->soc->bias_get_combo) { + err = hw->soc->bias_get_combo(hw, desc, &pullup, &ret); + if (err) + return err; + if (ret != MTK_PUPD_SET_R1R0_00 && ret != MTK_DISABLE) + return -EINVAL; + } else if (hw->soc->bias_disable_get) { err = hw->soc->bias_disable_get(hw, desc, &ret); if (err) return err; @@ -123,7 +130,15 @@ static int mtk_pinconf_get(struct pinctrl_dev *pctldev, } break; case PIN_CONFIG_BIAS_PULL_UP: - if (hw->soc->bias_get) { + if (hw->soc->bias_get_combo) { + err = hw->soc->bias_get_combo(hw, desc, &pullup, &ret); + if (err) + return err; + if (ret == MTK_PUPD_SET_R1R0_00 || ret == MTK_DISABLE) + return -EINVAL; + if (!pullup) + return -EINVAL; + } else if (hw->soc->bias_get) { err = hw->soc->bias_get(hw, desc, 1, &ret); if (err) return err; @@ -132,7 +147,15 @@ static int mtk_pinconf_get(struct pinctrl_dev *pctldev, } break; case PIN_CONFIG_BIAS_PULL_DOWN: - if (hw->soc->bias_get) { + if (hw->soc->bias_get_combo) { + err = hw->soc->bias_get_combo(hw, desc, &pullup, &ret); + if (err) + return err; + if (ret == MTK_PUPD_SET_R1R0_00 || ret == MTK_DISABLE) + return -EINVAL; + if (pullup) + return -EINVAL; + } else if (hw->soc->bias_get) { err = hw->soc->bias_get(hw, desc, 0, &ret); if (err) return err; @@ -235,7 +258,11 @@ static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, switch (param) { case PIN_CONFIG_BIAS_DISABLE: - if (hw->soc->bias_disable_set) { + if (hw->soc->bias_set_combo) { + err = hw->soc->bias_set_combo(hw, desc, 0, MTK_DISABLE); + if (err) + return err; + } else if (hw->soc->bias_disable_set) { err = hw->soc->bias_disable_set(hw, desc); if (err) return err; @@ -244,7 +271,11 @@ static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, } break; case PIN_CONFIG_BIAS_PULL_UP: - if (hw->soc->bias_set) { + if (hw->soc->bias_set_combo) { + err = hw->soc->bias_set_combo(hw, desc, 1, arg); + if (err) + return err; + } else if (hw->soc->bias_set) { err = hw->soc->bias_set(hw, desc, 1); if (err) return err; @@ -253,7 +284,11 @@ static int mtk_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin, } break; case PIN_CONFIG_BIAS_PULL_DOWN: - if (hw->soc->bias_set) { + if (hw->soc->bias_set_combo) { + err = hw->soc->bias_set_combo(hw, desc, 0, arg); + if (err) + return err; + } else if (hw->soc->bias_set) { err = hw->soc->bias_set(hw, desc, 0); if (err) return err;