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([82.78.167.145]) by smtp.gmail.com with ESMTPSA id f21-20020a05640214d500b0051e22660835sm5422415edx.46.2023.09.11.21.53.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Sep 2023 21:53:07 -0700 (PDT) From: Claudiu X-Google-Original-From: Claudiu To: geert+renesas@glider.be, mturquette@baylibre.com, sboyd@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, ulf.hansson@linaro.org, linus.walleij@linaro.org, gregkh@linuxfoundation.org, jirislaby@kernel.org, magnus.damm@gmail.com, catalin.marinas@arm.com, will@kernel.org, prabhakar.mahadev-lad.rj@bp.renesas.com, biju.das.jz@bp.renesas.com, quic_bjorande@quicinc.com, arnd@arndb.de, konrad.dybcio@linaro.org, neil.armstrong@linaro.org, nfraprado@collabora.com, rafal@milecki.pl, wsa+renesas@sang-engineering.com Cc: linux-renesas-soc@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-gpio@vger.kernel.org, linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Claudiu Beznea Subject: [PATCH 25/37] pinctrl: renesas: rzg2l: adapt function number for RZ/G3S Date: Tue, 12 Sep 2023 07:51:45 +0300 Message-Id: <20230912045157.177966-26-claudiu.beznea.uj@bp.renesas.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230912045157.177966-1-claudiu.beznea.uj@bp.renesas.com> References: <20230912045157.177966-1-claudiu.beznea.uj@bp.renesas.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (lipwig.vger.email [0.0.0.0]); Mon, 11 Sep 2023 21:56:14 -0700 (PDT) X-Spam-Status: No, score=-0.9 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lipwig.vger.email X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1776818143469879422 X-GMAIL-MSGID: 1776818143469879422 From: Claudiu Beznea On RZ/G3S PFC register allow setting 8 functions for individual ports (function1 to function8). For function1 register need to be configured with 0, for function8 register need to be configured with 7. We cannot use zero based addressing when requesting functions from different code places as documentation (RZG3S_pinfunction_List_r1.0.xlsx) states explicitly that function0 has different meaning. For this add a new member to struct rzg2l_hwcfg that will keep the offset that need to be substracted before applying a value to PFC register. Signed-off-by: Claudiu Beznea Reviewed-by: Geert Uytterhoeven --- drivers/pinctrl/renesas/pinctrl-rzg2l.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/renesas/pinctrl-rzg2l.c b/drivers/pinctrl/renesas/pinctrl-rzg2l.c index 8bdf065aa85b..80cacac7ec95 100644 --- a/drivers/pinctrl/renesas/pinctrl-rzg2l.c +++ b/drivers/pinctrl/renesas/pinctrl-rzg2l.c @@ -136,9 +136,11 @@ struct rzg2l_register_offsets { /** * struct rzg2l_hwcfg - hardware configuration data structure * @regs: hardware specific register offsets + * @func_base: base number for port function (see register PFC) */ struct rzg2l_hwcfg { const struct rzg2l_register_offsets regs; + u8 func_base; }; struct rzg2l_dedicated_configs { @@ -221,6 +223,7 @@ static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev, unsigned int group_selector) { struct rzg2l_pinctrl *pctrl = pinctrl_dev_get_drvdata(pctldev); + const struct rzg2l_hwcfg *hwcfg = pctrl->data->hwcfg; const struct pinctrl_pin_desc *pin_desc; unsigned int i, *psel_val, *pin_data; struct function_desc *func; @@ -247,9 +250,9 @@ static int rzg2l_pinctrl_set_mux(struct pinctrl_dev *pctldev, off = RZG2L_PIN_CFG_TO_PORT_OFFSET(*pin_data); dev_dbg(pctrl->dev, "port:%u pin: %u off:%x PSEL:%u\n", port, - pin, off, psel_val[i]); + pin, off, psel_val[i] - hwcfg->func_base); - rzg2l_pinctrl_set_pfc_mode(pctrl, pin, off, psel_val[i]); + rzg2l_pinctrl_set_pfc_mode(pctrl, pin, off, psel_val[i] - hwcfg->func_base); } return 0;