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[80.251.214.228]) by smtp.gmail.com with ESMTPSA id q95sm5641080pjq.20.2021.02.28.17.43.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 28 Feb 2021 17:43:43 -0800 (PST) From: Shawn Guo To: Linus Walleij Cc: Bjorn Andersson , linux-gpio@vger.kernel.org, linux-arm-msm@vger.kernel.org, Shawn Guo Subject: [PATCH 1/2] pinctrl: qcom: handle tiles for ACPI boot Date: Mon, 1 Mar 2021 09:43:28 +0800 Message-Id: <20210301014329.30104-2-shawn.guo@linaro.org> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210301014329.30104-1-shawn.guo@linaro.org> References: <20210301014329.30104-1-shawn.guo@linaro.org> Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org It's not always the case that DT and ACPI describe hardware resource in the same schema, even for a single platform. For example, on SC8180X, DT uses the tiles schema while ACPI describe memory resource as a single region. It patches msm_pinctrl_probe() function to map tiles regions only for DT. While for ACPI, it maps the single memory resource and calculate tile bases with offsets passed from SoC data. Signed-off-by: Shawn Guo --- drivers/pinctrl/qcom/pinctrl-msm.c | 18 ++++++++++++++---- drivers/pinctrl/qcom/pinctrl-msm.h | 1 + 2 files changed, 15 insertions(+), 4 deletions(-) -- 2.17.1 diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index 40256663264f..2526f299bdce 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -4,6 +4,7 @@ * Copyright (c) 2013, The Linux Foundation. All rights reserved. */ +#include #include #include #include @@ -1399,6 +1400,7 @@ int msm_pinctrl_probe(struct platform_device *pdev, { struct msm_pinctrl *pctrl; struct resource *res; + void __iomem *base; int ret; int i; @@ -1415,7 +1417,7 @@ int msm_pinctrl_probe(struct platform_device *pdev, raw_spin_lock_init(&pctrl->lock); - if (soc_data->tiles) { + if (soc_data->tiles && !has_acpi_companion(&pdev->dev)) { for (i = 0; i < soc_data->ntiles; i++) { res = platform_get_resource_byname(pdev, IORESOURCE_MEM, soc_data->tiles[i]); @@ -1425,9 +1427,17 @@ int msm_pinctrl_probe(struct platform_device *pdev, } } else { res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - pctrl->regs[0] = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(pctrl->regs[0])) - return PTR_ERR(pctrl->regs[0]); + base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); + + if (soc_data->tiles) { + for (i = 0; i < soc_data->ntiles; i++) + pctrl->regs[i] = base + + soc_data->tile_offsets[i]; + } else { + pctrl->regs[0] = base; + } pctrl->phys_base[0] = res->start; } diff --git a/drivers/pinctrl/qcom/pinctrl-msm.h b/drivers/pinctrl/qcom/pinctrl-msm.h index e31a5167c91e..91333942d53c 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.h +++ b/drivers/pinctrl/qcom/pinctrl-msm.h @@ -131,6 +131,7 @@ struct msm_pinctrl_soc_data { bool pull_no_keeper; const char *const *tiles; unsigned int ntiles; + const u32 *tile_offsets; const int *reserved_gpios; const struct msm_gpio_wakeirq_map *wakeirq_map; unsigned int nwakeirq_map;