From: Claudiu Beznea <claudiu.beznea@microchip.com> To: <nicolas.ferre@microchip.com>, <alexandre.belloni@bootlin.com>, <p.zabel@pengutronix.de>, <sre@kernel.org>, <robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org> Cc: <linux-arm-kernel@lists.infradead.org>, <linux-pm@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, Claudiu Beznea <claudiu.beznea@microchip.com> Subject: [PATCH v5 6/9] power: reset: at91-reset: add at91_reset_data Date: Fri, 10 Jun 2022 12:24:11 +0300 [thread overview] Message-ID: <20220610092414.1816571-7-claudiu.beznea@microchip.com> (raw) In-Reply-To: <20220610092414.1816571-1-claudiu.beznea@microchip.com> Add struct at91_reset_data to keep per platform related information. This is a prerequisite for adding reset_controller_dev support. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> --- drivers/power/reset/at91-reset.c | 45 ++++++++++++++++++++++++-------- 1 file changed, 34 insertions(+), 11 deletions(-) diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index e62798750b6b..bb073aba816f 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -66,6 +66,7 @@ enum reset_type { * @rstc_base: base address for system reset * @ramc_base: array with base addresses of RAM controllers * @sclk: slow clock + * @data: platform specific reset data * @nb: reset notifier block * @args: SoC specific system reset arguments * @ramc_lpr: SDRAM Controller Low Power Register @@ -74,11 +75,26 @@ struct at91_reset { void __iomem *rstc_base; void __iomem *ramc_base[2]; struct clk *sclk; + const struct at91_reset_data *data; struct notifier_block nb; u32 args; u32 ramc_lpr; }; +/** + * struct at91_reset_data - AT91 reset data + * @reset_args: SoC specific system reset arguments + * @n_device_reset: number of device resets + * @device_reset_min_id: min id for device reset + * @device_reset_max_id: max id for device reset + */ +struct at91_reset_data { + u32 reset_args; + u32 n_device_reset; + u8 device_reset_min_id; + u8 device_reset_max_id; +}; + /* * unless the SDRAM is cleanly shutdown before we hit the * reset register it can be left driving the data bus and @@ -115,7 +131,7 @@ static int at91_reset(struct notifier_block *this, unsigned long mode, "r" (reset->rstc_base), "r" (1), "r" cpu_to_le32(AT91_DDRSDRC_LPCB_POWER_DOWN), - "r" (reset->args), + "r" (reset->data->reset_args), "r" (reset->ramc_lpr) : "r4"); @@ -173,29 +189,34 @@ static const struct of_device_id at91_ramc_of_match[] = { { /* sentinel */ } }; +static const struct at91_reset_data sam9260 = { + .reset_args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST, +}; + +static const struct at91_reset_data samx7 = { + .reset_args = AT91_RSTC_KEY | AT91_RSTC_PROCRST, +}; + static const struct of_device_id at91_reset_of_match[] = { { .compatible = "atmel,at91sam9260-rstc", - .data = (void *)(AT91_RSTC_KEY | AT91_RSTC_PERRST | - AT91_RSTC_PROCRST), + .data = &sam9260, }, { .compatible = "atmel,at91sam9g45-rstc", - .data = (void *)(AT91_RSTC_KEY | AT91_RSTC_PERRST | - AT91_RSTC_PROCRST) + .data = &sam9260, }, { .compatible = "atmel,sama5d3-rstc", - .data = (void *)(AT91_RSTC_KEY | AT91_RSTC_PERRST | - AT91_RSTC_PROCRST) + .data = &sam9260, }, { .compatible = "atmel,samx7-rstc", - .data = (void *)(AT91_RSTC_KEY | AT91_RSTC_PROCRST) + .data = &samx7, }, { .compatible = "microchip,sam9x60-rstc", - .data = (void *)(AT91_RSTC_KEY | AT91_RSTC_PROCRST) + .data = &samx7, }, { /* sentinel */ } }; @@ -232,10 +253,12 @@ static int __init at91_reset_probe(struct platform_device *pdev) } } - match = of_match_node(at91_reset_of_match, pdev->dev.of_node); + reset->data = device_get_match_data(&pdev->dev); + if (!reset->data) + return -ENODEV; + reset->nb.notifier_call = at91_reset; reset->nb.priority = 192; - reset->args = (u32)match->data; reset->sclk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(reset->sclk)) -- 2.34.1
WARNING: multiple messages have this Message-ID (diff)
From: Claudiu Beznea <claudiu.beznea@microchip.com> To: <nicolas.ferre@microchip.com>, <alexandre.belloni@bootlin.com>, <p.zabel@pengutronix.de>, <sre@kernel.org>, <robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org> Cc: <linux-arm-kernel@lists.infradead.org>, <linux-pm@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, Claudiu Beznea <claudiu.beznea@microchip.com> Subject: [PATCH v5 6/9] power: reset: at91-reset: add at91_reset_data Date: Fri, 10 Jun 2022 12:24:11 +0300 [thread overview] Message-ID: <20220610092414.1816571-7-claudiu.beznea@microchip.com> (raw) In-Reply-To: <20220610092414.1816571-1-claudiu.beznea@microchip.com> Add struct at91_reset_data to keep per platform related information. This is a prerequisite for adding reset_controller_dev support. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> --- drivers/power/reset/at91-reset.c | 45 ++++++++++++++++++++++++-------- 1 file changed, 34 insertions(+), 11 deletions(-) diff --git a/drivers/power/reset/at91-reset.c b/drivers/power/reset/at91-reset.c index e62798750b6b..bb073aba816f 100644 --- a/drivers/power/reset/at91-reset.c +++ b/drivers/power/reset/at91-reset.c @@ -66,6 +66,7 @@ enum reset_type { * @rstc_base: base address for system reset * @ramc_base: array with base addresses of RAM controllers * @sclk: slow clock + * @data: platform specific reset data * @nb: reset notifier block * @args: SoC specific system reset arguments * @ramc_lpr: SDRAM Controller Low Power Register @@ -74,11 +75,26 @@ struct at91_reset { void __iomem *rstc_base; void __iomem *ramc_base[2]; struct clk *sclk; + const struct at91_reset_data *data; struct notifier_block nb; u32 args; u32 ramc_lpr; }; +/** + * struct at91_reset_data - AT91 reset data + * @reset_args: SoC specific system reset arguments + * @n_device_reset: number of device resets + * @device_reset_min_id: min id for device reset + * @device_reset_max_id: max id for device reset + */ +struct at91_reset_data { + u32 reset_args; + u32 n_device_reset; + u8 device_reset_min_id; + u8 device_reset_max_id; +}; + /* * unless the SDRAM is cleanly shutdown before we hit the * reset register it can be left driving the data bus and @@ -115,7 +131,7 @@ static int at91_reset(struct notifier_block *this, unsigned long mode, "r" (reset->rstc_base), "r" (1), "r" cpu_to_le32(AT91_DDRSDRC_LPCB_POWER_DOWN), - "r" (reset->args), + "r" (reset->data->reset_args), "r" (reset->ramc_lpr) : "r4"); @@ -173,29 +189,34 @@ static const struct of_device_id at91_ramc_of_match[] = { { /* sentinel */ } }; +static const struct at91_reset_data sam9260 = { + .reset_args = AT91_RSTC_KEY | AT91_RSTC_PERRST | AT91_RSTC_PROCRST, +}; + +static const struct at91_reset_data samx7 = { + .reset_args = AT91_RSTC_KEY | AT91_RSTC_PROCRST, +}; + static const struct of_device_id at91_reset_of_match[] = { { .compatible = "atmel,at91sam9260-rstc", - .data = (void *)(AT91_RSTC_KEY | AT91_RSTC_PERRST | - AT91_RSTC_PROCRST), + .data = &sam9260, }, { .compatible = "atmel,at91sam9g45-rstc", - .data = (void *)(AT91_RSTC_KEY | AT91_RSTC_PERRST | - AT91_RSTC_PROCRST) + .data = &sam9260, }, { .compatible = "atmel,sama5d3-rstc", - .data = (void *)(AT91_RSTC_KEY | AT91_RSTC_PERRST | - AT91_RSTC_PROCRST) + .data = &sam9260, }, { .compatible = "atmel,samx7-rstc", - .data = (void *)(AT91_RSTC_KEY | AT91_RSTC_PROCRST) + .data = &samx7, }, { .compatible = "microchip,sam9x60-rstc", - .data = (void *)(AT91_RSTC_KEY | AT91_RSTC_PROCRST) + .data = &samx7, }, { /* sentinel */ } }; @@ -232,10 +253,12 @@ static int __init at91_reset_probe(struct platform_device *pdev) } } - match = of_match_node(at91_reset_of_match, pdev->dev.of_node); + reset->data = device_get_match_data(&pdev->dev); + if (!reset->data) + return -ENODEV; + reset->nb.notifier_call = at91_reset; reset->nb.priority = 192; - reset->args = (u32)match->data; reset->sclk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(reset->sclk)) -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-06-10 9:25 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-06-10 9:24 [PATCH v5 0/9] power: reset: at91-reset: add support for sama7g5 Claudiu Beznea 2022-06-10 9:24 ` Claudiu Beznea 2022-06-10 9:24 ` [PATCH v5 1/9] ARM: dts: at91: use generic name for reset controller Claudiu Beznea 2022-06-10 9:24 ` Claudiu Beznea 2022-07-04 6:47 ` Claudiu.Beznea 2022-07-04 6:47 ` Claudiu.Beznea 2022-06-10 9:24 ` [PATCH v5 2/9] dt-bindings: reset: convert Atmel/Microchip reset controller to YAML Claudiu Beznea 2022-06-10 9:24 ` Claudiu Beznea 2022-06-10 9:24 ` [PATCH v5 3/9] dt-bindings: reset: atmel,at91sam9260-reset: add sama7g5 bindings Claudiu Beznea 2022-06-10 9:24 ` Claudiu Beznea 2022-06-10 9:24 ` [PATCH v5 4/9] dt-bindings: reset: add sama7g5 definitions Claudiu Beznea 2022-06-10 9:24 ` Claudiu Beznea 2022-06-10 9:24 ` [PATCH v5 5/9] power: reset: at91-reset: document structures and enums Claudiu Beznea 2022-06-10 9:24 ` Claudiu Beznea 2022-06-10 9:24 ` Claudiu Beznea [this message] 2022-06-10 9:24 ` [PATCH v5 6/9] power: reset: at91-reset: add at91_reset_data Claudiu Beznea 2022-06-10 9:24 ` [PATCH v5 7/9] power: reset: at91-reset: add reset_controller_dev support Claudiu Beznea 2022-06-10 9:24 ` Claudiu Beznea 2022-06-10 9:24 ` [PATCH v5 8/9] power: reset: at91-reset: add support for SAMA7G5 Claudiu Beznea 2022-06-10 9:24 ` Claudiu Beznea 2022-06-10 9:24 ` [PATCH v5 9/9] ARM: dts: at91: sama7g5: add reset-controller node Claudiu Beznea 2022-06-10 9:24 ` Claudiu Beznea 2022-07-04 6:47 ` Claudiu.Beznea 2022-07-04 6:47 ` Claudiu.Beznea 2022-06-17 15:39 ` [PATCH v5 0/9] power: reset: at91-reset: add support for sama7g5 Sebastian Reichel 2022-06-17 15:39 ` Sebastian Reichel
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20220610092414.1816571-7-claudiu.beznea@microchip.com \ --to=claudiu.beznea@microchip.com \ --cc=alexandre.belloni@bootlin.com \ --cc=devicetree@vger.kernel.org \ --cc=krzysztof.kozlowski+dt@linaro.org \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux-pm@vger.kernel.org \ --cc=nicolas.ferre@microchip.com \ --cc=p.zabel@pengutronix.de \ --cc=robh+dt@kernel.org \ --cc=sre@kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.