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Tue, 24 Jun 2025 06:19:25 -0700 (PDT) From: Bartosz Golaszewski Date: Tue, 24 Jun 2025 15:19:14 +0200 Subject: [PATCH RFT 3/6] mfd: vexpress-sysreg: set-up software nodes for gpio-mmio Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250624-gpio-mmio-pdata-v1-3-a58c72eb556a@linaro.org> References: <20250624-gpio-mmio-pdata-v1-0-a58c72eb556a@linaro.org> In-Reply-To: <20250624-gpio-mmio-pdata-v1-0-a58c72eb556a@linaro.org> To: Linus Walleij , Bartosz Golaszewski , Lee Jones , Liviu Dudau , Sudeep Holla , Lorenzo Pieralisi , Aaro Koskinen , Janusz Krzysztofik , Tony Lindgren , Russell King , Krzysztof Kozlowski , Alim Akhtar Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, patches@opensource.cirrus.com, linux-samsung-soc@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski Replace struct bgpio_pdata - that we plan to remove - with software nodes containing properties encoding the same values thatr can now be parsed by gpio-mmio. Signed-off-by: Bartosz Golaszewski Acked-by: Lee Jones Reviewed-by: Linus Walleij Reviewed-by: Liviu Dudau --- drivers/mfd/vexpress-sysreg.c | 46 ++++++++++++++++++++++++++-------------= ---- 1 file changed, 28 insertions(+), 18 deletions(-) diff --git a/drivers/mfd/vexpress-sysreg.c b/drivers/mfd/vexpress-sysreg.c index ef03d6cec9ff6927668d051ca459eb1d8ff7269e..fc2daffc4352cca763cefbf6e17= bdd5242290198 100644 --- a/drivers/mfd/vexpress-sysreg.c +++ b/drivers/mfd/vexpress-sysreg.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include =20 @@ -37,22 +38,34 @@ =20 /* The sysreg block is just a random collection of various functions... */ =20 -static struct bgpio_pdata vexpress_sysreg_sys_led_pdata =3D { - .label =3D "sys_led", - .base =3D -1, - .ngpio =3D 8, +static const struct property_entry vexpress_sysreg_sys_led_props[] =3D { + PROPERTY_ENTRY_STRING("label", "sys_led"), + PROPERTY_ENTRY_U32("ngpios", 8), + { } }; =20 -static struct bgpio_pdata vexpress_sysreg_sys_mci_pdata =3D { - .label =3D "sys_mci", - .base =3D -1, - .ngpio =3D 2, +static const struct software_node vexpress_sysreg_sys_led_swnode =3D { + .properties =3D vexpress_sysreg_sys_led_props, }; =20 -static struct bgpio_pdata vexpress_sysreg_sys_flash_pdata =3D { - .label =3D "sys_flash", - .base =3D -1, - .ngpio =3D 1, +static const struct property_entry vexpress_sysreg_sys_mci_props[] =3D { + PROPERTY_ENTRY_STRING("label", "sys_mci"), + PROPERTY_ENTRY_U32("ngpios", 2), + { } +}; + +static const struct software_node vexpress_sysreg_sys_mci_swnode =3D { + .properties =3D vexpress_sysreg_sys_mci_props, +}; + +static const struct property_entry vexpress_sysreg_sys_flash_props[] =3D { + PROPERTY_ENTRY_STRING("label", "sys_flash"), + PROPERTY_ENTRY_U32("ngpios", 1), + { } +}; + +static const struct software_node vexpress_sysreg_sys_flash_swnode =3D { + .properties =3D vexpress_sysreg_sys_flash_props, }; =20 static struct mfd_cell vexpress_sysreg_cells[] =3D { @@ -61,22 +74,19 @@ static struct mfd_cell vexpress_sysreg_cells[] =3D { .of_compatible =3D "arm,vexpress-sysreg,sys_led", .num_resources =3D 1, .resources =3D &DEFINE_RES_MEM_NAMED(SYS_LED, 0x4, "dat"), - .platform_data =3D &vexpress_sysreg_sys_led_pdata, - .pdata_size =3D sizeof(vexpress_sysreg_sys_led_pdata), + .swnode =3D &vexpress_sysreg_sys_led_swnode, }, { .name =3D "basic-mmio-gpio", .of_compatible =3D "arm,vexpress-sysreg,sys_mci", .num_resources =3D 1, .resources =3D &DEFINE_RES_MEM_NAMED(SYS_MCI, 0x4, "dat"), - .platform_data =3D &vexpress_sysreg_sys_mci_pdata, - .pdata_size =3D sizeof(vexpress_sysreg_sys_mci_pdata), + .swnode =3D &vexpress_sysreg_sys_mci_swnode, }, { .name =3D "basic-mmio-gpio", .of_compatible =3D "arm,vexpress-sysreg,sys_flash", .num_resources =3D 1, .resources =3D &DEFINE_RES_MEM_NAMED(SYS_FLASH, 0x4, "dat"), - .platform_data =3D &vexpress_sysreg_sys_flash_pdata, - .pdata_size =3D sizeof(vexpress_sysreg_sys_flash_pdata), + .swnode =3D &vexpress_sysreg_sys_flash_swnode, }, { .name =3D "vexpress-syscfg", .num_resources =3D 1, --=20 2.48.1