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received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: KS+iJFWR0OgDA0HJaOw64IK1cWxh5PkvRcfBfOoDA2wjrBP8XBrJYW6pdtDyhUmE9ep36PF4xWizndcv9CEdUiqbSS5MRV0P3GOqUKs8cdXQUflzsmqhh329v7w4n+oHK8IknH0xouKEDm/ON701mJVZmt/XAIBVK5rOMbGK3Z7CxkZko2jy5hVZ91y0PCsVb4HOu0ZNUAST/G6Il1K+X4h3zdAI4s48Y9tIf+r1Pbt02dgt5FF9PjIrfW28dSokhEOHYWRU/gWco1L01txSORSnHhKLlNfEtZw4cVKjN7zI8HHZTePFZTq69N3xAruWnbqbUgAGHVPd0n97hbxLIY/HXzDzypzez0d1/CoDXIjx8HmnXpd91ioW/SAbnpiiQW9rN6Eqv4dfNNduT7DQYaRF/Rlz5khuMpWq9tKNyE0= Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: bda45bed-ce51-46d9-d80f-08d69294bb55 X-MS-Exchange-CrossTenant-originalarrivaltime: 14 Feb 2019 15:54:37.4892 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-Transport-CrossTenantHeadersStamped: MWHPR11MB1472 X-OriginatorOrg: microchip.com Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Claudiu Beznea Add initial PM support for SAM9X60. This include idle, WFI and ULP0. Signed-off-by: Claudiu Beznea --- arch/arm/mach-at91/at91sam9.c | 18 ++++++++++++++++++ arch/arm/mach-at91/generic.h | 2 ++ arch/arm/mach-at91/pm.c | 14 ++++++++++++++ 3 files changed, 34 insertions(+) diff --git a/arch/arm/mach-at91/at91sam9.c b/arch/arm/mach-at91/at91sam9.c index 3dbdef4d3cbf..c12563b09656 100644 --- a/arch/arm/mach-at91/at91sam9.c +++ b/arch/arm/mach-at91/at91sam9.c @@ -32,3 +32,21 @@ DT_MACHINE_START(at91sam_dt, "Atmel AT91SAM9") .init_machine =3D at91sam9_init, .dt_compat =3D at91_dt_board_compat, MACHINE_END + +static void __init sam9x60_init(void) +{ + of_platform_default_populate(NULL, NULL, NULL); + + sam9x60_pm_init(); +} + +static const char *const sam9x60_dt_board_compat[] __initconst =3D { + "microchip,sam9x60", + NULL +}; + +DT_MACHINE_START(sam9x60_dt, "Microchip SAM9X60") + /* Maintainer: Microchip */ + .init_machine =3D sam9x60_init, + .dt_compat =3D sam9x60_dt_board_compat, +MACHINE_END diff --git a/arch/arm/mach-at91/generic.h b/arch/arm/mach-at91/generic.h index e2bd17237964..72b45accfa0f 100644 --- a/arch/arm/mach-at91/generic.h +++ b/arch/arm/mach-at91/generic.h @@ -14,11 +14,13 @@ #ifdef CONFIG_PM extern void __init at91rm9200_pm_init(void); extern void __init at91sam9_pm_init(void); +extern void __init sam9x60_pm_init(void); extern void __init sama5_pm_init(void); extern void __init sama5d2_pm_init(void); #else static inline void __init at91rm9200_pm_init(void) { } static inline void __init at91sam9_pm_init(void) { } +static inline void __init sam9x60_pm_init(void) { } static inline void __init sama5_pm_init(void) { } static inline void __init sama5d2_pm_init(void) { } #endif diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index ce2ff86968f6..e42db02eafe4 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -518,6 +518,11 @@ static void at91rm9200_idle(void) writel(AT91_PMC_PCK, soc_pm.data.pmc + AT91_PMC_SCDR); } =20 +static void at91sam9x60_idle(void) +{ + cpu_do_idle(); +} + static void at91sam9_idle(void) { writel(AT91_PMC_PCK, soc_pm.data.pmc + AT91_PMC_SCDR); @@ -754,6 +759,15 @@ void __init at91rm9200_pm_init(void) at91_pm_init(at91rm9200_idle); } =20 +void __init sam9x60_pm_init(void) +{ + if (!IS_ENABLED(CONFIG_SOC_AT91SAM9)) + return; + + at91_dt_ramc(); + at91_pm_init(at91sam9x60_idle); +} + void __init at91sam9_pm_init(void) { if (!IS_ENABLED(CONFIG_SOC_AT91SAM9)) --=20 2.7.4