From patchwork Sun Mar 15 18:38:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= X-Patchwork-Id: 11439345 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id A982F6CA for ; Sun, 15 Mar 2020 18:38:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7C3FF206EB for ; Sun, 15 Mar 2020 18:38:17 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=rere.qmqm.pl header.i=@rere.qmqm.pl header.b="nPUN6tjw" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728815AbgCOSiM (ORCPT ); Sun, 15 Mar 2020 14:38:12 -0400 Received: from rere.qmqm.pl ([91.227.64.183]:55459 "EHLO rere.qmqm.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728289AbgCOSiJ (ORCPT ); Sun, 15 Mar 2020 14:38:09 -0400 Received: from remote.user (localhost [127.0.0.1]) by rere.qmqm.pl (Postfix) with ESMTPSA id 48gSqK6Mdqzbq; Sun, 15 Mar 2020 19:38:05 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=rere.qmqm.pl; s=1; t=1584297485; bh=MJTn0lcfvVPSV/6tZkl0DGQ5CeVVGsRFlug7TcXYwhM=; h=Date:In-Reply-To:References:From:Subject:To:Cc:From; b=nPUN6tjwxUfc/G0d8ELKNQOnz/bHQEtFm8oaTwhzfmKIydvgcgVh0abcF+jOAL0I2 AkTlgYnsf7hRmARjQxZIhITrGNFw8XJ6l5bwaCyuFC5Le19EoJbC0KDUsZGS/VnYVH a3EufXtihS1vZ/HQyfSRjpw1xkMaTeDeixzyn2DPavxroAcdr4Ed/w45HfIxQmLH6f voXI8Kl8H4dyjKJ1ISkUcNmlmWorkRgesEccAv6FuAqnz7yVJ+fGUaO5bZUINWqwCm 5TNLWwV79EEeNhitG7HRpWvNIVnigC9iSvu/apJtiMKUunBDQG4g6+2mze/pWt8hw5 GqbBSdI2PdtyA== X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.102.2 at mail Date: Sun, 15 Mar 2020 19:38:05 +0100 Message-Id: In-Reply-To: References: From: =?utf-8?b?TWljaGHFgiBNaXJvc8WCYXc=?= Subject: [PATCH 2/3] clk: at91: allow setting PCKx parent via DT MIME-Version: 1.0 To: Alexandre Belloni , Ludovic Desroches , Michael Turquette , Nicolas Ferre , Stephen Boyd Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org This exposes PROGx clocks for use in assigned-clocks DeviceTree property for selecting PCKx parent clock. Signed-off-by: Michał Mirosław Reported-by: kbuild test robot --- drivers/clk/at91/at91sam9260.c | 5 ++++- drivers/clk/at91/at91sam9rl.c | 4 +++- drivers/clk/at91/at91sam9x5.c | 4 +++- drivers/clk/at91/pmc.c | 12 ++++++++++-- drivers/clk/at91/pmc.h | 5 ++++- drivers/clk/at91/sama5d2.c | 4 +++- drivers/clk/at91/sama5d4.c | 4 +++- include/dt-bindings/clock/at91.h | 1 + 8 files changed, 31 insertions(+), 8 deletions(-) diff --git a/drivers/clk/at91/at91sam9260.c b/drivers/clk/at91/at91sam9260.c index 946f03a09858..7e5ff252fffc 100644 --- a/drivers/clk/at91/at91sam9260.c +++ b/drivers/clk/at91/at91sam9260.c @@ -354,7 +354,8 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, at91sam9260_pmc = pmc_data_allocate(PMC_MAIN + 1, ndck(data->sck, data->num_sck), - ndck(data->pck, data->num_pck), 0); + ndck(data->pck, data->num_pck), + 0, data->num_progck); if (!at91sam9260_pmc) return; @@ -434,6 +435,8 @@ static void __init at91sam926x_pmc_setup(struct device_node *np, &at91rm9200_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91sam9260_pmc->pchws[i] = hw; } for (i = 0; i < data->num_sck; i++) { diff --git a/drivers/clk/at91/at91sam9rl.c b/drivers/clk/at91/at91sam9rl.c index cc739d214ae3..bcf07f6a0e0e 100644 --- a/drivers/clk/at91/at91sam9rl.c +++ b/drivers/clk/at91/at91sam9rl.c @@ -89,7 +89,7 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) at91sam9rl_pmc = pmc_data_allocate(PMC_MAIN + 1, nck(at91sam9rl_systemck), - nck(at91sam9rl_periphck), 0); + nck(at91sam9rl_periphck), 0, 2); if (!at91sam9rl_pmc) return; @@ -138,6 +138,8 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np) &at91rm9200_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91sam9rl_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(at91sam9rl_systemck); i++) { diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c index aac99d699568..f13756b407e2 100644 --- a/drivers/clk/at91/at91sam9x5.c +++ b/drivers/clk/at91/at91sam9x5.c @@ -151,7 +151,7 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, return; at91sam9x5_pmc = pmc_data_allocate(PMC_MAIN + 1, - nck(at91sam9x5_systemck), 31, 0); + nck(at91sam9x5_systemck), 31, 0, 2); if (!at91sam9x5_pmc) return; @@ -227,6 +227,8 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np, &at91sam9x5_programmable_layout); if (IS_ERR(hw)) goto err_free; + + at91sam9x5_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(at91sam9x5_systemck); i++) { diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c index fe788512fcc0..874385c981f7 100644 --- a/drivers/clk/at91/pmc.c +++ b/drivers/clk/at91/pmc.c @@ -67,6 +67,10 @@ struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data) if (idx < pmc_data->ngck) return pmc_data->ghws[idx]; break; + case PMC_TYPE_PROGRAMMABLE: + if (idx < pmc_data->npck) + return pmc_data->pchws[idx]; + break; default: break; } @@ -77,9 +81,10 @@ struct clk_hw *of_clk_hw_pmc_get(struct of_phandle_args *clkspec, void *data) } struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, - unsigned int nperiph, unsigned int ngck) + unsigned int nperiph, unsigned int ngck, + unsigned int npck) { - unsigned int num_clks = ncore + nsystem + nperiph + ngck; + unsigned int num_clks = ncore + nsystem + nperiph + ngck + npck; struct pmc_data *pmc_data; pmc_data = kzalloc(sizeof(*pmc_data) + num_clks * sizeof(struct clk_hw *), @@ -99,6 +104,9 @@ struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, pmc_data->ngck = ngck; pmc_data->ghws = pmc_data->phws + nperiph; + pmc_data->npck = npck; + pmc_data->pchws = pmc_data->ghws + ngck; + return pmc_data; } diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h index 49cc3d67b98e..bf44ee5d1b79 100644 --- a/drivers/clk/at91/pmc.h +++ b/drivers/clk/at91/pmc.h @@ -24,6 +24,8 @@ struct pmc_data { struct clk_hw **phws; unsigned int ngck; struct clk_hw **ghws; + unsigned int npck; + struct clk_hw **pchws; struct clk_hw *hwtable[0]; }; @@ -96,7 +98,8 @@ struct clk_pcr_layout { #define ndck(a, s) (a[s - 1].id + 1) #define nck(a) (a[ARRAY_SIZE(a) - 1].id + 1) struct pmc_data *pmc_data_allocate(unsigned int ncore, unsigned int nsystem, - unsigned int nperiph, unsigned int ngck); + unsigned int nperiph, unsigned int ngck, + unsigned int npck); int of_at91_get_clk_range(struct device_node *np, const char *propname, struct clk_range *range); diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c index b2560670e5af..ae5e83cadb3d 100644 --- a/drivers/clk/at91/sama5d2.c +++ b/drivers/clk/at91/sama5d2.c @@ -169,7 +169,7 @@ static void __init sama5d2_pmc_setup(struct device_node *np) sama5d2_pmc = pmc_data_allocate(PMC_I2S1_MUX + 1, nck(sama5d2_systemck), nck(sama5d2_periph32ck), - nck(sama5d2_gck)); + nck(sama5d2_gck), 3); if (!sama5d2_pmc) return; @@ -267,6 +267,8 @@ static void __init sama5d2_pmc_setup(struct device_node *np) &sama5d2_programmable_layout); if (IS_ERR(hw)) goto err_free; + + sama5d2_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(sama5d2_systemck); i++) { diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c index 4ca9a4619500..80692902b4e4 100644 --- a/drivers/clk/at91/sama5d4.c +++ b/drivers/clk/at91/sama5d4.c @@ -142,7 +142,7 @@ static void __init sama5d4_pmc_setup(struct device_node *np) sama5d4_pmc = pmc_data_allocate(PMC_MCK2 + 1, nck(sama5d4_systemck), - nck(sama5d4_periph32ck), 0); + nck(sama5d4_periph32ck), 0, 3); if (!sama5d4_pmc) return; @@ -224,6 +224,8 @@ static void __init sama5d4_pmc_setup(struct device_node *np) &at91sam9x5_programmable_layout); if (IS_ERR(hw)) goto err_free; + + sama5d4_pmc->pchws[i] = hw; } for (i = 0; i < ARRAY_SIZE(sama5d4_systemck); i++) { diff --git a/include/dt-bindings/clock/at91.h b/include/dt-bindings/clock/at91.h index 38b5554153c8..c3f4aa6a2d29 100644 --- a/include/dt-bindings/clock/at91.h +++ b/include/dt-bindings/clock/at91.h @@ -12,6 +12,7 @@ #define PMC_TYPE_SYSTEM 1 #define PMC_TYPE_PERIPHERAL 2 #define PMC_TYPE_GCK 3 +#define PMC_TYPE_PROGRAMMABLE 4 #define PMC_SLOW 0 #define PMC_MCK 1