From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753117Ab2L0Ost (ORCPT ); Thu, 27 Dec 2012 09:48:49 -0500 Received: from hqemgate04.nvidia.com ([216.228.121.35]:9151 "EHLO hqemgate04.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752926Ab2L0Osq (ORCPT ); Thu, 27 Dec 2012 09:48:46 -0500 X-PGP-Universal: processed; by hqnvupgp06.nvidia.com on Thu, 27 Dec 2012 06:46:28 -0800 From: Prashant Gaikwad To: , CC: , , , Prashant Gaikwad Subject: [PATCH v2 09/11] clk: tegra: add dt support Date: Thu, 27 Dec 2012 20:17:22 +0530 Message-ID: <1356619644-18565-10-git-send-email-pgaikwad@nvidia.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1356619644-18565-1-git-send-email-pgaikwad@nvidia.com> References: <1356619644-18565-1-git-send-email-pgaikwad@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support to initialize clock from DT. Signed-off-by: Prashant Gaikwad --- drivers/clk/tegra/clk.c | 23 +++++++++++++++++++++++ drivers/clk/tegra/clk.h | 2 ++ include/linux/clk/tegra.h | 1 + 3 files changed, 26 insertions(+), 0 deletions(-) diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c index cf023a9..314d5bd 100644 --- a/drivers/clk/tegra/clk.c +++ b/drivers/clk/tegra/clk.c @@ -67,3 +67,26 @@ void __init tegra_init_from_table(struct tegra_clk_init_table *tbl, } } } + +static const struct of_device_id tegra_dt_clk_match[] = { + { .compatible = "nvidia,tegra20-car", .data = tegra20_clock_init }, + { .compatible = "nvidia,tegra30-car", .data = tegra30_clock_init }, + { } +}; + +void __init tegra_dt_init_clk(void) +{ + struct device_node *np; + const struct of_device_id *match; + of_tegra_clk_init_func_t clk_init_func; + + np = of_find_matching_node(NULL, tegra_dt_clk_match); + if (!np) + return; + + match = of_match_node(tegra_dt_clk_match, np); + + clk_init_func = match->data; + + clk_init_func(np); +} diff --git a/drivers/clk/tegra/clk.h b/drivers/clk/tegra/clk.h index f1ed1d0..ca1f0e4 100644 --- a/drivers/clk/tegra/clk.h +++ b/drivers/clk/tegra/clk.h @@ -20,6 +20,8 @@ #include #include +typedef void (*of_tegra_clk_init_func_t)(struct device_node *); + /** * struct tegra_clk_sync_source - external clock source from codec * diff --git a/include/linux/clk/tegra.h b/include/linux/clk/tegra.h index 0977f2a..a97e241 100644 --- a/include/linux/clk/tegra.h +++ b/include/linux/clk/tegra.h @@ -118,6 +118,7 @@ static inline void tegra_cpu_clock_resume(void) } #endif +void tegra_dt_init_clk(void); void tegra20_cpu_car_ops_init(void); void tegra30_cpu_car_ops_init(void); -- 1.7.4.1