Re: [PATCH v4 19/20] clk: tegra210: add support for Tegra210 clocks

[Jim Lin <jilin@nvidia.com>]

On 05/05/2015 12:37 AM, Rhyland Klein wrote:
> diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c
> new file mode 100644
> index 000000000000..07382a473e22
> --- /dev/null
> +++ b/drivers/clk/tegra/clk-tegra210.c
> @@ -0,0 +1,2761 @@
> +/*
> + * Copyright (c) 2012-2014 NVIDIA CORPORATION.  All rights reserved.
> + *
> + * This program is free software; you can redistribute it and/or modify it
> + * under the terms and conditions of the GNU General Public License,
> + * version 2, as published by the Free Software Foundation.
> + *
> + * This program is distributed in the hope it will be useful, but WITHOUT
> + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
> + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
> + * more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program.  If not, see <http://www.gnu.org/licenses/>.
> + */
> +
> +#include <linux/io.h>
> +#include <linux/clk.h>
> +#include <linux/clk-provider.h>
> +#include <linux/clkdev.h>
> +#include <linux/of.h>
> +#include <linux/of_address.h>
> +#include <linux/delay.h>
> +#include <linux/export.h>
> +#include <linux/clk/tegra.h>
> +#include <dt-bindings/clock/tegra210-car.h>
> +
> +#include "clk.h"
> +#include "clk-id.h"
> +
> +/*
> + * TEGRA210_CAR_BANK_COUNT: the number of peripheral clock register
> + * banks present in the Tegra210 CAR IP block.  The banks are
> + * identified by single letters, e.g.: L, H, U, V, W, X, Y.  See
> + * periph_regs[] in drivers/clk/tegra/clk.c
> + */
> +#define TEGRA210_CAR_BANK_COUNT			7
> +
> +#define CLK_SOURCE_CSITE 0x1d4
> +#define CLK_SOURCE_EMC 0x19c
> +
> +#define PLLC_BASE 0x80
> +#define PLLC_OUT 0x84
> +#define PLLC_MISC0 0x88
> +#define PLLC_MISC1 0x8c
> +#define PLLC_MISC2 0x5d0
> +#define PLLC_MISC3 0x5d4
> +
> +#define PLLC2_BASE 0x4e8
> +#define PLLC2_MISC0 0x4ec
> +#define PLLC2_MISC1 0x4f0
> +#define PLLC2_MISC2 0x4f4
> +#define PLLC2_MISC3 0x4f8
> +
> +#define PLLC3_BASE 0x4fc
> +#define PLLC3_MISC0 0x500
> +#define PLLC3_MISC1 0x504
> +#define PLLC3_MISC2 0x508
> +#define PLLC3_MISC3 0x50c
> +
> +#define PLLM_BASE 0x90
> +#define PLLM_MISC0 0x9c
> +#define PLLM_MISC1 0x98
> +#define PLLP_BASE 0xa0
> +#define PLLP_MISC0 0xac
> +#define PLLP_MISC1 0x680
> +#define PLLA_BASE 0xb0
> +#define PLLA_MISC0 0xbc
> +#define PLLA_MISC1 0xb8
> +#define PLLA_MISC2 0x5d8
> +#define PLLD_BASE 0xd0
> +#define PLLD_MISC0 0xdc
> +#define PLLD_MISC1 0xd8
> +#define PLLU_BASE 0xc0
> +#define PLLU_OUTA 0xc4
> +#define PLLU_MISC0 0xcc
> +#define PLLU_MISC1 0xc8
> +#define PLLX_BASE 0xe0
> +#define PLLX_MISC0 0xe4
> +#define PLLX_MISC1 0x510
> +#define PLLX_MISC2 0x514
> +#define PLLX_MISC3 0x518
> +#define PLLX_MISC4 0x5f0
> +#define PLLX_MISC5 0x5f4
> +#define PLLE_BASE 0xe8
> +#define PLLE_MISC0 0xec
> +#define PLLD2_BASE 0x4b8
> +#define PLLD2_MISC0 0x4bc
> +#define PLLD2_MISC1 0x570
> +#define PLLD2_MISC2 0x574
> +#define PLLD2_MISC3 0x578
> +#define PLLE_AUX 0x48c
> +#define PLLRE_BASE 0x4c4
> +#define PLLRE_MISC0 0x4c8
> +#define PLLDP_BASE 0x590
> +#define PLLDP_MISC 0x594
> +
> +#define PLLC4_BASE 0x5a4
> +#define PLLC4_MISC0 0x5a8
> +#define PLLC4_OUT 0x5e4
> +#define PLLMB_BASE 0x5e8
> +#define PLLMB_MISC0 0x5ec
> +#define PLLA1_BASE 0x6a4
> +#define PLLA1_MISC0 0x6a8
> +#define PLLA1_MISC1 0x6ac
> +#define PLLA1_MISC2 0x6b0
> +#define PLLA1_MISC3 0x6b4
> +
> +#define PLLU_IDDQ_BIT 31
> +#define PLLCX_IDDQ_BIT 27
> +#define PLLRE_IDDQ_BIT 24
> +#define PLLA_IDDQ_BIT 25
> +#define PLLD_IDDQ_BIT 20
> +#define PLLSS_IDDQ_BIT 18
> +#define PLLM_IDDQ_BIT 5
> +#define PLLMB_IDDQ_BIT 17
> +#define PLLXP_IDDQ_BIT 3
> +
> +#define PLLCX_RESET_BIT 30
> +
> +#define PLL_BASE_LOCK BIT(27)
> +#define PLLCX_BASE_LOCK BIT(26)
> +#define PLLE_MISC_LOCK BIT(11)
> +#define PLLRE_MISC_LOCK BIT(27)
> +
> +#define PLL_MISC_LOCK_ENABLE 18
> +#define PLLC_MISC_LOCK_ENABLE 24
> +#define PLLDU_MISC_LOCK_ENABLE 22
> +#define PLLU_MISC_LOCK_ENABLE 29
> +#define PLLE_MISC_LOCK_ENABLE 9
> +#define PLLRE_MISC_LOCK_ENABLE 30
> +#define PLLSS_MISC_LOCK_ENABLE 30
> +#define PLLP_MISC_LOCK_ENABLE 18
> +#define PLLM_MISC_LOCK_ENABLE 4
> +#define PLLMB_MISC_LOCK_ENABLE 16
> +#define PLLA_MISC_LOCK_ENABLE 28
> +#define PLLU_MISC_LOCK_ENABLE 29
> +#define PLLD_MISC_LOCK_ENABLE 18
> +
> +#define PLLA_SDM_DIN_MASK 0xffff
> +#define PLLA_SDM_EN_MASK BIT(26)
> +
> +#define PLLD_SDM_EN_MASK BIT(16)
> +
> +#define PLLD2_SDM_EN_MASK BIT(31)
> +#define PLLD2_SSC_EN_MASK BIT(30)
> +
> +#define PLLDP_SS_CFG	0x598
> +#define PLLDP_SDM_EN_MASK BIT(31)
> +#define PLLDP_SSC_EN_MASK BIT(30)
> +#define PLLDP_SS_CTRL1	0x59c
> +#define PLLDP_SS_CTRL2	0x5a0
> +
> +#define PMC_PLLM_WB0_OVERRIDE 0x1dc
> +#define PMC_PLLM_WB0_OVERRIDE_2 0x2b0
> +
> +#define UTMIP_PLL_CFG2 0x488
> +#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xffff) << 6)
This line should be corrected as

+#define UTMIP_PLL_CFG2_STABLE_COUNT(x) (((x) & 0xfff) << 6)

STABLE_COUNT has 12 bits.

> +#define UTMIP_PLL_CFG2_ACTIVE_DLY_COUNT(x) (((x) & 0x3f) << 18)
> +#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_A_POWERDOWN BIT(0)
> +#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_B_POWERDOWN BIT(2)
> +#define UTMIP_PLL_CFG2_FORCE_PD_SAMP_C_POWERDOWN BIT(4)
> +
> +#define UTMIP_PLL_CFG1 0x484
> +#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 6)
This line should be corrected as

+#define UTMIP_PLL_CFG1_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)

ENABLE_DLY_COUNT starts from bit 27.



--nvpublic