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authorBrian Swetland <swetland@google.com>2008-09-09 11:04:14 -0700
committerBrian Swetland <swetland@google.com>2008-10-22 02:41:00 -0700
commit600f7cfebeef74a6ba961c507079e3629da5dd7a (patch)
treebac251da969e1e4d2f277793e3ba906b25b7905e /arch/arm/mach-msm/clock-7x01a.c
parentbcc0f6af0798e60e7527485f7125ed26632ce698 (diff)
[ARM] msm: clock: provide clk_*() api support for
Makes use of the proc_comm interface to provide clock control on MSM7X01A family SoCs. Signed-off-by: Brian Swetland <swetland@google.com>
Diffstat (limited to 'arch/arm/mach-msm/clock-7x01a.c')
-rw-r--r--arch/arm/mach-msm/clock-7x01a.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/arch/arm/mach-msm/clock-7x01a.c b/arch/arm/mach-msm/clock-7x01a.c
new file mode 100644
index 00000000000..62230a3428e
--- /dev/null
+++ b/arch/arm/mach-msm/clock-7x01a.c
@@ -0,0 +1,126 @@
+/* arch/arm/mach-msm/clock-7x01a.c
+ *
+ * Clock tables for MSM7X01A
+ *
+ * Copyright (C) 2007 Google, Inc.
+ * Copyright (c) 2007 QUALCOMM Incorporated
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that 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.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include "clock.h"
+#include "devices.h"
+
+/* clock IDs used by the modem processor */
+
+#define ACPU_CLK 0 /* Applications processor clock */
+#define ADM_CLK 1 /* Applications data mover clock */
+#define ADSP_CLK 2 /* ADSP clock */
+#define EBI1_CLK 3 /* External bus interface 1 clock */
+#define EBI2_CLK 4 /* External bus interface 2 clock */
+#define ECODEC_CLK 5 /* External CODEC clock */
+#define EMDH_CLK 6 /* External MDDI host clock */
+#define GP_CLK 7 /* General purpose clock */
+#define GRP_CLK 8 /* Graphics clock */
+#define I2C_CLK 9 /* I2C clock */
+#define ICODEC_RX_CLK 10 /* Internal CODEX RX clock */
+#define ICODEC_TX_CLK 11 /* Internal CODEX TX clock */
+#define IMEM_CLK 12 /* Internal graphics memory clock */
+#define MDC_CLK 13 /* MDDI client clock */
+#define MDP_CLK 14 /* Mobile display processor clock */
+#define PBUS_CLK 15 /* Peripheral bus clock */
+#define PCM_CLK 16 /* PCM clock */
+#define PMDH_CLK 17 /* Primary MDDI host clock */
+#define SDAC_CLK 18 /* Stereo DAC clock */
+#define SDC1_CLK 19 /* Secure Digital Card clocks */
+#define SDC1_PCLK 20
+#define SDC2_CLK 21
+#define SDC2_PCLK 22
+#define SDC3_CLK 23
+#define SDC3_PCLK 24
+#define SDC4_CLK 25
+#define SDC4_PCLK 26
+#define TSIF_CLK 27 /* Transport Stream Interface clocks */
+#define TSIF_REF_CLK 28
+#define TV_DAC_CLK 29 /* TV clocks */
+#define TV_ENC_CLK 30
+#define UART1_CLK 31 /* UART clocks */
+#define UART2_CLK 32
+#define UART3_CLK 33
+#define UART1DM_CLK 34
+#define UART2DM_CLK 35
+#define USB_HS_CLK 36 /* High speed USB core clock */
+#define USB_HS_PCLK 37 /* High speed USB pbus clock */
+#define USB_OTG_CLK 38 /* Full speed USB clock */
+#define VDC_CLK 39 /* Video controller clock */
+#define VFE_CLK 40 /* Camera / Video Front End clock */
+#define VFE_MDC_CLK 41 /* VFE MDDI client clock */
+
+#define NR_CLKS 42
+
+#define CLOCK(clk_name, clk_id, clk_dev, clk_flags) { \
+ .name = clk_name, \
+ .id = clk_id, \
+ .flags = clk_flags, \
+ .dev = clk_dev, \
+ }
+
+#define OFF CLKFLAG_AUTO_OFF
+#define MINMAX CLKFLAG_USE_MIN_MAX_TO_SET
+
+struct clk msm_clocks[] = {
+ CLOCK("adm_clk", ADM_CLK, NULL, 0),
+ CLOCK("adsp_clk", ADSP_CLK, NULL, 0),
+ CLOCK("ebi1_clk", EBI1_CLK, NULL, 0),
+ CLOCK("ebi2_clk", EBI2_CLK, NULL, 0),
+ CLOCK("ecodec_clk", ECODEC_CLK, NULL, 0),
+ CLOCK("emdh_clk", EMDH_CLK, NULL, OFF),
+ CLOCK("gp_clk", GP_CLK, NULL, 0),
+ CLOCK("grp_clk", GRP_CLK, NULL, OFF),
+ CLOCK("i2c_clk", I2C_CLK, &msm_device_i2c.dev, 0),
+ CLOCK("icodec_rx_clk", ICODEC_RX_CLK, NULL, 0),
+ CLOCK("icodec_tx_clk", ICODEC_TX_CLK, NULL, 0),
+ CLOCK("imem_clk", IMEM_CLK, NULL, OFF),
+ CLOCK("mdc_clk", MDC_CLK, NULL, 0),
+ CLOCK("mdp_clk", MDP_CLK, NULL, OFF),
+ CLOCK("pbus_clk", PBUS_CLK, NULL, 0),
+ CLOCK("pcm_clk", PCM_CLK, NULL, 0),
+ CLOCK("pmdh_clk", PMDH_CLK, NULL, OFF | MINMAX),
+ CLOCK("sdac_clk", SDAC_CLK, NULL, OFF),
+ CLOCK("sdc_clk", SDC1_CLK, &msm_device_sdc1.dev, OFF),
+ CLOCK("sdc_pclk", SDC1_PCLK, &msm_device_sdc1.dev, OFF),
+ CLOCK("sdc_clk", SDC2_CLK, &msm_device_sdc2.dev, OFF),
+ CLOCK("sdc_pclk", SDC2_PCLK, &msm_device_sdc2.dev, OFF),
+ CLOCK("sdc_clk", SDC3_CLK, &msm_device_sdc3.dev, OFF),
+ CLOCK("sdc_pclk", SDC3_PCLK, &msm_device_sdc3.dev, OFF),
+ CLOCK("sdc_clk", SDC4_CLK, &msm_device_sdc4.dev, OFF),
+ CLOCK("sdc_pclk", SDC4_PCLK, &msm_device_sdc4.dev, OFF),
+ CLOCK("tsif_clk", TSIF_CLK, NULL, 0),
+ CLOCK("tsif_ref_clk", TSIF_REF_CLK, NULL, 0),
+ CLOCK("tv_dac_clk", TV_DAC_CLK, NULL, 0),
+ CLOCK("tv_enc_clk", TV_ENC_CLK, NULL, 0),
+ CLOCK("uart_clk", UART1_CLK, &msm_device_uart1.dev, OFF),
+ CLOCK("uart_clk", UART2_CLK, &msm_device_uart2.dev, 0),
+ CLOCK("uart_clk", UART3_CLK, &msm_device_uart3.dev, OFF),
+ CLOCK("uart1dm_clk", UART1DM_CLK, NULL, OFF),
+ CLOCK("uart2dm_clk", UART2DM_CLK, NULL, 0),
+ CLOCK("usb_hs_clk", USB_HS_CLK, &msm_device_hsusb.dev, OFF),
+ CLOCK("usb_hs_pclk", USB_HS_PCLK, &msm_device_hsusb.dev, OFF),
+ CLOCK("usb_otg_clk", USB_OTG_CLK, NULL, 0),
+ CLOCK("vdc_clk", VDC_CLK, NULL, OFF | MINMAX),
+ CLOCK("vfe_clk", VFE_CLK, NULL, OFF),
+ CLOCK("vfe_mdc_clk", VFE_MDC_CLK, NULL, OFF),
+};
+
+unsigned msm_num_clocks = ARRAY_SIZE(msm_clocks);