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authorArnd Bergmann <arnd@arndb.de>2017-02-16 17:50:04 +0100
committerArnd Bergmann <arnd@arndb.de>2017-02-16 17:50:04 +0100
commit3e011039a3f376f246e662b0e3ffb08018e3416e (patch)
treec8269d3e684e2cf69bccf8fb8870dfdc59c9d627 /drivers/clk
parentd0f7de9258e1fa7b531f10a6bdb971a2417dfd8a (diff)
parent6b6a1867667a90f399762dc1ee6add5b4aa646c9 (diff)
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Merge tag 'amlogic-dt64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/late
Pull "Amlogic DT updates for v4.11, round 2" from Kevin Hilman: - add SAR ADC driver - add ADC laddered keys to meson-gxbb-p200 board * tag 'amlogic-dt64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic: ARM64: dts: meson-gxbb-p200: add ADC laddered keys ARM64: dts: meson: meson-gx: add the SAR ADC ARM64: dts: meson-gxl: add the pwm_ao_b pin ARM64: dts: meson-gx: add the missing pwm_AO_ab node clk: gxbb: fix CLKID_ETH defined twice ARM64: dts: meson-gxl: rename Nexbox A95x for consistency clk: gxbb: add the SAR ADC clocks and expose them dt-bindings: amlogic: Add WeTek boards ARM64: dts: meson-gxbb: Add support for WeTek Hub and Play dt-bindings: vendor-prefix: Add wetek vendor prefix ARM64: dts: meson-gxm: Rename q200 and q201 DT files for consistency ARM64: dts: meson-gx: Add HDMI HPD/DDC pinctrl nodes ARM64: dts: meson-gxbb-vega-s95: Add LED ARM64: dts: meson-gx: add the serial CTS and RTS pin groups ARM64: dts: meson-gx: add the missing uart_AO_B clk: meson-gxbb: Export HDMI clocks ARM64: dts: meson-gxm: add SCPI configuration for GXM ARM64: dts: meson-gx: move the SCPI and SRAM nodes to meson-gx
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/meson/gxbb.c48
-rw-r--r--drivers/clk/meson/gxbb.h15
2 files changed, 57 insertions, 6 deletions
diff --git a/drivers/clk/meson/gxbb.c b/drivers/clk/meson/gxbb.c
index 9d9af446bafc..1c1ec137a3cc 100644
--- a/drivers/clk/meson/gxbb.c
+++ b/drivers/clk/meson/gxbb.c
@@ -564,6 +564,46 @@ static struct clk_gate gxbb_clk81 = {
},
};
+static struct clk_mux gxbb_sar_adc_clk_sel = {
+ .reg = (void *)HHI_SAR_CLK_CNTL,
+ .mask = 0x3,
+ .shift = 9,
+ .lock = &clk_lock,
+ .hw.init = &(struct clk_init_data){
+ .name = "sar_adc_clk_sel",
+ .ops = &clk_mux_ops,
+ /* NOTE: The datasheet doesn't list the parents for bit 10 */
+ .parent_names = (const char *[]){ "xtal", "clk81", },
+ .num_parents = 2,
+ },
+};
+
+static struct clk_divider gxbb_sar_adc_clk_div = {
+ .reg = (void *)HHI_SAR_CLK_CNTL,
+ .shift = 0,
+ .width = 8,
+ .lock = &clk_lock,
+ .hw.init = &(struct clk_init_data){
+ .name = "sar_adc_clk_div",
+ .ops = &clk_divider_ops,
+ .parent_names = (const char *[]){ "sar_adc_clk_sel" },
+ .num_parents = 1,
+ },
+};
+
+static struct clk_gate gxbb_sar_adc_clk = {
+ .reg = (void *)HHI_SAR_CLK_CNTL,
+ .bit_idx = 8,
+ .lock = &clk_lock,
+ .hw.init = &(struct clk_init_data){
+ .name = "sar_adc_clk",
+ .ops = &clk_gate_ops,
+ .parent_names = (const char *[]){ "sar_adc_clk_div" },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
/* Everything Else (EE) domain gates */
static MESON_GATE(gxbb_ddr, HHI_GCLK_MPEG0, 0);
static MESON_GATE(gxbb_dos, HHI_GCLK_MPEG0, 1);
@@ -754,6 +794,9 @@ static struct clk_hw_onecell_data gxbb_hw_onecell_data = {
[CLKID_SD_EMMC_A] = &gxbb_emmc_a.hw,
[CLKID_SD_EMMC_B] = &gxbb_emmc_b.hw,
[CLKID_SD_EMMC_C] = &gxbb_emmc_c.hw,
+ [CLKID_SAR_ADC_CLK] = &gxbb_sar_adc_clk.hw,
+ [CLKID_SAR_ADC_SEL] = &gxbb_sar_adc_clk_sel.hw,
+ [CLKID_SAR_ADC_DIV] = &gxbb_sar_adc_clk_div.hw,
},
.num = NR_CLKS,
};
@@ -856,6 +899,7 @@ static struct clk_gate *gxbb_clk_gates[] = {
&gxbb_emmc_a,
&gxbb_emmc_b,
&gxbb_emmc_c,
+ &gxbb_sar_adc_clk,
};
static int gxbb_clkc_probe(struct platform_device *pdev)
@@ -888,6 +932,10 @@ static int gxbb_clkc_probe(struct platform_device *pdev)
gxbb_mpeg_clk_sel.reg = clk_base + (u64)gxbb_mpeg_clk_sel.reg;
gxbb_mpeg_clk_div.reg = clk_base + (u64)gxbb_mpeg_clk_div.reg;
+ /* Populate the base address for the SAR ADC clks */
+ gxbb_sar_adc_clk_sel.reg = clk_base + (u64)gxbb_sar_adc_clk_sel.reg;
+ gxbb_sar_adc_clk_div.reg = clk_base + (u64)gxbb_sar_adc_clk_div.reg;
+
/* Populate base address for gates */
for (i = 0; i < ARRAY_SIZE(gxbb_clk_gates); i++)
gxbb_clk_gates[i]->reg = clk_base +
diff --git a/drivers/clk/meson/gxbb.h b/drivers/clk/meson/gxbb.h
index 0252939ba58f..8ee2022ce5d5 100644
--- a/drivers/clk/meson/gxbb.h
+++ b/drivers/clk/meson/gxbb.h
@@ -191,7 +191,7 @@
#define CLKID_PERIPHS 20
#define CLKID_SPICC 21
/* CLKID_I2C */
-#define CLKID_SAR_ADC 23
+/* #define CLKID_SAR_ADC */
#define CLKID_SMART_CARD 24
#define CLKID_RNG0 25
#define CLKID_UART0 26
@@ -204,7 +204,7 @@
#define CLKID_ASSIST_MISC 33
/* CLKID_SPI */
#define CLKID_I2S_SPDIF 35
-#define CLKID_ETH 36
+/* CLKID_ETH */
#define CLKID_DEMUX 37
#define CLKID_AIU_GLUE 38
#define CLKID_IEC958 39
@@ -231,13 +231,13 @@
#define CLKID_AHB_DATA_BUS 60
#define CLKID_AHB_CTRL_BUS 61
#define CLKID_HDMI_INTR_SYNC 62
-#define CLKID_HDMI_PCLK 63
+/* CLKID_HDMI_PCLK */
/* CLKID_USB1_DDR_BRIDGE */
/* CLKID_USB0_DDR_BRIDGE */
#define CLKID_MMC_PCLK 66
#define CLKID_DVIN 67
#define CLKID_UART2 68
-#define CLKID_SANA 69
+/* #define CLKID_SANA */
#define CLKID_VPU_INTR 70
#define CLKID_SEC_AHB_AHB3_BRIDGE 71
#define CLKID_CLK81_A53 72
@@ -245,7 +245,7 @@
#define CLKID_VCLK2_VENCI1 74
#define CLKID_VCLK2_VENCP0 75
#define CLKID_VCLK2_VENCP1 76
-#define CLKID_GCLK_VENCI_INT0 77
+/* CLKID_GCLK_VENCI_INT0 */
#define CLKID_GCLK_VENCI_INT 78
#define CLKID_DAC_CLK 79
#define CLKID_AOCLK_GATE 80
@@ -265,8 +265,11 @@
/* CLKID_SD_EMMC_A */
/* CLKID_SD_EMMC_B */
/* CLKID_SD_EMMC_C */
+/* CLKID_SAR_ADC_CLK */
+/* CLKID_SAR_ADC_SEL */
+#define CLKID_SAR_ADC_DIV 99
-#define NR_CLKS 97
+#define NR_CLKS 100
/* include the CLKIDs that have been made part of the stable DT binding */
#include <dt-bindings/clock/gxbb-clkc.h>